#!/bin/sh
-FILES=`find . -name ChangeLog`
+FILES=`find . -name ChangeLog -print`
header=/tmp/revheader
--- /dev/null
+#!/bin/sh
+
+find . -type f \! -name \*~ \! -exec grep -q Begin-Header \{\} \; -print \
+ | grep -v ^./build
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Wed Jan 15 11:37:36 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * config.sub (basic_machine): Added i686-* as another name for the
+ Pentium Pro.
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Mon Oct 7 08:22:31 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* Makefile.in (all): Don't run "make check" by default. User
1) Install this tar file using the following command:
- gunzip < e2fsprogs-1.04-dllbin.tar.gz | (cd /; tar xvf - )
+ gunzip < e2fsprogs-1.04-dllbin.tar.gz | (cd /; tar Sxvpf - )
2) Run ldconfig to update the shared library pointers.
1) Install this tar file using the following command:
- gunzip < e2fsprogs-1.04-elfbin.tar.gz | (cd /; tar xvf - )
+ gunzip < e2fsprogs-1.04-elfbin.tar.gz | (cd /; tar Sxvpf - )
2) Run ldconfig to update the shared library pointers.
man8dir = $(usr_prefix)/man/man8
cat1dir = $(usr_prefix)/man/cat1
cat8dir = $(usr_prefix)/man/cat8
+infodir = $(usr_prefix)/info
@SET_MAKE@
@MCONFIG@
LIB_SUBDIRS=lib/et lib/ss lib/ext2fs lib/e2p lib/uuid
-PROG_SUBDIRS=e2fsck debugfs misc
+PROG_SUBDIRS=e2fsck debugfs misc tests/progs
SUBDIRS=$(LIB_SUBDIRS) $(PROG_SUBDIRS) tests
SUBS= include/linux/types.h
-all:: $(SUBS) libs progs
+TAR=tar
+
+all:: $(SUBS) libs progs docs
progs: $(SUBS) all-progs-recursive
libs: $(SUBS) all-libs-recursive
+docs:
+ (cd doc; make libext2fs.info)
+
+install-doc-libs:
+ (cd doc; make install-doc-libs)
+
install: all-libs-recursive install-progs-recursive \
- install-shlibs-libs-recursive
+ install-shlibs-libs-recursive install-doc-libs
(export MANPATH=$(DESTDIR)$(mandir); $(srcdir)/install-utils/compile_manpages)
install-libs: install-libs-recursive
$(RM) -f \#* *~ core MAKELOG
clean-local: mostlyclean-local
distclean-local: clean-local
- $(RM) -f include/linux/types.h
+ $(RM) -f include/linux/types.h $(SUBSTITUTE)
$(RM) -f config.status config.log config.cache MCONFIG Makefile
realclean-local: distclean-local
$(RM) -f configure
cd ..
cp -r $(srcdir)/README $(srcdir)/install-utils /tmp/dest
cp $(srcdir)/INSTALL.@BINARY_TYPE@ /tmp/dest/INSTALL
- (cd /tmp/dest; tar cf - . ) | gzip -9 \
+ (cd /tmp/dest; $(TAR) cf - . ) | gzip -9 \
> e2fsprogs-@E2FSPROGS_VERSION@-@BINARY_TYPE@.tar.gz
SRCROOT = `echo e2fsprogs-@E2FSPROGS_VERSION@ | sed -e 's/-WIP//'`
(cd $(srcdir)/.. ; find $(SRCROOT) \( -name \*~ -o -name \*.orig \
-o -name \*.rej \) -print > $(SRCROOT)/.exclude-file)
echo "$(SRCROOT)/build" >> $(srcdir)/.exclude-file
- echo "$(SRCROOT)/todo" >> $(srcdir)/.exclude-file
+ echo "$(SRCROOT)/rpm.log" >> $(srcdir)/.exclude-file
echo "$(SRCROOT)/.exclude-file" >> $(srcdir)/.exclude-file
echo $(SRCROOT)/e2fsprogs-@E2FSPROGS_VERSION@.tar.gz \
>> $(srcdir)/.exclude-file
source_tar_file: $(srcdir)/.exclude-file
- (cd $(srcdir) ; tar -C .. -c -v -f - \
+ (cd $(srcdir) ; $(TAR) -C .. -c -v -f - \
-X .exclude-file $(SRCROOT) | \
gzip -9 > e2fsprogs-@E2FSPROGS_VERSION@.tar.gz)
rm -f $(srcdir)/.exclude-file
- This is the new version (1.05) of the second extended file system
-management programs, otherwise known as the Monomonac Release.
+ This is the new version (1.07) of the second extended file system
+management programs.
See the file INSTALL for installation instructions. This is
important! Note that your /etc/fstab file may need modifying before
+E2fsprogs 1.07 (March 9, 1997)
+==============================
+
+E2fsck is now uses much less memory when checking really large
+filesystems (or rather, filesystems with a large number of inodes).
+Previously a filesystem with 1 million inodes required 4 megabytes of
+memory to store inode count statistics; that storage requirement has
+now been reduced to roughly half a megabyte.
+
+E2fsck can now properly deal with bad blocks appearing inside the
+inode table. Instead of trying to relocate the inode table (which
+often failed because there wasn't enough space), the inodes in the bad
+block are marked as in use.
+
+E2fsck will automatically try to use the backup superblocks if the
+primary superblocks have a bad magic number or have missing meta-data
+blocks (or meta-data blocks which are out of range).
+
+E2fsck's pass 3 has been made more efficient; most noticeable on
+filesystems with a very large number of directories.
+
+Completely revamped e2fsck's system of printing problem reports. It
+is now table driven, to make them more easily customizeable and
+extendable. Error messages which can be printed out during preen mode
+are now one line long.
+
+Fixed e2fsck's filesystem swapping code so that it won't try to swap
+fast symbolic links or deleted files.
+
+Fixed e2fsck core dumping when fixing a filesystem which has no
+directories (not even a root directory).
+
+Added a check to e2fsck to make sure that the length of every
+directory entry is a multiple of 4 (since the kernel complains if it
+isn't).
+
+Added a check to e2fsck to make sure that a directory entry isn't a
+link to the root directory, since that isn't allowed.
+
+Added a check to e2fsk to now make sure the '.' and '..' directory
+entries are null terminated, since the 2.0 kernel requires it.
+
+Added check to write_bitmaps() to make sure the superblock doesn't get
+trashed if the inode or block bitmap is marked as being block zero.
+
+Added checking of the new feature set fields in the superblock, to
+avoid dealing with new filesystem features that this package wasn't
+set up to handle.
+
+Fixed a fencepost error in ext2fs_new_block() which would occasionally
+try to allocate a block beyond the end of a filesystem.
+
+When the UUID library picks a random IEEE 802 address (because it
+can't find one from a network card), it sets the multicast bit, to
+avoid conflicting with a legitimate IEEE 802 address.
+
+Mke2fs now sets the root directory's owner to be the real uid of the
+user running mke2fs. If the real uid is non-zero, it also sets
+the group ownership of the root directory to be the real group-id of
+the user running mke2fs.
+
+Mke2fs now has more intelligent error checking when it is given a
+non-existent device.
+
+When badblocks is given the -vv option, it now updates the block that
+it is currently testing on every block.
+
+Fixed a bug in fsck where it wouldn't modify the PATH envirnoment
+currently correctly if PATH wasn't already set.
+
+Shared libraries now built with dependencies. This allows the shared
+library files to be used with dlopen(); it also makes the transition
+to libc 6 easier, since ld.so can tell which libc a particular shared
+library expects to use.
+
+Programmer's notes:
+-------------------
+
+Added new abstraction (defined in dblist.c) for maintaining a list of
+blocks which belongs to directories. This is used in e2fsck and other
+programs which need to iterate over all directories.
+
+Added new functions which test to see if a contiguous range of blocks
+(or inodes) are available. (ext2fs_*_bitmap_range).
+
+Added new function (ext2_inode_has_valid_blocks) which returns true if
+an inode has valid blocks. (moved from e2fsck code).
+
+Added new function (ext2fs_allocate_tables) which allocates the
+meta-data blocks as part of initializing a filesystem. (moved from
+mke2fs code).
+
+Added a new I/O manager for testing purposes. It will either allow a
+program to intercept I/O requests, or print debugging messages to
+trace the activity of a program using the I/O manager.
+
+The badblocks_list functions now store the bad blocks in a sorted
+order, and use a binary search to speed up badblocks_list_test.
+
+The inode scan function ext2fs_get_next_inode() may now return a soft
+error returns: MISSING_INODE_TABLE and BAD_BLOCK_IN_INODE_TABLE in
+those cases where part of an inode table is missing or there is a bad
+block in the inode table.
+
+Added a new function (ext2fs_block_iterate2) which adds new arguments to
+the callback function to return a pointer (block and offset) to the
+reference of the block.
+
+Added new function (ext2fs_inode_scan_goto_blockgroup) which allows an
+application to jump to a particular block group while doing an inode
+scan.
+
+The badblocks list functions were renamed from badblocks_* to
+ext2fs_badblocks_*. Backwards compatibility functions are available
+for now, but programs should be modified to use the new interface.
+
+Some of the library functions were reorganized into separate files to
+reduce the size of some programs which statically link against the
+ext2 library.
+
+Put in some miscellaneous fixes for the Alpha platform.
+
E2fsprogs 1.06 (October 7, 1996)
================================
Email: tytso@mit.edu
Start: 0x66980000
End: 0x669fffff
+
+Library:libuuid.so
+Description: DCE Universally Unique ID (UUID) library
+Maintainer: Theodore Ts'o
+Email: tytso@mit.edu
+Start: 0x67900000
+End: 0x679fffff
+
# We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
basic_machine=i586-intel
;;
- pentium-* | p5-* | p6-*)
+ pentium-* | p5-* | p6-* | i686-* )
# We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium
basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
;;
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.4
-# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+# Generated automatically using autoconf version 2.12
+# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
verbose=
x_includes=NONE
x_libraries=NONE
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
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+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+libdir='${exec_prefix}/lib'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+infodir='${prefix}/info'
+mandir='${prefix}/man'
# Initialize some other variables.
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ac_prev=
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Host type:
--build=BUILD configure for building on BUILD [BUILD=HOST]
--host=HOST configure for HOST [guessed]
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exit 0 ;;
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fi
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# Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
fi
echo $ac_n "checking host system type""... $ac_c" 1>&6
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host_alias=$host
case "$host_alias" in
esac
host=`$ac_config_sub $host_alias`
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echo "$ac_t""$host" 1>&6
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echo "$ac_t""CC=$withval" 1>&6
CC=$withval
else
export CC
# Check whether --with-linker or --without-linker was given.
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-if test -n "$withval"; then
+if test "${with_linker+set}" = set; then
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echo "$ac_t""LD=$withval" 1>&6
LD=$withval
else
export LD
# Check whether --with-ccopts or --without-ccopts was given.
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-if test -n "$withval"; then
+if test "${with_ccopts+set}" = set; then
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echo "$ac_t""CCOPTS is $withval" 1>&6
CCOPTS=$withval
CFLAGS="$CFLAGS $withval"
STATIC_LIB_EXT=.a
PROFILE_LIB_EXT=.a
# Check whether --with-ldopts or --without-ldopts was given.
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echo "$ac_t""LDFLAGS is $withval" 1>&6
LDFLAGS=$withval
else
fi
# Check whether --with-usr-prefix or --without-usr-prefix was given.
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+ withval="$with_usr_prefix"
usr_prefix=$withval
else
usr_prefix=NONE
fi
# Check whether --enable-dll-shlibs or --disable-dll-shlibs was given.
-enableval="$enable_dll_shlibs"
-if test -n "$enableval"; then
+if test "${enable_dll_shlibs+set}" = set; then
+ enableval="$enable_dll_shlibs"
if test "$enableval" = "no"
then
DLL_CMT=#
# Check whether --enable-elf-shlibs or --disable-elf-shlibs was given.
-enableval="$enable_elf_shlibs"
-if test -n "$enableval"; then
+if test "${enable_elf_shlibs+set}" = set; then
+ enableval="$enable_elf_shlibs"
if test "$enableval" = "no"
then
ELF_CMT=#
# Check whether --enable-bsd-shlibs or --disable-bsd-shlibs was given.
-enableval="$enable_bsd_shlibs"
-if test -n "$enableval"; then
+if test "${enable_bsd_shlibs+set}" = set; then
+ enableval="$enable_bsd_shlibs"
if test "$enableval" = "no"
then
BSDLIB_CMT=#
# Check whether --enable-profile or --disable-profile was given.
-enableval="$enable_profile"
-if test -n "$enableval"; then
+if test "${enable_profile+set}" = set; then
+ enableval="$enable_profile"
if test "$enableval" = "no"
then
PROFILE_CMT=#
# Check whether --enable-checker or --disable-checker was given.
-enableval="$enable_checker"
-if test -n "$enableval"; then
+if test "${enable_checker+set}" = set; then
+ enableval="$enable_checker"
if test "$enableval" = "no"
then
CHECKER_CMT=#
# Check whether --enable-gcc-wall or --disable-gcc-wall was given.
-enableval="$enable_gcc_wall"
-if test -n "$enableval"; then
+if test "${enable_gcc_wall+set}" = set; then
+ enableval="$enable_gcc_wall"
if test "$enableval" = "no"
then
W=#
# Check whether --enable-dynamic-e2fsck or --disable-dynamic-e2fsck was given.
-enableval="$enable_dynamic_e2fsck"
-if test -n "$enableval"; then
+if test "${enable_dynamic_e2fsck+set}" = set; then
+ enableval="$enable_dynamic_e2fsck"
if test "$enableval" = "no"
then
E2FSCK_TYPE=static
# Check whether --enable-fsck or --disable-fsck was given.
-enableval="$enable_fsck"
-if test -n "$enableval"; then
+if test "${enable_fsck+set}" = set; then
+ enableval="$enable_fsck"
if test "$enableval" = "no"
then
FSCK_PROG='' FSCK_MAN=''
MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
# Check whether --enable-old-bitops or --disable-old-bitops was given.
-enableval="$enable_old_bitops"
-if test -n "$enableval"; then
+if test "${enable_old_bitops+set}" = set; then
+ enableval="$enable_old_bitops"
if test "$enableval" = "no"
then
echo "Using new (standard) bitmask operations"
echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-set dummy ${MAKE-make}; ac_make=$2
+echo "configure:899: checking whether ${MAKE-make} sets \${MAKE}" >&5
+set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ln", so it can be a program name with args.
set dummy ln; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:928: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_LN'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
+echo "configure:958: checking whether ln -s works" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "mv", so it can be a program name with args.
set dummy mv; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:981: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_MV'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "cp", so it can be a program name with args.
set dummy cp; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1013: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_CP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "rm", so it can be a program name with args.
set dummy rm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1045: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_RM'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "chmod", so it can be a program name with args.
set dummy chmod; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1077: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_CHMOD'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "awk", so it can be a program name with args.
set dummy awk; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1109: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_AWK'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "sed", so it can be a program name with args.
set dummy sed; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1141: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_SED'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:1171: checking build system type" >&5
build_alias=$build
case "$build_alias" in
esac
build=`$ac_config_sub $build_alias`
-build_cpu=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
-build_vendor=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
-build_os=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
echo "$ac_t""$build" 1>&6
if test $host != $build; then
# Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
set dummy ${ac_tool_prefix}ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1197: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1228: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ac_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1262: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1293: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
set dummy ${ac_tool_prefix}strip; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1327: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "strip", so it can be a program name with args.
set dummy strip; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1358: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1392: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
done
IFS="$ac_save_ifs"
- test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
fi
fi
CC="$ac_cv_prog_CC"
echo "$ac_t""no" 1>&6
fi
+if test -z "$CC"; then
+ # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1421: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+ ac_prog_rejected=no
+ for ac_dir in $PATH; do
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/$ac_word; then
+ if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+ ac_prog_rejected=yes
+ continue
+ fi
+ ac_cv_prog_CC="cc"
+ break
+ fi
+ done
+ IFS="$ac_save_ifs"
+if test $ac_prog_rejected = yes; then
+ # We found a bogon in the path, so make sure we never use it.
+ set dummy $ac_cv_prog_CC
+ shift
+ if test $# -gt 0; then
+ # We chose a different compiler from the bogus one.
+ # However, it has the same basename, so the bogon will be chosen
+ # first if we set CC to just the basename; use the full file name.
+ shift
+ set dummy "$ac_dir/$ac_word" "$@"
+ shift
+ ac_cv_prog_CC="$@"
+ fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+ echo "$ac_t""$CC" 1>&6
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:1469: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+cat > conftest.$ac_ext <<EOF
+#line 1479 "configure"
+#include "confdefs.h"
+main(){return(0);}
+EOF
+if { (eval echo configure:1483: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+ ac_cv_prog_cc_works=yes
+ # If we can't run a trivial program, we are probably using a cross compiler.
+ if (./conftest; exit) 2>/dev/null; then
+ ac_cv_prog_cc_cross=no
+ else
+ ac_cv_prog_cc_cross=yes
+ fi
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ ac_cv_prog_cc_works=no
+fi
+rm -fr conftest*
+
+echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
+if test $ac_cv_prog_cc_works = no; then
+ { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
+fi
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:1503: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
+cross_compiling=$ac_cv_prog_cc_cross
echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+echo "configure:1508: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
yes;
#endif
EOF
-if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1517: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
fi
fi
+
echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+
if test $ac_cv_prog_gcc = yes; then
GCC=yes
- if test "${CFLAGS+set}" != set; then
- echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_prog_gcc_g'+set}'`\" = set"; then
+ ac_test_CFLAGS="${CFLAGS+set}"
+ ac_save_CFLAGS="$CFLAGS"
+ CFLAGS=
+ echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:1532: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
- ac_cv_prog_gcc_g=yes
+ ac_cv_prog_cc_g=yes
else
- ac_cv_prog_gcc_g=no
+ ac_cv_prog_cc_g=no
fi
rm -f conftest*
fi
- echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
- if test $ac_cv_prog_gcc_g = yes; then
- CFLAGS="-g -O"
- else
- CFLAGS="-O"
- fi
+
+echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+ if test "$ac_test_CFLAGS" = set; then
+ CFLAGS="$ac_save_CFLAGS"
+ elif test $ac_cv_prog_cc_g = yes; then
+ CFLAGS="-g -O2"
+ else
+ CFLAGS="-O2"
fi
else
GCC=
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
+echo "configure:1570: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+ IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
# Account for people who put trailing slashes in PATH elements.
case "$ac_dir/" in
;;
esac
done
- IFS="$ac_save_ifs"
- # As a last resort, use the slow shell script.
- test -z "$ac_cv_path_install" && ac_cv_path_install="$ac_install_sh"
+ IFS="$ac_save_IFS"
+
fi
- INSTALL="$ac_cv_path_install"
+ if test "${ac_cv_path_install+set}" = set; then
+ INSTALL="$ac_cv_path_install"
+ else
+ # As a last resort, use the slow shell script. We don't cache a
+ # path for INSTALL within a source directory, because that will
+ # break other packages using the cache if that directory is
+ # removed, or if the path is relative.
+ INSTALL="$ac_install_sh"
+ fi
fi
echo "$ac_t""$INSTALL" 1>&6
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-# If we cannot run a trivial program, we must be cross compiling.
-echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test "$cross_compiling" = yes; then
- ac_cv_c_cross=yes
-else
-cat > conftest.$ac_ext <<EOF
-#line 1386 "configure"
-#include "confdefs.h"
-main(){return(0);}
-EOF
-eval $ac_link
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
- ac_cv_c_cross=no
-else
- ac_cv_c_cross=yes
-fi
-fi
-rm -fr conftest*
-fi
-cross_compiling=$ac_cv_c_cross
-echo "$ac_t""$ac_cv_c_cross" 1>&6
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+echo "configure:1621: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
-#line 1417 "configure"
+#line 1636 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
-eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1642: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
:
else
echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
-#line 1431 "configure"
+#line 1653 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
-eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1659: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
:
else
echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
CPP=/lib/cpp
fi
for ac_hdr in stdlib.h unistd.h stdarg.h errno.h mntent.h dirent.h getopt.h linux/fd.h linux/major.h sys/disklabel.h sys/sockio.h net/if.h netinet/in.h
do
-ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:1685: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1464 "configure"
+#line 1690 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
-eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1695: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
eval "ac_cv_header_$ac_safe=yes"
else
echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_header_$ac_safe=no"
fi
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&6
- ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
+ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
done
echo $ac_n "checking for vprintf""... $ac_c" 1>&6
+echo "configure:1722: checking for vprintf" >&5
if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1497 "configure"
+#line 1727 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char vprintf(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
-char vprintf();
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char vprintf();
-int main() { return 0; }
-int t() {
+int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
; return 0; }
EOF
-if eval $ac_link; then
+if { (eval echo configure:1750: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_vprintf=yes"
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_func_vprintf=no"
fi
rm -f conftest*
-
fi
+
if eval "test \"`echo '$ac_cv_func_'vprintf`\" = yes"; then
echo "$ac_t""yes" 1>&6
cat >> confdefs.h <<\EOF
if test "$ac_cv_func_vprintf" != yes; then
echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
+echo "configure:1774: checking for _doprnt" >&5
if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1545 "configure"
+#line 1779 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char _doprnt(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
-char _doprnt();
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char _doprnt();
-int main() { return 0; }
-int t() {
+int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
; return 0; }
EOF
-if eval $ac_link; then
+if { (eval echo configure:1802: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func__doprnt=yes"
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_func__doprnt=no"
fi
rm -f conftest*
-
fi
+
if eval "test \"`echo '$ac_cv_func_'_doprnt`\" = yes"; then
echo "$ac_t""yes" 1>&6
cat >> confdefs.h <<\EOF
fi
echo $ac_n "checking whether struct dirent has a d_namlen field""... $ac_c" 1>&6
+echo "configure:1827: checking whether struct dirent has a d_namlen field" >&5
if eval "test \"`echo '$''{'e2fsprogs_cv_struct_d_namlen'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1594 "configure"
+#line 1832 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <dirent.h>
-int main() { return 0; }
-int t() {
+int main() {
struct dirent de; de.d_namlen = 0;
; return 0; }
EOF
-if eval $ac_compile; then
+if { (eval echo configure:1840: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
e2fsprogs_cv_struct_d_namlen=yes
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
e2fsprogs_cv_struct_d_namlen=no
fi
rm -f conftest*
-
fi
echo "$ac_t""$e2fsprogs_cv_struct_d_namlen" 1>&6
echo "configure: warning: Cross-compiling, so cannot check type sizes; assuming short=2, int=4, long=4" 1>&2
fi
echo $ac_n "checking size of short""... $ac_c" 1>&6
+echo "configure:1868: checking size of short" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
-cat > conftest.$ac_ext <<EOF
-#line 1637 "configure"
+ cat > conftest.$ac_ext <<EOF
+#line 1876 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
exit(0);
}
EOF
-eval $ac_link
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
+if { (eval echo configure:1887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
ac_cv_sizeof_short=`cat conftestval`
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
ac_cv_sizeof_short=0
fi
-fi
rm -fr conftest*
fi
+
+fi
echo "$ac_t""$ac_cv_sizeof_short" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_SHORT $ac_cv_sizeof_short
echo $ac_n "checking size of int""... $ac_c" 1>&6
+echo "configure:1907: checking size of int" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
-cat > conftest.$ac_ext <<EOF
-#line 1671 "configure"
+ cat > conftest.$ac_ext <<EOF
+#line 1915 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
exit(0);
}
EOF
-eval $ac_link
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
+if { (eval echo configure:1926: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
ac_cv_sizeof_int=`cat conftestval`
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
ac_cv_sizeof_int=0
fi
-fi
rm -fr conftest*
fi
+
+fi
echo "$ac_t""$ac_cv_sizeof_int" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_INT $ac_cv_sizeof_int
echo $ac_n "checking size of long""... $ac_c" 1>&6
+echo "configure:1946: checking size of long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
-cat > conftest.$ac_ext <<EOF
-#line 1705 "configure"
+ cat > conftest.$ac_ext <<EOF
+#line 1954 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
exit(0);
}
EOF
-eval $ac_link
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
+if { (eval echo configure:1965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
ac_cv_sizeof_long=`cat conftestval`
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
ac_cv_sizeof_long=0
fi
-fi
rm -fr conftest*
fi
+
+fi
echo "$ac_t""$ac_cv_sizeof_long" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_LONG $ac_cv_sizeof_long
echo $ac_n "checking size of long long""... $ac_c" 1>&6
+echo "configure:1985: checking size of long long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
-cat > conftest.$ac_ext <<EOF
-#line 1739 "configure"
+ cat > conftest.$ac_ext <<EOF
+#line 1993 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
exit(0);
}
EOF
-eval $ac_link
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
+if { (eval echo configure:2004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
ac_cv_sizeof_long_long=`cat conftestval`
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
ac_cv_sizeof_long_long=0
fi
-fi
rm -fr conftest*
fi
+
+fi
echo "$ac_t""$ac_cv_sizeof_long_long" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long
echo $ac_n "checking whether struct stat has a st_flags field""... $ac_c" 1>&6
+echo "configure:2032: checking whether struct stat has a st_flags field" >&5
if eval "test \"`echo '$''{'e2fsprogs_cv_struct_st_flags'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1778 "configure"
+#line 2037 "configure"
#include "confdefs.h"
#include <sys/stat.h>
-int main() { return 0; }
-int t() {
+int main() {
struct stat stat; stat.st_flags = 0;
; return 0; }
EOF
-if eval $ac_compile; then
+if { (eval echo configure:2044: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
e2fsprogs_cv_struct_st_flags=yes
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
e2fsprogs_cv_struct_st_flags=no
fi
rm -f conftest*
-
fi
echo "$ac_t""$e2fsprogs_cv_struct_st_flags" 1>&6
for ac_func in chflags getrusage llseek strdup getmntinfo strcasecmp srandom fchown
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:2066: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1811 "configure"
+#line 2071 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
-char $ac_func();
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char $ac_func();
-int main() { return 0; }
-int t() {
+int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
; return 0; }
EOF
-if eval $ac_link; then
+if { (eval echo configure:2094: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
-
fi
+
if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
echo "$ac_t""yes" 1>&6
- ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
+ ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
done
echo $ac_n "checking ino_t defined by sys/types.h""... $ac_c" 1>&6
+echo "configure:2119: checking ino_t defined by sys/types.h" >&5
if eval "test \"`echo '$''{'e2fsprogs_cv_ino_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1860 "configure"
+#line 2124 "configure"
#include "confdefs.h"
#include <sys/types.h>
-int main() { return 0; }
-int t() {
+int main() {
ino_t ino; ino = 0;
; return 0; }
EOF
-if eval $ac_compile; then
+if { (eval echo configure:2131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
e2fsprogs_cv_ino_t=yes
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
e2fsprogs_cv_ino_t=no
fi
rm -f conftest*
-
fi
echo "$ac_t""$e2fsprogs_cv_ino_t" 1>&6
EOF
fi
-ac_safe=`echo "linux/fs.h" | tr './\055' '___'`
+ac_safe=`echo "linux/fs.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for linux/fs.h""... $ac_c" 1>&6
+echo "configure:2152: checking for linux/fs.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1892 "configure"
+#line 2157 "configure"
#include "confdefs.h"
#include <linux/fs.h>
EOF
-eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:2162: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
eval "ac_cv_header_$ac_safe=yes"
else
echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_header_$ac_safe=no"
fi
fi
SOCKET_LIB=''
-echo $ac_n "checking for -lsocket""... $ac_c" 1>&6
-if eval "test \"`echo '$''{'ac_cv_lib_socket'+set}'`\" = set"; then
+echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
+echo "configure:2201: checking for socket in -lsocket" >&5
+ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-lsocket $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 1939 "configure"
+#line 2209 "configure"
#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char socket();
-int main() { return 0; }
-int t() {
+int main() {
socket()
; return 0; }
EOF
-if eval $ac_link; then
+if { (eval echo configure:2220: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
- eval "ac_cv_lib_socket=yes"
+ eval "ac_cv_lib_$ac_lib_var=yes"
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
- eval "ac_cv_lib_socket=no"
+ eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"
fi
-if eval "test \"`echo '$ac_cv_lib_'socket`\" = yes"; then
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
echo "$ac_t""yes" 1>&6
SOCKET_LIB=-lsocket
else
echo $ac_n "checking for optreset""... $ac_c" 1>&6
+echo "configure:2242: checking for optreset" >&5
if eval "test \"`echo '$''{'ac_cv_have_optreset'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1971 "configure"
+#line 2247 "configure"
#include "confdefs.h"
#include <unistd.h>
EOF
fi
echo $ac_n "checking whether the ext2 ioctls compile""... $ac_c" 1>&6
+echo "configure:2270: checking whether the ext2 ioctls compile" >&5
if eval "test \"`echo '$''{'e2fsprogs_cv_ioctl_ext2'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1998 "configure"
+#line 2275 "configure"
#include "confdefs.h"
#include <linux/ext2_fs.h>
#include <sys/ioctl.h>
-int main() { return 0; }
-int t() {
+int main() {
ioctl (0, EXT2_IOC_SETVERSION, 0);
; return 0; }
EOF
-if eval $ac_compile; then
+if { (eval echo configure:2283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
e2fsprogs_cv_ioctl_ext2=yes
else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
rm -rf conftest*
e2fsprogs_cv_ioctl_ext2=no
fi
rm -f conftest*
-
fi
echo "$ac_t""$e2fsprogs_cv_ioctl_ext2" 1>&6
# --recheck option to rerun configure.
#
EOF
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
# Ultrix sh set writes to stderr and can't be redirected directly,
# and sets the high bit in the cache file unless we assign to the vars.
(set) 2>&1 |
- sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=\${\1='\2'}/p" \
- >> confcache
+ case `(ac_space=' '; set) 2>&1` in
+ *ac_space=\ *)
+ # `set' does not quote correctly, so add quotes (double-quote substitution
+ # turns \\\\ into \\, and sed turns \\ into \).
+ sed -n \
+ -e "s/'/'\\\\''/g" \
+ -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
+ ;;
+ *)
+ # `set' quotes correctly as required by POSIX, so do not add quotes.
+ sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
+ ;;
+ esac >> confcache
if cmp -s $cache_file confcache; then
:
else
# Protect against shell expansion while executing Makefile rules.
# Protect against Makefile macro expansion.
cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%-D\1=\2%g
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
s%[ `~#$^&*(){}\\|;'"<>?]%\\&%g
s%\[%\\&%g
s%\]%\\&%g
echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
- echo "$CONFIG_STATUS generated by autoconf version 2.4"
+ echo "$CONFIG_STATUS generated by autoconf version 2.12"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "\$ac_cs_usage"; exit 0 ;;
trap 'rm -fr `echo "MCONFIG lib/substitute_sh Makefile lib/et/Makefile
lib/ss/Makefile lib/ext2fs/Makefile lib/e2p/Makefile lib/uuid/Makefile
misc/Makefile e2fsck/Makefile debugfs/Makefile tests/Makefile
- relocate/Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+ tests/progs/Makefile doc/Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+EOF
+cat >> $CONFIG_STATUS <<EOF
-# Protect against being on the right side of a sed subst in config.status.
-sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g;
- s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
+# Protect against being on the right side of a sed subst in config.status.
+sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
+ s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
$ac_vpsub
$extrasub
s%@CFLAGS@%$CFLAGS%g
s%@exec_prefix@%$exec_prefix%g
s%@prefix@%$prefix%g
s%@program_transform_name@%$program_transform_name%g
+s%@bindir@%$bindir%g
+s%@sbindir@%$sbindir%g
+s%@libexecdir@%$libexecdir%g
+s%@datadir@%$datadir%g
+s%@sysconfdir@%$sysconfdir%g
+s%@sharedstatedir@%$sharedstatedir%g
+s%@localstatedir@%$localstatedir%g
+s%@libdir@%$libdir%g
+s%@includedir@%$includedir%g
+s%@oldincludedir@%$oldincludedir%g
+s%@infodir@%$infodir%g
+s%@mandir@%$mandir%g
/@MCONFIG@/r $MCONFIG
s%@MCONFIG@%%g
s%@E2FSPROGS_YEAR@%$E2FSPROGS_YEAR%g
CEOF
EOF
+
+cat >> $CONFIG_STATUS <<\EOF
+
+# Split the substitutions into bite-sized pieces for seds with
+# small command number limits, like on Digital OSF/1 and HP-UX.
+ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
+ac_file=1 # Number of current file.
+ac_beg=1 # First line for current file.
+ac_end=$ac_max_sed_cmds # Line after last line for current file.
+ac_more_lines=:
+ac_sed_cmds=""
+while $ac_more_lines; do
+ if test $ac_beg -gt 1; then
+ sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
+ else
+ sed "${ac_end}q" conftest.subs > conftest.s$ac_file
+ fi
+ if test ! -s conftest.s$ac_file; then
+ ac_more_lines=false
+ rm -f conftest.s$ac_file
+ else
+ if test -z "$ac_sed_cmds"; then
+ ac_sed_cmds="sed -f conftest.s$ac_file"
+ else
+ ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
+ fi
+ ac_file=`expr $ac_file + 1`
+ ac_beg=$ac_end
+ ac_end=`expr $ac_end + $ac_max_sed_cmds`
+ fi
+done
+if test -z "$ac_sed_cmds"; then
+ ac_sed_cmds=cat
+fi
+EOF
+
cat >> $CONFIG_STATUS <<EOF
CONFIG_FILES=\${CONFIG_FILES-"MCONFIG lib/substitute_sh Makefile lib/et/Makefile
lib/ss/Makefile lib/ext2fs/Makefile lib/e2p/Makefile lib/uuid/Makefile
misc/Makefile e2fsck/Makefile debugfs/Makefile tests/Makefile
- relocate/Makefile"}
+ tests/progs/Makefile doc/Makefile"}
EOF
cat >> $CONFIG_STATUS <<\EOF
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
- # Support "outfile[:infile]", defaulting infile="outfile.in".
+ # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
case "$ac_file" in
- *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
+ *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
- # Adjust relative srcdir, etc. for subdirectories.
+ # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
# Remove last slash and all that follows it. Not all systems have dirname.
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
[/$]*) INSTALL="$ac_given_INSTALL" ;;
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
esac
+
echo creating "$ac_file"
rm -f "$ac_file"
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
# $configure_input" ;;
*) ac_comsub= ;;
esac
+
+ ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
sed -e "$ac_comsub
s%@configure_input@%$configure_input%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@INSTALL@%$INSTALL%g
-" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
+" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
fi; done
-rm -f conftest.subs
+rm -f conftest.s*
+EOF
+cat >> $CONFIG_STATUS <<EOF
+EOF
+cat >> $CONFIG_STATUS <<\EOF
exit 0
EOF
AC_OUTPUT(MCONFIG lib/substitute_sh Makefile lib/et/Makefile
lib/ss/Makefile lib/ext2fs/Makefile lib/e2p/Makefile lib/uuid/Makefile
misc/Makefile e2fsck/Makefile debugfs/Makefile tests/Makefile
- relocate/Makefile)
+ tests/progs/Makefile doc/Makefile)
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Wed Jan 1 23:53:26 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * lsdel.c (do_lsdel): Use time_to_string() instead of ctime().
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Thu Sep 12 15:23:07 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* Release of E2fsprogs version 1.05
# Makefile dependencies follow. This must be the last section in
# the Makefile.in file
#
-debug_cmds.o: debug_cmds.c $(top_builddir)/lib/ss/ss_err.h \
- $(top_srcdir)/lib/ss/ss.h $(top_srcdir)/lib/ss/copyright.h
+debug_cmds.o: debug_cmds.c $(top_srcdir)/lib/ss/ss.h \
+ $(top_srcdir)/lib/ss/copyright.h $(top_builddir)/lib/ss/ss_err.h
debugfs.o: $(srcdir)/debugfs.c $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/ss/ss.h $(top_srcdir)/lib/ss/copyright.h \
$(top_builddir)/lib/ss/ss_err.h $(srcdir)/debugfs.h \
$(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
$(top_srcdir)/lib/ext2fs/bitops.h
+
request do_open_filesys, "Open a filesystem",
open_filesys, open;
-request do_close_filesys, "Close a filesystem",
+request do_close_filesys, "Close the filesystem",
close_filesys, close;
+request do_dirty_filesys, "Mark the filesystem as dirty",
+ dirty_filesys, dirty;
+
request do_init_filesys, "Initalize a filesystem (DESTROYS DATA)",
init_filesys;
close_pager(out);
}
+void do_dirty_filesys(int argc, char *argv[])
+{
+ if (check_fs_open(argv[0]))
+ return;
+
+ ext2fs_mark_super_dirty(current_fs);
+}
+
struct list_blocks_struct {
FILE *f;
int total;
const char *format, __u8 *val)
{
char buf[200];
- u_char v;
+ unsigned long v;
char *tmp;
sprintf(buf, format, *val);
buf[strlen (buf) - 1] = '\0';
if (!buf[0])
return;
- v = strtol(buf, &tmp, 0);
+ v = strtoul(buf, &tmp, 0);
if (*tmp)
com_err(com, 0, "Bad value - %s", buf);
else
const char *format, __u16 *val)
{
char buf[200];
- u_short v;
+ unsigned long v;
char *tmp;
sprintf(buf, format, *val);
buf[strlen (buf) - 1] = '\0';
if (!buf[0])
return;
- v = strtol(buf, &tmp, 0);
+ v = strtoul(buf, &tmp, 0);
if (*tmp)
com_err(com, 0, "Bad value - %s", buf);
else
const char *format, __u32 *val)
{
char buf[200];
- u_long v;
+ unsigned long v;
char *tmp;
sprintf(buf, format, *val);
buf[strlen (buf) - 1] = '\0';
if (!buf[0])
return;
- v = strtol(buf, &tmp, 0);
+ v = strtoul(buf, &tmp, 0);
if (*tmp)
com_err(com, 0, "Bad value - %s", buf);
else
printf("%6lu %6d %6o %6lu %4d/%4d %s", delarray[i].ino,
delarray[i].uid, delarray[i].mode, delarray[i].size,
delarray[i].free_blocks, delarray[i].num_blocks,
- ctime(&delarray[i].dtime));
+ time_to_string(delarray[i].dtime));
}
error_out:
--- /dev/null
+#
+# Makefile for the doc directory
+#
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+top_builddir = ..
+my_dir = doc
+INSTALL = @INSTALL@
+
+@MCONFIG@
+
+DVI=texi2dvi
+DVIPS=dvips -o "$@"
+INFO=makeinfo
+HTML=texi2html
+RM=/bin/rm -rf
+
+all:: libext2fs.info libext2fs.dvi
+
+install-doc-libs:
+ $(RM) $(DESTDIR)$(infodir)/libext2fs.info*.gz
+ $(top_srcdir)/mkinstalldirs $(DESTDIR)$(infodir)
+ for i in libext2fs.info* ; do \
+ $(INSTALL_DATA) $$i $(DESTDIR)$(infodir)/$$i ; \
+ done
+ gzip -9 $(DESTDIR)$(infodir)/libext2fs.info*
+
+libext2fs.info: $(srcdir)/libext2fs.texinfo
+ $(INFO) $(srcdir)/libext2fs.texinfo
+
+libext2fs.dvi: $(srcdir)/libext2fs.texinfo
+ $(DVI) $(srcdir)/libext2fs.texinfo
+
+.PHONY: clean
+clean:: clean-all
+
+.PHONY: clean-all
+clean-all:: clean-tex clean-backup clean-final clean-tarfiles
+
+.PHONY: clean-final
+clean-final::
+ $(RM) *.ps *.info *.info-? *.html
+
+.PHONY: clean-tex
+clean-tex::
+ $(RM) *.aux *.cp *.dvi *.fn *.ky *.log *.pg *.toc *.tp *.vr *.fns
+
+.PHONY: clean-backup
+clean-backup::
+ $(RM) *~ #*
+
+.PHONY: clean-tarfiles
+clean-tarfiles::
+ $(RM) *.tar *.tar.gz *.tgz
+
+
+
--- /dev/null
+\input texinfo @c -*-texinfo-*-
+@c %**start of header
+@setfilename libext2fs.info
+@settitle The EXT2FS Library (version 1.07)
+@synindex tp fn
+@comment %**end of header
+
+@ifinfo
+@format
+START-INFO-DIR-ENTRY
+* libext2fs: (libext2fs.info). The EXT2FS library.
+END-INFO-DIR-ENTRY
+@end format
+@end ifinfo
+
+@c smallbook
+
+@iftex
+@finalout
+@end iftex
+
+@c Note: the edition number is listed in *three* places; please update
+@c all three. Also, update the month and year where appropriate.
+
+@c ==> Update edition number for settitle and subtitle, and in the
+@c ==> following paragraph; update date, too.
+
+
+@ifinfo
+This file documents the ext2fs library, a library for manipulating the
+ext2 filesystem.
+
+Copyright (C) 1997 Theodore Ts'o
+
+Permission is granted to make and distribute verbatim copies of
+this manual provided the copyright notice and this permission notice
+are preserved on all copies.
+
+@ignore
+Permission is granted to process this file through TeX and print the
+results, provided the printed document carries copying permission
+notice identical to this one except for the removal of this paragraph
+(this paragraph not being relevant to the printed manual).
+
+@end ignore
+Permission is granted to copy and distribute modified versions of this
+manual under the conditions for verbatim copying, provided that the entire
+resulting derived work is distributed under the terms of a permission
+notice identical to this one.
+
+Permission is granted to copy and distribute translations of this manual
+into another language, under the above conditions for modified versions,
+except that this permission notice may be stated in a translation approved
+by the author.
+@end ifinfo
+
+@setchapternewpage on
+@titlepage
+@c use the new format for titles
+
+@title The EXT2FS Library
+@subtitle The EXT2FS Library
+@subtitle Version 1.07
+@subtitle February 1997
+
+@author by Theodore Ts'o
+
+@c Include the Distribution inside the titlepage so
+@c that headings are turned off.
+
+@tex
+\global\parindent=0pt
+\global\parskip=8pt
+\global\baselineskip=13pt
+@end tex
+
+@page
+@vskip 0pt plus 1filll
+Copyright @copyright{} 1997 Theodore Ts'o
+
+@sp 2
+
+Permission is granted to make and distribute verbatim copies of
+this manual provided the copyright notice and this permission notice
+are preserved on all copies.
+
+Permission is granted to copy and distribute modified versions of this
+manual under the conditions for verbatim copying, provided that the entire
+resulting derived work is distributed under the terms of a permission
+notice identical to this one.
+
+Permission is granted to copy and distribute translations of this manual
+into another language, under the above conditions for modified versions,
+except that this permission notice may be stated in a translation approved
+by the Foundation.
+@end titlepage
+@headings double
+
+@ifinfo
+@node Top, Introduction to the EXT2FS Library, (dir), (dir)
+
+@top The EXT2FS Library
+
+This manual documents the EXT2FS Library, version 1.07.
+
+@end ifinfo
+
+@menu
+* Introduction to the EXT2FS Library::
+* EXT2FS Library Functions::
+* Concept Index::
+* Function Index::
+@end menu
+
+@c ----------------------------------------------------------------------
+
+@node Introduction to the EXT2FS Library, EXT2FS Library Functions, Top, Top
+@comment node-name, next, previous, up
+@chapter Introduction to the EXT2FS Library
+
+The EXT2FS library is designed to allow user-level programs to
+manipulate an ext2 filesystem.
+
+@node EXT2FS Library Functions, Concept Index, Introduction to the EXT2FS Library, Top
+@comment node-name, next, previous, up
+@chapter EXT2FS Library Functions
+
+@menu
+* Filesystem-level functions::
+* Inode Functions::
+* Directory functions::
+* Bitmap Functions::
+* Badblocks list management::
+* Directory-block list management::
+* Byte-swapping functions::
+* Other functions::
+@end menu
+
+@c ----------------------------------------------------------------------
+
+@node Filesystem-level functions, Inode Functions, EXT2FS Library Functions, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Filesystem-level functions
+
+The following functions operate on a filesystem handle. Most EXT2FS
+Library functions require a filesystem handle as their first argument.
+There are two functions which create a filesystem handle,
+@code{ext2fs_open} and @code{ext2fs_initialize}.
+
+The filesystem can also be closed using @code{ext2fs_close}, and any
+changes to the superblock and group descripts can be written out to disk
+using @code{ext2fs_flush}.
+
+@menu
+* Opening an ext2 filesystem::
+* Closing and flushing out changes::
+* Initializing a filesystem::
+* Filesystem flag functions::
+@end menu
+
+@c ----------------------------------------------------------------------
+
+@node Opening an ext2 filesystem, Closing and flushing out changes, Filesystem-level functions, Filesystem-level functions
+@comment node-name, next, previous, up
+@subsection Opening an ext2 filesystem
+
+Most libext2fs functions take a filesystem handle of type
+@code{ext2_filsys}. A filesystem handle is created either by opening
+an existing function using @code{ext2fs_open}, or by initializing a new
+filesystem using @code{ext2fs_initialize}.
+
+@deftypefun errcode_t ext2fs_open (const char *@var{name}, int @var{flags}, int @var{superblock}, int @var{block_size}, io_manager @var{manager}, ext2_filsys *@var{ret_fs})
+
+Opens a filesystem named @var{name}, using the the io_manager
+@var{manager} to define the input/output routines needed to read and
+write the filesystem. In the case of the @code{unix_io} io_manager,
+@var{name} is interpreted as the Unix filename of the filesystem image.
+This is often a device file, such as @file{/dev/hda1}.
+
+The @var{superblock} parameter specifies the block number of the
+superblock which should be used when opening the filesystem.
+If @var{superblock} is zero, @code{ext2fs_open} will use the primary
+superblock located at offset 1024 bytes from the start of the filesystem
+image.
+
+The @var{block_size} parameter specifies the block size used by the
+filesystem. Normally this is determined automatically from the
+filesystem uperblock. If @var{block_size} is non-zero, it must match
+the block size found in the superblock, or the error
+@code{EXT2_ET_UNEXPECTED_BLOCK_SIZE} will be returned. The
+@var{block_size} parameter is also used to help fund the superblock when
+@var{superblock} is non-zero.
+
+The @var{flags} argument contains a bitmask of flags which control how
+the filesystem open should be handled.
+
+@table @code
+@item EXT2_FLAG_RW
+Open the filesystem for reading and writing. Without this flag, the
+filesystem is opened for reading only.
+
+@item EXT2_FLAG_FORCE
+Open the filesystem regardless of the feature sets listed in the
+superblock.
+
+@end table
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Closing and flushing out changes, Initializing a filesystem, Opening an ext2 filesystem, Filesystem-level functions
+@comment node-name, next, previous, up
+@subsection Closing and flushing out changes
+
+@deftypefun errcode_t ext2fs_flush (ext2_filsys @var{fs})
+
+Write any changes to the high-level filesystem data structures in the
+@var{fs} filesystem. The following data structures will be written out:
+
+@itemize @bullet
+@item The filesystem superblock
+@item The filesystem group descriptors
+@item The filesystem bitmaps, if read in via @code{ext2fs_read_bitmaps}.
+@end itemize
+
+@end deftypefun
+
+@deftypefun void ext2fs_free (ext2_filsys @var{fs})
+
+Close the io_manager abstraction for @var{fs} and release all memory
+associated with the filesystem handle.
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_close (ext2_filsys @var{fs})
+
+Flush out any changes to the high-level filesystem data structures using
+@code{ext2fs_flush} if the filesystem is marked dirty; then close and
+free the filesystem using @code{ext2fs_free}.
+
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Initializing a filesystem, Filesystem flag functions, Closing and flushing out changes, Filesystem-level functions
+@comment node-name, next, previous, up
+@subsection Initializing a filesystem
+
+An ext2 filesystem is initializing by the @code{mke2fs} program. The
+two functions described here, @code{ext2fs_initialize} and
+@code{ext2fs_allocate_tables} do much of the initial work for setting up
+a filesystem. However, they don't do the whole job. @code{mke2fs}
+calls @code{ext2fs_initialize} to set up the filesystem superblock, and
+calls @code{ext2fs_allocate_tables} to allocate space for the inode
+table, and the inode and block bitmaps. In addition, @code{mke2fs} must
+also initialize the inode tables by clearing them with zeros, create the
+root and lost+found directories, and reserve the reserved inodes.
+
+@deftypefun errcode_t ext2fs_initialize (const char *@var{name}, int @var{flags}, struct ext2_super_block *@var{param}, io_manager @var{manager}, ext2_filsys *@var{ret_fs})
+
+This function is used by the @code{mke2fs} program to initialize a
+filesystem. The @code{ext2fs_initialize} function creates a filesystem
+handle which is returned in @var{ret_fs} that has been properly setup
+for a filesystem to be located in @var{name}, using the io_manager
+@var{manager}. The prototype superblock in @var{param} is used to
+supply parameters such as the number of blocks in the filesystem, the
+block size, etc.
+
+The @code{ext2fs_initialize} function does not actually do any I/O; that
+will be done when the application program calls @code{ext2fs_close} or
+@code{ext2fs_flush}. Also, this function only initializes the
+superblock and group descriptor structures. It does not create the
+inode table or the root directory. This must be done by the calling
+application, such as @code{mke2fs}.
+
+The following values may be set in the @var{param} prototype superblock;
+if a value of 0 is found in a field, @code{ext2fs_initialize} will use a
+default value. The calling application should zero out the prototype
+entire superblock, and then fill in any appropriate values.
+
+@table @code
+
+@item s_blocks_count
+The number of blocks in the filesystem. This parameter is mandatory and
+must be set by the calling application.
+
+@item s_inodes_count
+The number of inodes in the filesystem. The
+default value is determined by calculating the size of the filesystem,
+and creating one inode for every 4096 bytes.
+
+@item s_r_blocks_count
+The number of blocks which should be reserved for the superuser. The
+default value is zero blocks.
+
+@item s_log_block_size
+The blocksize of the filesystem. Valid values are 0 (1024 bytes), 1
+(2048 bytes), or 2 (4096 bytes). The default blocksize is 1024 bytes.
+
+@item s_log_frag_size
+The size of fragments. The ext2 filesystem does not support fragments
+(and may never support fragments). Currently this field must be the
+same as @code{s_log_block_size}.
+
+@item s_first_data_block
+The first data block for the filesystem. For filesystem with a
+blocksize of 1024 bytes, this value must be at least 1, since the
+superblock is located in block number 1. For filesystems with larger
+blocksizes, the superblock is still located at an offset of 1024 bytes,
+so the superblock is located in block number 0. By default, this value
+is set to 1 for filesystems with a block size of 1024 bytes, or 0 for
+filesystems with larger blocksizes.
+
+@item s_max_mnt_count
+This field defines the number of times that the filesystem can be
+mounted before it should be checked using @code{e2fsck}. When
+@code{e2fsck} is run without the @samp{-f} option, @code{e2fsck} will
+skip the filesystem check if the number of times that the filesystem has
+been mounted is less than @code{s_max_mnt_count} and if the interval
+between the last time a filesystem check was performed and the current
+time is less than @code{s_checkinterval} (see below). The default value
+of @code{s_max_mnt_count} is 20.
+
+@item s_checkinterval
+This field defines the minimal interval between filesystem checks. See
+the previous entry for a discussion of how this field is used by
+@code{e2fsck}. The default value of this field is 180 days (six
+months).
+
+@item s_errors
+This field defines the behavior which should be used by the kernel of
+errors are detected in the filesystem. Possible values include:
+
+@table @samp
+@item EXT2_ERRORS_CONTINUE
+Continue execution when errors are detected.
+
+@item EXT2_ERRORS_RO
+Remount the filesystem read-only.
+
+@item EXT2_ERRORS_PANIC
+Panic.
+
+@end table
+
+The default behavior is @samp{EXT2_ERRORS_CONTINUE}.
+
+@end table
+
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_allocate_tables (ext2_filsys @var{fs})
+Allocate space for the inode table and the block and inode bitmaps. The
+inode tables and block and inode bitmaps aren't actually initialized;
+this function just allocates the space for them.
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Filesystem flag functions, , Initializing a filesystem, Filesystem-level functions
+@comment node-name, next, previous, up
+@subsection Filesystem flag functions
+
+The filesystem handle has a number of flags which can be manipulated
+using the following function. Some of these flags affect how the
+libext2fs filesystem behaves; others are provided solely for the
+application's convenience.
+
+@deftypefun void ext2fs_mark_changed (ext2_filsys @var{fs})
+@deftypefunx int ext2fs_test_changed (ext2_filsys @var{fs})
+This flag indicates whether or not the filesystem has been changed.
+It is not used by the ext2fs library.
+@end deftypefun
+
+@deftypefun void ext2fs_mark_super_dirty (ext2_filsys @var{fs})
+Mark the filesystem @var{fs} as being dirty; this will cause
+the superblock information to be flushed out when @code{ext2fs_close} is
+called. @code{ext2fs_mark_super_dirty} will also set the filesystem
+changed flag. The dirty flag is automatically cleared by
+@code{ext2fs_flush} when the superblock is written to disk.
+@end deftypefun
+
+@deftypefun void ext2fs_mark_valid (ext2_filsys @var{fs})
+@deftypefunx void ext2fs_unmark_valid (ext2_filsys @var{fs})
+@deftypefunx int ext2fs_test_valid (ext2_filsys @var{fs})
+This flag indicates whether or not the filesystem is free of errors.
+It is not used by libext2fs, and is solely for the application's
+convenience.
+@end deftypefun
+
+@deftypefun void ext2fs_mark_ib_dirty (ext2_filsys @var{fs})
+@deftypefunx void ext2fs_mark_bb_dirty (ext2_filsys @var{fs})
+@deftypefunx int ext2fs_test_ib_dirty (ext2_filsys @var{fs})
+@deftypefunx int ext2fs_test_bb_dirty (ext2_filsys @var{fs})
+These flags indicate whether or not the inode or block bitmaps have been
+modified. If the flag is set, it will cause the appropriate bitmap
+to be written when the filesystem is closed or flushed.
+@end deftypefun
+
+
+
+@c ----------------------------------------------------------------------
+
+@node Inode Functions, Directory functions, Filesystem-level functions, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Inode Functions
+
+@menu
+* Reading and writing inodes::
+* Iterating over inodes in a filesystem::
+* Iterating over blocks in an inode::
+* Inode Convenience Functions::
+@end menu
+
+@c ----------------------------------------------------------------------
+
+@node Reading and writing inodes, Iterating over inodes in a filesystem, Inode Functions, Inode Functions
+@comment node-name, next, previous, up
+@subsection Reading and writing inodes
+
+@deftypefun errcode_t ext2fs_read_inode (ext2_filsys @var{fs}, ino_t @var{ino}, struct ext2_inode *@var{inode})
+Read the inode number @var{ino} into @var{inode}.
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_write_inode(ext2_filsys @var{fs}, ino_t @var{ino}, struct ext2_inode *@var{inode})
+Write @var{inode} to inode @var{ino}.
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Iterating over inodes in a filesystem, Iterating over blocks in an inode, Reading and writing inodes, Inode Functions
+@comment node-name, next, previous, up
+@subsection Iterating over inodes in a filesystem
+
+The inode_scan abstraction is useful for iterating over all the inodes
+in a filesystem.
+
+@deftypefun errcode_t ext2fs_open_inode_scan (ext2_filsys @var{fs}, int @var{buffer_blocks}, ext2_inode_scan *@var{scan})
+Initialize the iteration variable @var{scan}. This variable is used by
+@code{ext2fs_get_next_inode}. The @var{buffer_blocks} parameter
+controls how many blocks of the inode table are read in at a time. A
+large number of blocks requires more memory, but reduces the overhead in
+seeking and reading from the disk. If @var{buffer_blocks} is zero, a
+suitable default value will be used.
+@end deftypefun
+
+@deftypefun void ext2fs_close_inode_scan (ext2_inode_scan @var{scan})
+Release the memory associated with @var{scan} and invalidate it.
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_get_next_inode (ext2_inode_scan @var{scan}, ino_t *@var{ino}, struct ext2_inode *@var{inode})
+
+This function returns the next inode from the filesystem; the inode
+number of the inode is stored in @var{ino}, and the inode is stored in
+@var{inode}.
+
+If the inode is located in a block that has been marked as bad,
+@code{ext2fs_get_next_inode} will return the error
+@code{EXT2_ET_BAD_BLOCK_IN_INODE_TABLE}.
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_inode_scan_goto_blockgroup (ext2_inode_scan @var{scan}, int @var{group})
+Start the inode scan at a particular ext2 blockgroup, @var{group}.
+This function may be safely called at any time while @var{scan} is valid.
+@end deftypefun
+
+@deftypefun void ext2fs_set_inode_callback (ext2_inode_scan @var{scan}, errcode_t (*done_group)(ext2_filsys @var{fs}, ext2_inode_scan @var{scan}, dgrp_t @var{group}, void * @var{private}), void *@var{done_group_data})
+Register a callback function which will be called by
+@code{ext2_get_next_inode} when all of the inodes in a block group have
+been processed.
+@end deftypefun
+
+@deftypefun int ext2fs_inode_scan_flags (ext2_inode_scan @var{scan}, int @var{set_flags}, int @var{clear_flags})
+
+Set the scan_flags @var{set_flags} and clear the scan_flags @var{clear_flags}.
+The following flags can be set using this interface:
+
+@table @samp
+
+@item EXT2_SF_SKIP_MISSING_ITABLE
+When a block group is missing an inode table, skip it. If this flag is
+not set @code{ext2fs_get_next_inode} will return the error
+EXT2_ET_MISSING_INODE_TABLE.
+
+@end table
+
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Iterating over blocks in an inode, Inode Convenience Functions, Iterating over inodes in a filesystem, Inode Functions
+@comment node-name, next, previous, up
+@subsection Iterating over blocks in an inode
+
+@deftypefun errcode_t ext2fs_block_iterate (ext2_filsys @var{fs}, ino_t @var{ino}, int @var{flags}, char *block_buf, int (*func)(ext2_filsys @var{fs}, blk_t *@var{blocknr}, int @var{blockcnt}, void *@var{private}), void *@var{private})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_block_iterate2 (ext2_filsys @var{fs}, ino_t @var{ino}, int @var{flags}, char *@var{block}_buf, int (*func)(ext2_filsys @var{fs}, blk_t *@var{blocknr}, int @var{blockcnt}, blk_t @var{ref_blk}, int @var{ref_offset}, void *@var{private}), void *@var{private})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Inode Convenience Functions, , Iterating over blocks in an inode, Inode Functions
+@comment node-name, next, previous, up
+@subsection Convenience functions for Inodes
+
+@deftypefun errcode_t ext2fs_get_blocks (ext2_filsys @var{fs}, ino_t @var{ino}, blk_t *@var{blocks})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_check_directory (ext2_filsys @var{fs}, ino_t @var{ino})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Directory functions, Bitmap Functions, Inode Functions, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Directory functions
+
+@menu
+* Directory block functions::
+* Iterating over a directory::
+* Creating and expanding directories::
+* Creating and removing directory entries::
+* Looking up filenames::
+* Translating inode numbers to filenames::
+@end menu
+
+@c ----------------------------------------------------------------------
+
+@node Directory block functions, Iterating over a directory, Directory functions, Directory functions
+@comment node-name, next, previous, up
+@subsection Directory block functions
+
+@deftypefun errcode_t ext2fs_read_dir_block (ext2_filsys @var{fs}, blk_t @var{block}, void *@var{buf})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_write_dir_block (ext2_filsys @var{fs}, blk_t @var{block}, void *@var{buf})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_new_dir_block (ext2_filsys @var{fs}, ino_t @var{dir}_ino, ino_t @var{parent_ino}, char **@var{block})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Iterating over a directory, Creating and expanding directories, Directory block functions, Directory functions
+@comment node-name, next, previous, up
+@subsection Iterating over a directory
+
+@deftypefun errcode_t ext2fs_dir_iterate (ext2_filsys @var{fs}, ino_t @var{dir}, int @var{flags}, char *@var{block_buf}, int (*@var{func})(struct ext2_dir_entry *@var{dirent}, int @var{offset}, int @var{blocksize}, char *@var{buf}, void *@var{private}), void *@var{private})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Creating and expanding directories, Creating and removing directory entries, Iterating over a directory, Directory functions
+@comment node-name, next, previous, up
+@subsection Creating and expanding directories
+
+@deftypefun errcode_t ext2fs_mkdir (ext2_filsys @var{fs}, ino_t @var{parent}, ino_t @var{inum}, const char *@var{name})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_expand_dir (ext2_filsys @var{fs}, ino_t @var{dir})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Creating and removing directory entries, Looking up filenames, Creating and expanding directories, Directory functions
+@comment node-name, next, previous, up
+@subsection Creating and removing directory entries
+
+@deftypefun errcode_t ext2fs_link (ext2_filsys @var{fs}, ino_t @var{dir}, const char *@var{name}, ino_t @var{ino}, int flags)
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_unlink (ext2_filsys @var{fs}, ino_t @var{dir}, const char *@var{name}, ino_t @var{ino}, int @var{flags})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Looking up filenames, Translating inode numbers to filenames, Creating and removing directory entries, Directory functions
+@comment node-name, next, previous, up
+@subsection Looking up filenames
+
+@deftypefun errcode_t ext2fs_lookup (ext2_filsys @var{fs}, ino_t @var{dir}, const char *@var{name}, int @var{namelen}, char *@var{buf}, ino_t *@var{inode})\a
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_namei (ext2_filsys @var{fs}, ino_t @var{root}, ino_t @var{cwd}, const char *@var{name}, ino_t *@var{inode})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_namei_follow (ext2_filsys @var{fs}, ino_t @var{root}, ino_t @var{cwd}, const char *@var{name}, ino_t *@var{inode})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_follow_link (ext2_filsys @var{fs}, ino_t @var{root}, ino_t @var{cwd}, ino_t @var{inode}, ino_t *@var{res}_inode)
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Translating inode numbers to filenames, , Looking up filenames, Directory functions
+@comment node-name, next, previous, up
+@subsection Translating inode numbers to filenames
+
+@deftypefun errcode_t ext2fs_get_pathname (ext2_filsys @var{fs}, ino_t @var{dir}, ino_t @var{ino}, char **@var{name})
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Bitmap Functions, Badblocks list management, Directory functions, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Bitmap Functions
+
+@menu
+* Reading and Writing Bitmaps::
+* Allocating Bitmaps::
+* Free bitmaps::
+* Bitmap Operations::
+* Comparing bitmaps::
+* Modifying Bitmaps::
+* Resizing Bitmaps::
+* Clearing Bitmaps::
+@end menu
+
+@c ----------------------------------------------------------------------
+
+@node Reading and Writing Bitmaps, Allocating Bitmaps, Bitmap Functions, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Reading and Writing Bitmaps
+
+@deftypefun errcode_t ext2fs_write_inode_bitmap (ext2_filsys @var{fs})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_write_block_bitmap (ext2_filsys @var{fs})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_read_inode_bitmap (ext2_filsys @var{fs})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_read_block_bitmap (ext2_filsys @var{fs})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_read_bitmaps (ext2_filsys @var{fs})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_write_bitmaps (ext2_filsys @var{fs})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Allocating Bitmaps, Free bitmaps, Reading and Writing Bitmaps, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Allocating Bitmaps
+
+@deftypefun errcode_t ext2fs_allocate_generic_bitmap (__u32 @var{start}, __u32 @var{end}, _u32 @var{real_end}, const char *@var{descr}, ext2fs_generic_bitmap *@var{ret})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_allocate_block_bitmap (ext2_filsys @var{fs}, const char *@var{descr}, ext2fs_block_bitmap *@var{ret})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_allocate_inode_bitmap (ext2_filsys @var{fs}, const char *@var{descr}, ext2fs_inode_bitmap *@var{ret})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Free bitmaps, Bitmap Operations, Allocating Bitmaps, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Freeing bitmaps
+
+
+@deftypefun void ext2fs_free_generic_bitmap (ext2fs_inode_bitmap @var{bitmap})
+@end deftypefun
+
+@deftypefun void ext2fs_free_block_bitmap (ext2fs_block_bitmap @var{bitmap})
+@end deftypefun
+
+@deftypefun void ext2fs_free_inode_bitmap (ext2fs_inode_bitmap @var{bitmap})
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Bitmap Operations, Comparing bitmaps, Free bitmaps, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Bitmap Operations
+
+@deftypefun void ext2fs_mark_block_bitmap (ext2fs_block_bitmap @var{bitmap}, blk_t @var{block})
+
+@deftypefunx void ext2fs_unmark_block_bitmap (ext2fs_block_bitmap @var{bitmap}, blk_t @var{block})
+
+@deftypefunx int ext2fs_test_block_bitmap (ext2fs_block_bitmap @var{bitmap}, blk_t @var{block})
+
+These functions set, clear, and test bits in a block bitmap @var{bitmap}.
+@end deftypefun
+
+
+@deftypefun void ext2fs_mark_inode_bitmap (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{inode})
+
+@deftypefunx void ext2fs_unmark_inode_bitmap (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{inode})
+
+@deftypefunx int ext2fs_test_inode_bitmap (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{inode})
+
+These functions set, clear, and test bits in an inode bitmap @var{bitmap}.
+@end deftypefun
+
+@deftypefun void ext2fs_fast_mark_block_bitmap (ext2fs_block_bitmap @var{bitmap}, blk_t @var{block})
+
+@deftypefunx void ext2fs_fast_unmark_block_bitmap (ext2fs_block_bitmap @var{bitmap}, blk_t @var{block})
+
+@deftypefunx int ext2fs_fast_test_block_bitmap (ext2fs_block_bitmap @var{bitmap}, blk_t @var{block})
+
+@deftypefunx void ext2fs_fast_mark_inode_bitmap (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{inode})
+
+@deftypefunx void ext2fs_fast_unmark_inode_bitmap (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{inode})
+
+@deftypefunx int ext2fs_fast_test_inode_bitmap (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{inode})
+
+These ``fast'' functions are like their normal counterparts; however,
+they are implemented as inline functions and do not perform bounds
+checks on the inode number or block number; they are assumed to be
+correct. They should only be used in speed-critical applications, where
+the inode or block number has already been validated by other means.
+@end deftypefun
+
+@deftypefun blk_t ext2fs_get_block_bitmap_start (ext2fs_block_bitmap @var{bitmap})
+@deftypefunx ino_t ext2fs_get_inode_bitmap_start (ext2fs_inode_bitmap @var{bitmap})
+Return the first inode or block which is stored in the bitmap.
+@end deftypefun
+
+@deftypefun blk_t ext2fs_get_block_bitmap_end (ext2fs_block_bitmap @var{bitmap})
+@deftypefunx ino_t ext2fs_get_inode_bitmap_end (ext2fs_inode_bitmap @var{bitmap})
+
+Return the first inode or block which is stored in the bitmap.
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Comparing bitmaps, Modifying Bitmaps, Bitmap Operations, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Comparing bitmaps
+
+@deftypefun errcode_t ext2fs_compare_block_bitmap (ext2fs_block_bitmap @var{bm1}, ext2fs_block_bitmap @var{bm2})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_compare_inode_bitmap (ext2fs_inode_bitmap @var{bm1}, ext2fs_inode_bitmap @var{bm2})
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Modifying Bitmaps, Resizing Bitmaps, Comparing bitmaps, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Modifying Bitmaps
+
+@deftypefun errcode_t ext2fs_fudge_inode_bitmap_end (ext2fs_inode_bitmap @var{bitmap}, ino_t @var{end}, ino_t *@var{oend})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_fudge_block_bitmap_end (ext2fs_block_bitmap @var{bitmap}, blk_t @var{end}, blk_t *@var{oend})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Resizing Bitmaps, Clearing Bitmaps, Modifying Bitmaps, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Resizing Bitmaps
+
+@deftypefun errcode_t ext2fs_resize_generic_bitmap (__u32 @var{new_end}, __u32 @var{new_real_end}, ext2fs_generic_bitmap @var{bmap})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_resize_inode_bitmap (__u32 @var{new_end}, __u32 @var{new_real_end}, ext2fs_inode_bitmap @var{bmap})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_resize_block_bitmap (__u32 @var{new_end}, __u32 @var{new_real_end}, ext2fs_block_bitmap @var{bmap})
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Clearing Bitmaps, , Resizing Bitmaps, Bitmap Functions
+@comment node-name, next, previous, up
+@subsection Clearing Bitmaps
+
+@deftypefun void ext2fs_clear_inode_bitmap (ext2fs_inode_bitmap @var{bitmap})
+@end deftypefun
+
+@deftypefun void ext2fs_clear_block_bitmap (ext2fs_block_bitmap @var{bitmap})
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Badblocks list management, Directory-block list management, Bitmap Functions, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Badblocks list management
+
+
+@deftypefun errcode_t ext2fs_badblocks_list_create (ext2_badblocks_list *@var{ret}, int @var{size})
+@end deftypefun
+
+@deftypefun void ext2fs_badblocks_list_free (ext2_badblocks_list @var{bb})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_badblocks_list_add (ext2_badblocks_list @var{bb}, blk_t @var{blk})
+@end deftypefun
+
+@deftypefun int ext2fs_badblocks_list_test (ext2_badblocks_list @var{bb}, blk_t @var{blk})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_badblocks_list_iterate_begin (ext2_badblocks_list @var{bb}, ext2_badblocks_iterate *@var{ret})
+@end deftypefun
+
+@deftypefun int ext2fs_badblocks_list_iterate (ext2_badblocks_iterate iter, blk_t *@var{blk})
+@end deftypefun
+
+@deftypefun void ext2fs_badblocks_list_iterate_end (ext2_badblocks_iterate @var{iter})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_update_bb_inode (ext2_filsys @var{fs}, ext2_badblocks_list @var{bb_list})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_read_bb_inode (ext2_filsys @var{fs}, ext2_badblocks_list *@var{bb_list})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_read_bb_FILE (ext2_filsys @var{fs}, FILE *f, ext2_badblocks_list *@var{bb_list}, void (*invalid)(ext2_filsys @var{fs}, blk_t @var{blk}))
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Directory-block list management, Byte-swapping functions, Badblocks list management, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Directory-block list management
+
+@deftypefun errcode_t ext2fs_init_dblist (ext2_filsys @var{fs}, ext2_dblist *@var{ret_dblist})
+@end deftypefun
+
+@deftypefun void ext2fs_free_dblist (ext2_dblist @var{dblist})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_add_dir_block (ext2_dblist dblist, ino_t @var{ino}, blk_t @var{blk}, int @var{blockcnt})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_dblist_iterate (ext2_dblist dblist, int (*func)(ext2_filsys @var{fs}, struct ext2_db_entry *@var{db_info}, void *@var{private}), void *@var{private})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_dblist_dir_iterate
+(ext2_dblist dblist, int flags, char *@var{block_buf}, int (*func)(ino_t @var{dir}, int @var{entry}, struct ext2_dir_entry *@var{dirent}, int @var{offset}, int @var{blocksize}, char *@var{buf}, void *@var{private}), void *@var{private})
+@end deftypefun
+
+@c ----------------------------------------------------------------------
+
+@node Byte-swapping functions, Other functions, Directory-block list management, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Byte-swapping functions
+
+@deftypefun void ext2fs_swap_super (struct ext2_super_block * @var{super})
+@end deftypefun
+
+@deftypefun void ext2fs_swap_group_desc (struct ext2_group_desc *@var{gdp})
+@end deftypefun
+
+@deftypefun void ext2fs_swap_inode (ext2_filsys @var{fs}, struct ext2_inode *@var{to}, struct ext2_inode *@var{from}, int @var{hostorder})
+@end deftypefun
+
+@deftypefun int ext2fs_native_flag (void)
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Other functions, , Byte-swapping functions, EXT2FS Library Functions
+@comment node-name, next, previous, up
+@section Other functions
+
+/* alloc.c */
+@deftypefun errcode_t ext2fs_new_inode (ext2_filsys @var{fs}, ino_t @var{dir}, int @var{mode}, ext2fs_inode_bitmap @var{map}, ino_t *@var{ret})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_new_block (ext2_filsys @var{fs}, blk_t @var{goal}, ext2fs_block_bitmap @var{map}, blk_t *@var{ret})
+@end deftypefun
+
+@deftypefun errcode_t ext2fs_get_free_blocks (ext2_filsys @var{fs}, blk_t @var{start}, blk_t @var{finish}, int @var{num}, ext2fs_block_bitmap @var{map}, blk_t *@var{ret})
+@end deftypefun
+
+/* check_desc.c */
+@deftypefun errcode_t ext2fs_check_desc (ext2_filsys @var{fs})
+@end deftypefun
+
+@deftypefun errcode_t ext2_get_num_dirs (ext2_filsys @var{fs}, ino_t *@var{ret_num_dirs})
+@end deftypefun
+
+
+/* getsize.c */
+@deftypefun errcode_t ext2fs_get_device_size (const char *@var{file}, int @var{blocksize}, blk_t *@var{retblocks})
+@end deftypefun
+
+
+/* ismounted.c */
+@deftypefun errcode_t ext2fs_check_if_mounted (const char *@var{file}, int *@var{mount_flags})
+@end deftypefun
+
+
+/* valid_blk.c */
+@deftypefun int ext2_inode_has_valid_blocks (struct ext2_inode *@var{inode})
+@end deftypefun
+
+
+/* inline functions */
+@deftypefun int ext2fs_group_of_blk (ext2_filsys @var{fs}, blk_t @var{blk})
+@end deftypefun
+
+@deftypefun int ext2fs_group_of_ino (ext2_filsys @var{fs}, ino_t @var{ino})
+@end deftypefun
+
+
+@c ----------------------------------------------------------------------
+
+@node Concept Index, Function Index, EXT2FS Library Functions, Top
+@comment node-name, next, previous, up
+@unnumbered Concept Index
+@printindex cp
+
+@c ----------------------------------------------------------------------
+
+@node Function Index, , Concept Index, Top
+@comment node-name, next, previous, up
+@unnumbered Function and Type Index
+@printindex fn
+
+
+@contents
+@bye
--- /dev/null
+%% TeX macros to handle Texinfo files.
+%% $Id$
+
+% Copyright (C) 1985, 86, 88, 90, 91, 92, 93,
+% 94, 95, 1996 Free Software Foundation, Inc.
+
+%This texinfo.tex file is free software; you can redistribute it and/or
+%modify it under the terms of the GNU General Public License as
+%published by the Free Software Foundation; either version 2, or (at
+%your option) any later version.
+
+%This texinfo.tex file is distributed in the hope that it will be
+%useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+%of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+%General Public License for more details.
+
+%You should have received a copy of the GNU General Public License
+%along with this texinfo.tex file; see the file COPYING. If not, write
+%to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+%Boston, MA 02111-1307, USA.
+
+
+%In other words, you are welcome to use, share and improve this program.
+%You are forbidden to forbid anyone else to use, share and improve
+%what you give them. Help stamp out software-hoarding!
+
+
+% Send bug reports to bug-texinfo@prep.ai.mit.edu.
+% Please include a *precise* test case in each bug report.
+
+
+% Make it possible to create a .fmt file just by loading this file:
+% if the underlying format is not loaded, start by loading it now.
+% Added by gildea November 1993.
+\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
+
+% This automatically updates the version number based on RCS.
+\def\deftexinfoversion$#1: #2 ${\def\texinfoversion{#2}}
+\deftexinfoversion$Revision$
+\message{Loading texinfo package [Version \texinfoversion]:}
+
+% If in a .fmt file, print the version number
+% and turn on active characters that we couldn't do earlier because
+% they might have appeared in the input file name.
+\everyjob{\message{[Texinfo version \texinfoversion]}\message{}
+ \catcode`+=\active \catcode`\_=\active}
+
+% Save some parts of plain tex whose names we will redefine.
+
+\let\ptexb=\b
+\let\ptexbullet=\bullet
+\let\ptexc=\c
+\let\ptexcomma=\,
+\let\ptexdot=\.
+\let\ptexdots=\dots
+\let\ptexend=\end
+\let\ptexequiv = \equiv
+\let\ptexi=\i
+\let\ptexlbrace=\{
+\let\ptexrbrace=\}
+\let\ptexstar=\*
+\let\ptext=\t
+\let\ptextilde=\~
+
+% Be sure we're in horizontal mode when doing a tie, since we make space
+% equivalent to this in @example-like environments. Otherwise, a space
+% at the beginning of a line will start with \penalty -- and
+% since \penalty is valid in vertical mode, we'd end up putting the
+% penalty on the vertical list instead of in the new paragraph.
+{\catcode`@ = 11
+ % Avoid using \@M directly, because that causes trouble
+ % if the definition is written into an index file.
+ \global\let\tiepenalty = \@M
+ \gdef\tie{\leavevmode\penalty\tiepenalty\ }
+}
+\let\~ = \tie % And make it available as @~.
+
+
+\message{Basics,}
+\chardef\other=12
+
+% If this character appears in an error message or help string, it
+% starts a new line in the output.
+\newlinechar = `^^J
+
+% Set up fixed words for English.
+\ifx\putwordChapter\undefined{\gdef\putwordChapter{Chapter}}\fi%
+\def\putwordInfo{Info}%
+\ifx\putwordSee\undefined{\gdef\putwordSee{See}}\fi%
+\ifx\putwordsee\undefined{\gdef\putwordsee{see}}\fi%
+\ifx\putwordfile\undefined{\gdef\putwordfile{file}}\fi%
+\ifx\putwordpage\undefined{\gdef\putwordpage{page}}\fi%
+\ifx\putwordsection\undefined{\gdef\putwordsection{section}}\fi%
+\ifx\putwordSection\undefined{\gdef\putwordSection{Section}}\fi%
+\ifx\putwordTableofContents\undefined{\gdef\putwordTableofContents{Table of Contents}}\fi%
+\ifx\putwordShortContents\undefined{\gdef\putwordShortContents{Short Contents}}\fi%
+\ifx\putwordAppendix\undefined{\gdef\putwordAppendix{Appendix}}\fi%
+
+% Ignore a token.
+%
+\def\gobble#1{}
+
+\hyphenation{ap-pen-dix}
+\hyphenation{mini-buf-fer mini-buf-fers}
+\hyphenation{eshell}
+
+% Margin to add to right of even pages, to left of odd pages.
+\newdimen \bindingoffset
+\newdimen \normaloffset
+\newdimen\pagewidth \newdimen\pageheight
+
+% Sometimes it is convenient to have everything in the transcript file
+% and nothing on the terminal. We don't just call \tracingall here,
+% since that produces some useless output on the terminal.
+%
+\def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}%
+\def\loggingall{\tracingcommands2 \tracingstats2
+ \tracingpages1 \tracingoutput1 \tracinglostchars1
+ \tracingmacros2 \tracingparagraphs1 \tracingrestores1
+ \showboxbreadth\maxdimen\showboxdepth\maxdimen
+}%
+
+%---------------------Begin change-----------------------
+%
+%%%% For @cropmarks command.
+% Dimensions to add cropmarks at corners Added by P. A. MacKay, 12 Nov. 1986
+%
+\newdimen\cornerlong \newdimen\cornerthick
+\newdimen \topandbottommargin
+\newdimen \outerhsize \newdimen \outervsize
+\cornerlong=1pc\cornerthick=.3pt % These set size of cropmarks
+\outerhsize=7in
+%\outervsize=9.5in
+% Alternative @smallbook page size is 9.25in
+\outervsize=9.25in
+\topandbottommargin=.75in
+%
+%---------------------End change-----------------------
+
+% Main output routine.
+\chardef\PAGE = 255
+\output = {\onepageout{\pagecontents\PAGE}}
+
+\newbox\headlinebox \newbox\footlinebox
+
+% \onepageout takes a vbox as an argument. Note that \pagecontents
+% does insertions, but you have to call it yourself.
+\def\onepageout#1{%
+ \hoffset=\normaloffset
+ \ifodd\pageno \advance\hoffset by \bindingoffset
+ \else \advance\hoffset by -\bindingoffset\fi
+ %
+ % Do this outside of the \shipout so @code etc. will be expanded in
+ % the headline as they should be, not taken literally (outputting ''code).
+ \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}%
+ \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}%
+ %
+ {%
+ % Have to do this stuff outside the \shipout because we want it to
+ % take effect in \write's, yet the group defined by the \vbox ends
+ % before the \shipout runs.
+ %
+ \escapechar = `\\ % use backslash in output files.
+ \indexdummies % don't expand commands in the output.
+ \normalturnoffactive % \ in index entries must not stay \, e.g., if
+ % the page break happens to be in the middle of an example.
+ \shipout\vbox{%
+ \unvbox\headlinebox
+ \pagebody{#1}%
+ \unvbox\footlinebox
+ }%
+ }%
+ \advancepageno
+ \ifnum\outputpenalty>-20000 \else\dosupereject\fi
+}
+
+%%%% For @cropmarks command %%%%
+
+% Here is a modification of the main output routine for Near East Publications
+% This provides right-angle cropmarks at all four corners.
+% The contents of the page are centerlined into the cropmarks,
+% and any desired binding offset is added as an \hskip on either
+% site of the centerlined box. (P. A. MacKay, 12 November, 1986)
+%
+\def\croppageout#1{\hoffset=0pt % make sure this doesn't mess things up
+{\escapechar=`\\\relax % makes sure backslash is used in output files.
+ \shipout
+ \vbox to \outervsize{\hsize=\outerhsize
+ \vbox{\line{\ewtop\hfill\ewtop}}
+ \nointerlineskip
+ \line{\vbox{\moveleft\cornerthick\nstop}
+ \hfill
+ \vbox{\moveright\cornerthick\nstop}}
+ \vskip \topandbottommargin
+ \centerline{\ifodd\pageno\hskip\bindingoffset\fi
+ \vbox{
+ {\let\hsize=\pagewidth \makeheadline}
+ \pagebody{#1}
+ {\let\hsize=\pagewidth \makefootline}}
+ \ifodd\pageno\else\hskip\bindingoffset\fi}
+ \vskip \topandbottommargin plus1fill minus1fill
+ \boxmaxdepth\cornerthick
+ \line{\vbox{\moveleft\cornerthick\nsbot}
+ \hfill
+ \vbox{\moveright\cornerthick\nsbot}}
+ \nointerlineskip
+ \vbox{\line{\ewbot\hfill\ewbot}}
+ }}
+ \advancepageno
+ \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
+%
+% Do @cropmarks to get crop marks
+\def\cropmarks{\let\onepageout=\croppageout }
+
+\newinsert\margin \dimen\margin=\maxdimen
+
+\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
+{\catcode`\@ =11
+\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
+% marginal hacks, juha@viisa.uucp (Juha Takala)
+\ifvoid\margin\else % marginal info is present
+ \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi
+\dimen@=\dp#1 \unvbox#1
+\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
+\ifr@ggedbottom \kern-\dimen@ \vfil \fi}
+}
+
+%
+% Here are the rules for the cropmarks. Note that they are
+% offset so that the space between them is truly \outerhsize or \outervsize
+% (P. A. MacKay, 12 November, 1986)
+%
+\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
+\def\nstop{\vbox
+ {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
+\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
+\def\nsbot{\vbox
+ {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
+
+% Parse an argument, then pass it to #1. The argument is the rest of
+% the input line (except we remove a trailing comment). #1 should be a
+% macro which expects an ordinary undelimited TeX argument.
+%
+\def\parsearg#1{%
+ \let\next = #1%
+ \begingroup
+ \obeylines
+ \futurelet\temp\parseargx
+}
+
+% If the next token is an obeyed space (from an @example environment or
+% the like), remove it and recurse. Otherwise, we're done.
+\def\parseargx{%
+ % \obeyedspace is defined far below, after the definition of \sepspaces.
+ \ifx\obeyedspace\temp
+ \expandafter\parseargdiscardspace
+ \else
+ \expandafter\parseargline
+ \fi
+}
+
+% Remove a single space (as the delimiter token to the macro call).
+{\obeyspaces %
+ \gdef\parseargdiscardspace {\futurelet\temp\parseargx}}
+
+{\obeylines %
+ \gdef\parseargline#1^^M{%
+ \endgroup % End of the group started in \parsearg.
+ %
+ % First remove any @c comment, then any @comment.
+ % Result of each macro is put in \toks0.
+ \argremovec #1\c\relax %
+ \expandafter\argremovecomment \the\toks0 \comment\relax %
+ %
+ % Call the caller's macro, saved as \next in \parsearg.
+ \expandafter\next\expandafter{\the\toks0}%
+ }%
+}
+
+% Since all \c{,omment} does is throw away the argument, we can let TeX
+% do that for us. The \relax here is matched by the \relax in the call
+% in \parseargline; it could be more or less anything, its purpose is
+% just to delimit the argument to the \c.
+\def\argremovec#1\c#2\relax{\toks0 = {#1}}
+\def\argremovecomment#1\comment#2\relax{\toks0 = {#1}}
+
+% \argremovec{,omment} might leave us with trailing spaces, though; e.g.,
+% @end itemize @c foo
+% will have two active spaces as part of the argument with the
+% `itemize'. Here we remove all active spaces from #1, and assign the
+% result to \toks0.
+%
+% This loses if there are any *other* active characters besides spaces
+% in the argument -- _ ^ +, for example -- since they get expanded.
+% Fortunately, Texinfo does not define any such commands. (If it ever
+% does, the catcode of the characters in questionwill have to be changed
+% here.) But this means we cannot call \removeactivespaces as part of
+% \argremovec{,omment}, since @c uses \parsearg, and thus the argument
+% that \parsearg gets might well have any character at all in it.
+%
+\def\removeactivespaces#1{%
+ \begingroup
+ \ignoreactivespaces
+ \edef\temp{#1}%
+ \global\toks0 = \expandafter{\temp}%
+ \endgroup
+}
+
+% Change the active space to expand to nothing.
+%
+\begingroup
+ \obeyspaces
+ \gdef\ignoreactivespaces{\obeyspaces\let =\empty}
+\endgroup
+
+
+\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
+
+%% These are used to keep @begin/@end levels from running away
+%% Call \inENV within environments (after a \begingroup)
+\newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
+\def\ENVcheck{%
+\ifENV\errmessage{Still within an environment. Type Return to continue.}
+\endgroup\fi} % This is not perfect, but it should reduce lossage
+
+% @begin foo is the same as @foo, for now.
+\newhelp\EMsimple{Type <Return> to continue.}
+
+\outer\def\begin{\parsearg\beginxxx}
+
+\def\beginxxx #1{%
+\expandafter\ifx\csname #1\endcsname\relax
+{\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
+\csname #1\endcsname\fi}
+
+% @end foo executes the definition of \Efoo.
+%
+\def\end{\parsearg\endxxx}
+\def\endxxx #1{%
+ \removeactivespaces{#1}%
+ \edef\endthing{\the\toks0}%
+ %
+ \expandafter\ifx\csname E\endthing\endcsname\relax
+ \expandafter\ifx\csname \endthing\endcsname\relax
+ % There's no \foo, i.e., no ``environment'' foo.
+ \errhelp = \EMsimple
+ \errmessage{Undefined command `@end \endthing'}%
+ \else
+ \unmatchedenderror\endthing
+ \fi
+ \else
+ % Everything's ok; the right environment has been started.
+ \csname E\endthing\endcsname
+ \fi
+}
+
+% There is an environment #1, but it hasn't been started. Give an error.
+%
+\def\unmatchedenderror#1{%
+ \errhelp = \EMsimple
+ \errmessage{This `@end #1' doesn't have a matching `@#1'}%
+}
+
+% Define the control sequence \E#1 to give an unmatched @end error.
+%
+\def\defineunmatchedend#1{%
+ \expandafter\def\csname E#1\endcsname{\unmatchedenderror{#1}}%
+}
+
+
+% Single-spacing is done by various environments (specifically, in
+% \nonfillstart and \quotations).
+\newskip\singlespaceskip \singlespaceskip = 12.5pt
+\def\singlespace{%
+ % Why was this kern here? It messes up equalizing space above and below
+ % environments. --karl, 6may93
+ %{\advance \baselineskip by -\singlespaceskip
+ %\kern \baselineskip}%
+ \setleading \singlespaceskip
+}
+
+%% Simple single-character @ commands
+
+% @@ prints an @
+% Kludge this until the fonts are right (grr).
+\def\@{{\tt \char '100}}
+
+% This is turned off because it was never documented
+% and you can use @w{...} around a quote to suppress ligatures.
+%% Define @` and @' to be the same as ` and '
+%% but suppressing ligatures.
+%\def\`{{`}}
+%\def\'{{'}}
+
+% Used to generate quoted braces.
+\def\mylbrace {{\tt \char '173}}
+\def\myrbrace {{\tt \char '175}}
+\let\{=\mylbrace
+\let\}=\myrbrace
+\begingroup
+ % Definitions to produce actual \{ & \} command in an index.
+ \catcode`\{ = 12 \catcode`\} = 12
+ \catcode`\[ = 1 \catcode`\] = 2
+ \catcode`\@ = 0 \catcode`\\ = 12
+ @gdef@lbracecmd[\{]%
+ @gdef@rbracecmd[\}]%
+@endgroup
+
+% Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent
+% Others are defined by plain TeX: @` @' @" @^ @~ @= @v @H.
+\let\, = \c
+\let\dotaccent = \.
+\def\ringaccent#1{{\accent23 #1}}
+\let\tieaccent = \t
+\let\ubaraccent = \b
+\let\udotaccent = \d
+
+% Other special characters: @questiondown @exclamdown
+% Plain TeX defines: @AA @AE @O @OE @L (and lowercase versions) @ss.
+\def\questiondown{?`}
+\def\exclamdown{!`}
+
+% Dotless i and dotless j, used for accents.
+\def\imacro{i}
+\def\jmacro{j}
+\def\dotless#1{%
+ \def\temp{#1}%
+ \ifx\temp\imacro \ptexi
+ \else\ifx\temp\jmacro \j
+ \else \errmessage{@dotless can be used only with i or j}%
+ \fi\fi
+}
+
+% @: forces normal size whitespace following.
+\def\:{\spacefactor=1000 }
+
+% @* forces a line break.
+\def\*{\hfil\break\hbox{}\ignorespaces}
+
+% @. is an end-of-sentence period.
+\def\.{.\spacefactor=3000 }
+
+% @enddots{} is an end-of-sentence ellipsis.
+\gdef\enddots{$\mathinner{\ldotp\ldotp\ldotp\ldotp}$\spacefactor=3000}
+
+% @! is an end-of-sentence bang.
+\gdef\!{!\spacefactor=3000 }
+
+% @? is an end-of-sentence query.
+\gdef\?{?\spacefactor=3000 }
+
+% @w prevents a word break. Without the \leavevmode, @w at the
+% beginning of a paragraph, when TeX is still in vertical mode, would
+% produce a whole line of output instead of starting the paragraph.
+\def\w#1{\leavevmode\hbox{#1}}
+
+% @group ... @end group forces ... to be all on one page, by enclosing
+% it in a TeX vbox. We use \vtop instead of \vbox to construct the box
+% to keep its height that of a normal line. According to the rules for
+% \topskip (p.114 of the TeXbook), the glue inserted is
+% max (\topskip - \ht (first item), 0). If that height is large,
+% therefore, no glue is inserted, and the space between the headline and
+% the text is small, which looks bad.
+%
+\def\group{\begingroup
+ \ifnum\catcode13=\active \else
+ \errhelp = \groupinvalidhelp
+ \errmessage{@group invalid in context where filling is enabled}%
+ \fi
+ %
+ % The \vtop we start below produces a box with normal height and large
+ % depth; thus, TeX puts \baselineskip glue before it, and (when the
+ % next line of text is done) \lineskip glue after it. (See p.82 of
+ % the TeXbook.) Thus, space below is not quite equal to space
+ % above. But it's pretty close.
+ \def\Egroup{%
+ \egroup % End the \vtop.
+ \endgroup % End the \group.
+ }%
+ %
+ \vtop\bgroup
+ % We have to put a strut on the last line in case the @group is in
+ % the midst of an example, rather than completely enclosing it.
+ % Otherwise, the interline space between the last line of the group
+ % and the first line afterwards is too small. But we can't put the
+ % strut in \Egroup, since there it would be on a line by itself.
+ % Hence this just inserts a strut at the beginning of each line.
+ \everypar = {\strut}%
+ %
+ % Since we have a strut on every line, we don't need any of TeX's
+ % normal interline spacing.
+ \offinterlineskip
+ %
+ % OK, but now we have to do something about blank
+ % lines in the input in @example-like environments, which normally
+ % just turn into \lisppar, which will insert no space now that we've
+ % turned off the interline space. Simplest is to make them be an
+ % empty paragraph.
+ \ifx\par\lisppar
+ \edef\par{\leavevmode \par}%
+ %
+ % Reset ^^M's definition to new definition of \par.
+ \obeylines
+ \fi
+ %
+ % Do @comment since we are called inside an environment such as
+ % @example, where each end-of-line in the input causes an
+ % end-of-line in the output. We don't want the end-of-line after
+ % the `@group' to put extra space in the output. Since @group
+ % should appear on a line by itself (according to the Texinfo
+ % manual), we don't worry about eating any user text.
+ \comment
+}
+%
+% TeX puts in an \escapechar (i.e., `@') at the beginning of the help
+% message, so this ends up printing `@group can only ...'.
+%
+\newhelp\groupinvalidhelp{%
+group can only be used in environments such as @example,^^J%
+where each line of input produces a line of output.}
+
+% @need space-in-mils
+% forces a page break if there is not space-in-mils remaining.
+
+\newdimen\mil \mil=0.001in
+
+\def\need{\parsearg\needx}
+
+% Old definition--didn't work.
+%\def\needx #1{\par %
+%% This method tries to make TeX break the page naturally
+%% if the depth of the box does not fit.
+%{\baselineskip=0pt%
+%\vtop to #1\mil{\vfil}\kern -#1\mil\penalty 10000
+%\prevdepth=-1000pt
+%}}
+
+\def\needx#1{%
+ % Go into vertical mode, so we don't make a big box in the middle of a
+ % paragraph.
+ \par
+ %
+ % Don't add any leading before our big empty box, but allow a page
+ % break, since the best break might be right here.
+ \allowbreak
+ \nointerlineskip
+ \vtop to #1\mil{\vfil}%
+ %
+ % TeX does not even consider page breaks if a penalty added to the
+ % main vertical list is 10000 or more. But in order to see if the
+ % empty box we just added fits on the page, we must make it consider
+ % page breaks. On the other hand, we don't want to actually break the
+ % page after the empty box. So we use a penalty of 9999.
+ %
+ % There is an extremely small chance that TeX will actually break the
+ % page at this \penalty, if there are no other feasible breakpoints in
+ % sight. (If the user is using lots of big @group commands, which
+ % almost-but-not-quite fill up a page, TeX will have a hard time doing
+ % good page breaking, for example.) However, I could not construct an
+ % example where a page broke at this \penalty; if it happens in a real
+ % document, then we can reconsider our strategy.
+ \penalty9999
+ %
+ % Back up by the size of the box, whether we did a page break or not.
+ \kern -#1\mil
+ %
+ % Do not allow a page break right after this kern.
+ \nobreak
+}
+
+% @br forces paragraph break
+
+\let\br = \par
+
+% @dots{} output some dots
+
+\def\dots{$\ldots$}
+
+% @page forces the start of a new page
+
+\def\page{\par\vfill\supereject}
+
+% @exdent text....
+% outputs text on separate line in roman font, starting at standard page margin
+
+% This records the amount of indent in the innermost environment.
+% That's how much \exdent should take out.
+\newskip\exdentamount
+
+% This defn is used inside fill environments such as @defun.
+\def\exdent{\parsearg\exdentyyy}
+\def\exdentyyy #1{{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break}}
+
+% This defn is used inside nofill environments such as @example.
+\def\nofillexdent{\parsearg\nofillexdentyyy}
+\def\nofillexdentyyy #1{{\advance \leftskip by -\exdentamount
+\leftline{\hskip\leftskip{\rm#1}}}}
+
+% @inmargin{TEXT} puts TEXT in the margin next to the current paragraph.
+
+\def\inmargin#1{%
+\strut\vadjust{\nobreak\kern-\strutdepth
+ \vtop to \strutdepth{\baselineskip\strutdepth\vss
+ \llap{\rightskip=\inmarginspacing \vbox{\noindent #1}}\null}}}
+\newskip\inmarginspacing \inmarginspacing=1cm
+\def\strutdepth{\dp\strutbox}
+
+%\hbox{{\rm#1}}\hfil\break}}
+
+% @include file insert text of that file as input.
+% Allow normal characters that we make active in the argument (a file name).
+\def\include{\begingroup
+ \catcode`\\=12
+ \catcode`~=12
+ \catcode`^=12
+ \catcode`_=12
+ \catcode`|=12
+ \catcode`<=12
+ \catcode`>=12
+ \catcode`+=12
+ \parsearg\includezzz}
+% Restore active chars for included file.
+\def\includezzz#1{\endgroup\begingroup
+ % Read the included file in a group so nested @include's work.
+ \def\thisfile{#1}%
+ \input\thisfile
+\endgroup}
+
+\def\thisfile{}
+
+% @center line outputs that line, centered
+
+\def\center{\parsearg\centerzzz}
+\def\centerzzz #1{{\advance\hsize by -\leftskip
+\advance\hsize by -\rightskip
+\centerline{#1}}}
+
+% @sp n outputs n lines of vertical space
+
+\def\sp{\parsearg\spxxx}
+\def\spxxx #1{\vskip #1\baselineskip}
+
+% @comment ...line which is ignored...
+% @c is the same as @comment
+% @ignore ... @end ignore is another way to write a comment
+
+\def\comment{\catcode 64=\other \catcode 123=\other \catcode 125=\other%
+\parsearg \commentxxx}
+
+\def\commentxxx #1{\catcode 64=0 \catcode 123=1 \catcode 125=2 }
+
+\let\c=\comment
+
+% @paragraphindent is defined for the Info formatting commands only.
+\let\paragraphindent=\comment
+
+% Prevent errors for section commands.
+% Used in @ignore and in failing conditionals.
+\def\ignoresections{%
+\let\chapter=\relax
+\let\unnumbered=\relax
+\let\top=\relax
+\let\unnumberedsec=\relax
+\let\unnumberedsection=\relax
+\let\unnumberedsubsec=\relax
+\let\unnumberedsubsection=\relax
+\let\unnumberedsubsubsec=\relax
+\let\unnumberedsubsubsection=\relax
+\let\section=\relax
+\let\subsec=\relax
+\let\subsubsec=\relax
+\let\subsection=\relax
+\let\subsubsection=\relax
+\let\appendix=\relax
+\let\appendixsec=\relax
+\let\appendixsection=\relax
+\let\appendixsubsec=\relax
+\let\appendixsubsection=\relax
+\let\appendixsubsubsec=\relax
+\let\appendixsubsubsection=\relax
+\let\contents=\relax
+\let\smallbook=\relax
+\let\titlepage=\relax
+}
+
+% Used in nested conditionals, where we have to parse the Texinfo source
+% and so want to turn off most commands, in case they are used
+% incorrectly.
+%
+\def\ignoremorecommands{%
+ \let\defcodeindex = \relax
+ \let\defcv = \relax
+ \let\deffn = \relax
+ \let\deffnx = \relax
+ \let\defindex = \relax
+ \let\defivar = \relax
+ \let\defmac = \relax
+ \let\defmethod = \relax
+ \let\defop = \relax
+ \let\defopt = \relax
+ \let\defspec = \relax
+ \let\deftp = \relax
+ \let\deftypefn = \relax
+ \let\deftypefun = \relax
+ \let\deftypevar = \relax
+ \let\deftypevr = \relax
+ \let\defun = \relax
+ \let\defvar = \relax
+ \let\defvr = \relax
+ \let\ref = \relax
+ \let\xref = \relax
+ \let\printindex = \relax
+ \let\pxref = \relax
+ \let\settitle = \relax
+ \let\setchapternewpage = \relax
+ \let\setchapterstyle = \relax
+ \let\everyheading = \relax
+ \let\evenheading = \relax
+ \let\oddheading = \relax
+ \let\everyfooting = \relax
+ \let\evenfooting = \relax
+ \let\oddfooting = \relax
+ \let\headings = \relax
+ \let\include = \relax
+ \let\lowersections = \relax
+ \let\down = \relax
+ \let\raisesections = \relax
+ \let\up = \relax
+ \let\set = \relax
+ \let\clear = \relax
+ \let\item = \relax
+}
+
+% Ignore @ignore ... @end ignore.
+%
+\def\ignore{\doignore{ignore}}
+
+% Also ignore @ifinfo, @ifhtml, @html, @menu, and @direntry text.
+%
+\def\ifinfo{\doignore{ifinfo}}
+\def\ifhtml{\doignore{ifhtml}}
+\def\html{\doignore{html}}
+\def\menu{\doignore{menu}}
+\def\direntry{\doignore{direntry}}
+
+% Also ignore @macro ... @end macro. The user must run texi2dvi,
+% which runs makeinfo to do macro expansion. Ignore @unmacro, too.
+\def\macro{\doignore{macro}}
+\let\unmacro = \comment
+
+
+% @dircategory CATEGORY -- specify a category of the dir file
+% which this file should belong to. Ignore this in TeX.
+\let\dircategory = \comment
+
+% Ignore text until a line `@end #1'.
+%
+\def\doignore#1{\begingroup
+ % Don't complain about control sequences we have declared \outer.
+ \ignoresections
+ %
+ % Define a command to swallow text until we reach `@end #1'.
+ \long\def\doignoretext##1\end #1{\enddoignore}%
+ %
+ % Make sure that spaces turn into tokens that match what \doignoretext wants.
+ \catcode32 = 10
+ %
+ % And now expand that command.
+ \doignoretext
+}
+
+% What we do to finish off ignored text.
+%
+\def\enddoignore{\endgroup\ignorespaces}%
+
+\newif\ifwarnedobs\warnedobsfalse
+\def\obstexwarn{%
+ \ifwarnedobs\relax\else
+ % We need to warn folks that they may have trouble with TeX 3.0.
+ % This uses \immediate\write16 rather than \message to get newlines.
+ \immediate\write16{}
+ \immediate\write16{***WARNING*** for users of Unix TeX 3.0!}
+ \immediate\write16{This manual trips a bug in TeX version 3.0 (tex hangs).}
+ \immediate\write16{If you are running another version of TeX, relax.}
+ \immediate\write16{If you are running Unix TeX 3.0, kill this TeX process.}
+ \immediate\write16{ Then upgrade your TeX installation if you can.}
+ \immediate\write16{ (See ftp://ftp.gnu.ai.mit.edu/pub/gnu/TeX.README.)}
+ \immediate\write16{If you are stuck with version 3.0, run the}
+ \immediate\write16{ script ``tex3patch'' from the Texinfo distribution}
+ \immediate\write16{ to use a workaround.}
+ \immediate\write16{}
+ \global\warnedobstrue
+ \fi
+}
+
+% **In TeX 3.0, setting text in \nullfont hangs tex. For a
+% workaround (which requires the file ``dummy.tfm'' to be installed),
+% uncomment the following line:
+%%%%%\font\nullfont=dummy\let\obstexwarn=\relax
+
+% Ignore text, except that we keep track of conditional commands for
+% purposes of nesting, up to an `@end #1' command.
+%
+\def\nestedignore#1{%
+ \obstexwarn
+ % We must actually expand the ignored text to look for the @end
+ % command, so that nested ignore constructs work. Thus, we put the
+ % text into a \vbox and then do nothing with the result. To minimize
+ % the change of memory overflow, we follow the approach outlined on
+ % page 401 of the TeXbook: make the current font be a dummy font.
+ %
+ \setbox0 = \vbox\bgroup
+ % Don't complain about control sequences we have declared \outer.
+ \ignoresections
+ %
+ % Define `@end #1' to end the box, which will in turn undefine the
+ % @end command again.
+ \expandafter\def\csname E#1\endcsname{\egroup\ignorespaces}%
+ %
+ % We are going to be parsing Texinfo commands. Most cause no
+ % trouble when they are used incorrectly, but some commands do
+ % complicated argument parsing or otherwise get confused, so we
+ % undefine them.
+ %
+ % We can't do anything about stray @-signs, unfortunately;
+ % they'll produce `undefined control sequence' errors.
+ \ignoremorecommands
+ %
+ % Set the current font to be \nullfont, a TeX primitive, and define
+ % all the font commands to also use \nullfont. We don't use
+ % dummy.tfm, as suggested in the TeXbook, because not all sites
+ % might have that installed. Therefore, math mode will still
+ % produce output, but that should be an extremely small amount of
+ % stuff compared to the main input.
+ %
+ \nullfont
+ \let\tenrm = \nullfont \let\tenit = \nullfont \let\tensl = \nullfont
+ \let\tenbf = \nullfont \let\tentt = \nullfont \let\smallcaps = \nullfont
+ \let\tensf = \nullfont
+ % Similarly for index fonts (mostly for their use in
+ % smallexample)
+ \let\indrm = \nullfont \let\indit = \nullfont \let\indsl = \nullfont
+ \let\indbf = \nullfont \let\indtt = \nullfont \let\indsc = \nullfont
+ \let\indsf = \nullfont
+ %
+ % Don't complain when characters are missing from the fonts.
+ \tracinglostchars = 0
+ %
+ % Don't bother to do space factor calculations.
+ \frenchspacing
+ %
+ % Don't report underfull hboxes.
+ \hbadness = 10000
+ %
+ % Do minimal line-breaking.
+ \pretolerance = 10000
+ %
+ % Do not execute instructions in @tex
+ \def\tex{\doignore{tex}}
+}
+
+% @set VAR sets the variable VAR to an empty value.
+% @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE.
+%
+% Since we want to separate VAR from REST-OF-LINE (which might be
+% empty), we can't just use \parsearg; we have to insert a space of our
+% own to delimit the rest of the line, and then take it out again if we
+% didn't need it. Make sure the catcode of space is correct to avoid
+% losing inside @example, for instance.
+%
+\def\set{\begingroup\catcode` =10
+ \catcode`\-=12 \catcode`\_=12 % Allow - and _ in VAR.
+ \parsearg\setxxx}
+\def\setxxx#1{\setyyy#1 \endsetyyy}
+\def\setyyy#1 #2\endsetyyy{%
+ \def\temp{#2}%
+ \ifx\temp\empty \global\expandafter\let\csname SET#1\endcsname = \empty
+ \else \setzzz{#1}#2\endsetzzz % Remove the trailing space \setxxx inserted.
+ \fi
+ \endgroup
+}
+% Can't use \xdef to pre-expand #2 and save some time, since \temp or
+% \next or other control sequences that we've defined might get us into
+% an infinite loop. Consider `@set foo @cite{bar}'.
+\def\setzzz#1#2 \endsetzzz{\expandafter\gdef\csname SET#1\endcsname{#2}}
+
+% @clear VAR clears (i.e., unsets) the variable VAR.
+%
+\def\clear{\parsearg\clearxxx}
+\def\clearxxx#1{\global\expandafter\let\csname SET#1\endcsname=\relax}
+
+% @value{foo} gets the text saved in variable foo.
+%
+\def\value{\begingroup
+ \catcode`\-=12 \catcode`\_=12 % Allow - and _ in VAR.
+ \valuexxx}
+\def\valuexxx#1{%
+ \expandafter\ifx\csname SET#1\endcsname\relax
+ {\{No value for ``#1''\}}%
+ \else
+ \csname SET#1\endcsname
+ \fi
+\endgroup}
+
+% @ifset VAR ... @end ifset reads the `...' iff VAR has been defined
+% with @set.
+%
+\def\ifset{\parsearg\ifsetxxx}
+\def\ifsetxxx #1{%
+ \expandafter\ifx\csname SET#1\endcsname\relax
+ \expandafter\ifsetfail
+ \else
+ \expandafter\ifsetsucceed
+ \fi
+}
+\def\ifsetsucceed{\conditionalsucceed{ifset}}
+\def\ifsetfail{\nestedignore{ifset}}
+\defineunmatchedend{ifset}
+
+% @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been
+% defined with @set, or has been undefined with @clear.
+%
+\def\ifclear{\parsearg\ifclearxxx}
+\def\ifclearxxx #1{%
+ \expandafter\ifx\csname SET#1\endcsname\relax
+ \expandafter\ifclearsucceed
+ \else
+ \expandafter\ifclearfail
+ \fi
+}
+\def\ifclearsucceed{\conditionalsucceed{ifclear}}
+\def\ifclearfail{\nestedignore{ifclear}}
+\defineunmatchedend{ifclear}
+
+% @iftex always succeeds; we read the text following, through @end
+% iftex). But `@end iftex' should be valid only after an @iftex.
+%
+\def\iftex{\conditionalsucceed{iftex}}
+\defineunmatchedend{iftex}
+
+% We can't just want to start a group at @iftex (for example) and end it
+% at @end iftex, since then @set commands inside the conditional have no
+% effect (they'd get reverted at the end of the group). So we must
+% define \Eiftex to redefine itself to be its previous value. (We can't
+% just define it to fail again with an ``unmatched end'' error, since
+% the @ifset might be nested.)
+%
+\def\conditionalsucceed#1{%
+ \edef\temp{%
+ % Remember the current value of \E#1.
+ \let\nece{prevE#1} = \nece{E#1}%
+ %
+ % At the `@end #1', redefine \E#1 to be its previous value.
+ \def\nece{E#1}{\let\nece{E#1} = \nece{prevE#1}}%
+ }%
+ \temp
+}
+
+% We need to expand lots of \csname's, but we don't want to expand the
+% control sequences after we've constructed them.
+%
+\def\nece#1{\expandafter\noexpand\csname#1\endcsname}
+
+% @asis just yields its argument. Used with @table, for example.
+%
+\def\asis#1{#1}
+
+% @math means output in math mode.
+% We don't use $'s directly in the definition of \math because control
+% sequences like \math are expanded when the toc file is written. Then,
+% we read the toc file back, the $'s will be normal characters (as they
+% should be, according to the definition of Texinfo). So we must use a
+% control sequence to switch into and out of math mode.
+%
+% This isn't quite enough for @math to work properly in indices, but it
+% seems unlikely it will ever be needed there.
+%
+\let\implicitmath = $
+\def\math#1{\implicitmath #1\implicitmath}
+
+% @bullet and @minus need the same treatment as @math, just above.
+\def\bullet{\implicitmath\ptexbullet\implicitmath}
+\def\minus{\implicitmath-\implicitmath}
+
+\def\node{\ENVcheck\parsearg\nodezzz}
+\def\nodezzz#1{\nodexxx [#1,]}
+\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
+\let\nwnode=\node
+\let\lastnode=\relax
+
+\def\donoderef{\ifx\lastnode\relax\else
+\expandafter\expandafter\expandafter\setref{\lastnode}\fi
+\global\let\lastnode=\relax}
+
+\def\unnumbnoderef{\ifx\lastnode\relax\else
+\expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
+\global\let\lastnode=\relax}
+
+\def\appendixnoderef{\ifx\lastnode\relax\else
+\expandafter\expandafter\expandafter\appendixsetref{\lastnode}\fi
+\global\let\lastnode=\relax}
+
+% @refill is a no-op.
+\let\refill=\relax
+
+% @setfilename is done at the beginning of every texinfo file.
+% So open here the files we need to have open while reading the input.
+% This makes it possible to make a .fmt file for texinfo.
+\def\setfilename{%
+ \readauxfile
+ \opencontents
+ \openindices
+ \fixbackslash % Turn off hack to swallow `\input texinfo'.
+ \global\let\setfilename=\comment % Ignore extra @setfilename cmds.
+ \comment % Ignore the actual filename.
+}
+
+% @bye.
+\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
+
+% \def\macro#1{\begingroup\ignoresections\catcode`\#=6\def\macrotemp{#1}\parsearg\macroxxx}
+% \def\macroxxx#1#2 \end macro{%
+% \expandafter\gdef\macrotemp#1{#2}%
+% \endgroup}
+
+%\def\linemacro#1{\begingroup\ignoresections\catcode`\#=6\def\macrotemp{#1}\parsearg\linemacroxxx}
+%\def\linemacroxxx#1#2 \end linemacro{%
+%\let\parsearg=\relax
+%\edef\macrotempx{\csname M\butfirst\expandafter\string\macrotemp\endcsname}%
+%\expandafter\xdef\macrotemp{\parsearg\macrotempx}%
+%\expandafter\gdef\macrotempx#1{#2}%
+%\endgroup}
+
+%\def\butfirst#1{}
+
+
+\message{fonts,}
+
+% Font-change commands.
+
+% Texinfo supports the sans serif font style, which plain TeX does not.
+% So we set up a \sf analogous to plain's \rm, etc.
+\newfam\sffam
+\def\sf{\fam=\sffam \tensf}
+\let\li = \sf % Sometimes we call it \li, not \sf.
+
+% We don't need math for this one.
+\def\ttsl{\tenttsl}
+
+%% Try out Computer Modern fonts at \magstephalf
+\let\mainmagstep=\magstephalf
+
+% Set the font macro #1 to the font named #2, adding on the
+% specified font prefix (normally `cm').
+% #3 is the font's design size, #4 is a scale factor
+\def\setfont#1#2#3#4{\font#1=\fontprefix#2#3 scaled #4}
+
+% Use cm as the default font prefix.
+% To specify the font prefix, you must define \fontprefix
+% before you read in texinfo.tex.
+\ifx\fontprefix\undefined
+\def\fontprefix{cm}
+\fi
+% Support font families that don't use the same naming scheme as CM.
+\def\rmshape{r}
+\def\rmbshape{bx} %where the normal face is bold
+\def\bfshape{b}
+\def\bxshape{bx}
+\def\ttshape{tt}
+\def\ttbshape{tt}
+\def\ttslshape{sltt}
+\def\itshape{ti}
+\def\itbshape{bxti}
+\def\slshape{sl}
+\def\slbshape{bxsl}
+\def\sfshape{ss}
+\def\sfbshape{ss}
+\def\scshape{csc}
+\def\scbshape{csc}
+
+\ifx\bigger\relax
+\let\mainmagstep=\magstep1
+\setfont\textrm\rmshape{12}{1000}
+\setfont\texttt\ttshape{12}{1000}
+\else
+\setfont\textrm\rmshape{10}{\mainmagstep}
+\setfont\texttt\ttshape{10}{\mainmagstep}
+\fi
+% Instead of cmb10, you many want to use cmbx10.
+% cmbx10 is a prettier font on its own, but cmb10
+% looks better when embedded in a line with cmr10.
+\setfont\textbf\bfshape{10}{\mainmagstep}
+\setfont\textit\itshape{10}{\mainmagstep}
+\setfont\textsl\slshape{10}{\mainmagstep}
+\setfont\textsf\sfshape{10}{\mainmagstep}
+\setfont\textsc\scshape{10}{\mainmagstep}
+\setfont\textttsl\ttslshape{10}{\mainmagstep}
+\font\texti=cmmi10 scaled \mainmagstep
+\font\textsy=cmsy10 scaled \mainmagstep
+
+% A few fonts for @defun, etc.
+\setfont\defbf\bxshape{10}{\magstep1} %was 1314
+\setfont\deftt\ttshape{10}{\magstep1}
+\def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf}
+
+% Fonts for indices and small examples (9pt).
+% We actually use the slanted font rather than the italic,
+% because texinfo normally uses the slanted fonts for that.
+% Do not make many font distinctions in general in the index, since they
+% aren't very useful.
+\setfont\ninett\ttshape{9}{1000}
+\setfont\indrm\rmshape{9}{1000}
+\setfont\indit\slshape{9}{1000}
+\let\indsl=\indit
+\let\indtt=\ninett
+\let\indttsl=\ninett
+\let\indsf=\indrm
+\let\indbf=\indrm
+\setfont\indsc\scshape{10}{900}
+\font\indi=cmmi9
+\font\indsy=cmsy9
+
+% Chapter (and unnumbered) fonts (17.28pt).
+\setfont\chaprm\rmbshape{12}{\magstep2}
+\setfont\chapit\itbshape{10}{\magstep3}
+\setfont\chapsl\slbshape{10}{\magstep3}
+\setfont\chaptt\ttbshape{12}{\magstep2}
+\setfont\chapttsl\ttslshape{10}{\magstep3}
+\setfont\chapsf\sfbshape{12}{\magstep2}
+\let\chapbf=\chaprm
+\setfont\chapsc\scbshape{10}{\magstep3}
+\font\chapi=cmmi12 scaled \magstep2
+\font\chapsy=cmsy10 scaled \magstep3
+
+% Section fonts (14.4pt).
+\setfont\secrm\rmbshape{12}{\magstep1}
+\setfont\secit\itbshape{10}{\magstep2}
+\setfont\secsl\slbshape{10}{\magstep2}
+\setfont\sectt\ttbshape{12}{\magstep1}
+\setfont\secttsl\ttslshape{10}{\magstep2}
+\setfont\secsf\sfbshape{12}{\magstep1}
+\let\secbf\secrm
+\setfont\secsc\scbshape{10}{\magstep2}
+\font\seci=cmmi12 scaled \magstep1
+\font\secsy=cmsy10 scaled \magstep2
+
+% \setfont\ssecrm\bxshape{10}{\magstep1} % This size an font looked bad.
+% \setfont\ssecit\itshape{10}{\magstep1} % The letters were too crowded.
+% \setfont\ssecsl\slshape{10}{\magstep1}
+% \setfont\ssectt\ttshape{10}{\magstep1}
+% \setfont\ssecsf\sfshape{10}{\magstep1}
+
+%\setfont\ssecrm\bfshape{10}{1315} % Note the use of cmb rather than cmbx.
+%\setfont\ssecit\itshape{10}{1315} % Also, the size is a little larger than
+%\setfont\ssecsl\slshape{10}{1315} % being scaled magstep1.
+%\setfont\ssectt\ttshape{10}{1315}
+%\setfont\ssecsf\sfshape{10}{1315}
+
+%\let\ssecbf=\ssecrm
+
+% Subsection fonts (13.15pt).
+\setfont\ssecrm\rmbshape{12}{\magstephalf}
+\setfont\ssecit\itbshape{10}{1315}
+\setfont\ssecsl\slbshape{10}{1315}
+\setfont\ssectt\ttbshape{12}{\magstephalf}
+\setfont\ssecttsl\ttslshape{10}{\magstep1}
+\setfont\ssecsf\sfbshape{12}{\magstephalf}
+\let\ssecbf\ssecrm
+\setfont\ssecsc\scbshape{10}{\magstep1}
+\font\sseci=cmmi12 scaled \magstephalf
+\font\ssecsy=cmsy10 scaled \magstep1
+% The smallcaps and symbol fonts should actually be scaled \magstep1.5,
+% but that is not a standard magnification.
+
+% Fonts for title page:
+\setfont\titlerm\rmbshape{12}{\magstep3}
+\let\authorrm = \secrm
+
+% In order for the font changes to affect most math symbols and letters,
+% we have to define the \textfont of the standard families. Since
+% texinfo doesn't allow for producing subscripts and superscripts, we
+% don't bother to reset \scriptfont and \scriptscriptfont (which would
+% also require loading a lot more fonts).
+%
+\def\resetmathfonts{%
+ \textfont0 = \tenrm \textfont1 = \teni \textfont2 = \tensy
+ \textfont\itfam = \tenit \textfont\slfam = \tensl \textfont\bffam = \tenbf
+ \textfont\ttfam = \tentt \textfont\sffam = \tensf
+}
+
+
+% The font-changing commands redefine the meanings of \tenSTYLE, instead
+% of just \STYLE. We do this so that font changes will continue to work
+% in math mode, where it is the current \fam that is relevant in most
+% cases, not the current font. Plain TeX does \def\bf{\fam=\bffam
+% \tenbf}, for example. By redefining \tenbf, we obviate the need to
+% redefine \bf itself.
+\def\textfonts{%
+ \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
+ \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
+ \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl
+ \resetmathfonts}
+\def\chapfonts{%
+ \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
+ \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
+ \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl
+ \resetmathfonts \setleading{19pt}}
+\def\secfonts{%
+ \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
+ \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc
+ \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl
+ \resetmathfonts \setleading{16pt}}
+\def\subsecfonts{%
+ \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
+ \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
+ \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl
+ \resetmathfonts \setleading{15pt}}
+\let\subsubsecfonts = \subsecfonts % Maybe make sssec fonts scaled magstephalf?
+\def\indexfonts{%
+ \let\tenrm=\indrm \let\tenit=\indit \let\tensl=\indsl
+ \let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc
+ \let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy \let\tenttsl=\indttsl
+ \resetmathfonts \setleading{12pt}}
+
+% Set up the default fonts, so we can use them for creating boxes.
+%
+\textfonts
+
+% Count depth in font-changes, for error checks
+\newcount\fontdepth \fontdepth=0
+
+% Fonts for short table of contents.
+\setfont\shortcontrm\rmshape{12}{1000}
+\setfont\shortcontbf\bxshape{12}{1000}
+\setfont\shortcontsl\slshape{12}{1000}
+
+%% Add scribe-like font environments, plus @l for inline lisp (usually sans
+%% serif) and @ii for TeX italic
+
+% \smartitalic{ARG} outputs arg in italics, followed by an italic correction
+% unless the following character is such as not to need one.
+\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
+\def\smartitalic#1{{\sl #1}\futurelet\next\smartitalicx}
+
+\let\i=\smartitalic
+\let\var=\smartitalic
+\let\dfn=\smartitalic
+\let\emph=\smartitalic
+\let\cite=\smartitalic
+
+\def\b#1{{\bf #1}}
+\let\strong=\b
+
+% We can't just use \exhyphenpenalty, because that only has effect at
+% the end of a paragraph. Restore normal hyphenation at the end of the
+% group within which \nohyphenation is presumably called.
+%
+\def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation}
+\def\restorehyphenation{\hyphenchar\font = `- }
+
+\def\t#1{%
+ {\tt \rawbackslash \frenchspacing #1}%
+ \null
+}
+\let\ttfont=\t
+\def\samp #1{`\tclose{#1}'\null}
+\setfont\smallrm\rmshape{8}{1000}
+\font\smallsy=cmsy9
+\def\key#1{{\smallrm\textfont2=\smallsy \leavevmode\hbox{%
+ \raise0.4pt\hbox{$\langle$}\kern-.08em\vtop{%
+ \vbox{\hrule\kern-0.4pt
+ \hbox{\raise0.4pt\hbox{\vphantom{$\langle$}}#1}}%
+ \kern-0.4pt\hrule}%
+ \kern-.06em\raise0.4pt\hbox{$\rangle$}}}}
+% The old definition, with no lozenge:
+%\def\key #1{{\ttsl \nohyphenation \uppercase{#1}}\null}
+\def\ctrl #1{{\tt \rawbackslash \hat}#1}
+
+\let\file=\samp
+\let\url=\samp % perhaps include a hypertex \special eventually
+\def\email#1{$\langle${\tt #1}$\rangle$}
+
+% @code is a modification of @t,
+% which makes spaces the same size as normal in the surrounding text.
+\def\tclose#1{%
+ {%
+ % Change normal interword space to be same as for the current font.
+ \spaceskip = \fontdimen2\font
+ %
+ % Switch to typewriter.
+ \tt
+ %
+ % But `\ ' produces the large typewriter interword space.
+ \def\ {{\spaceskip = 0pt{} }}%
+ %
+ % Turn off hyphenation.
+ \nohyphenation
+ %
+ \rawbackslash
+ \frenchspacing
+ #1%
+ }%
+ \null
+}
+
+% We *must* turn on hyphenation at `-' and `_' in \code.
+% Otherwise, it is too hard to avoid overfull hboxes
+% in the Emacs manual, the Library manual, etc.
+
+% Unfortunately, TeX uses one parameter (\hyphenchar) to control
+% both hyphenation at - and hyphenation within words.
+% We must therefore turn them both off (\tclose does that)
+% and arrange explicitly to hyphenate at a dash.
+% -- rms.
+{
+\catcode`\-=\active
+\catcode`\_=\active
+\catcode`\|=\active
+\global\def\code{\begingroup \catcode`\-=\active \let-\codedash \catcode`\_=\active \let_\codeunder \codex}
+% The following is used by \doprintindex to insure that long function names
+% wrap around. It is necessary for - and _ to be active before the index is
+% read from the file, as \entry parses the arguments long before \code is
+% ever called. -- mycroft
+% _ is always active; and it shouldn't be \let = to an _ that is a
+% subscript character anyway. Then, @cindex @samp{_} (for example)
+% fails. --karl
+\global\def\indexbreaks{%
+ \catcode`\-=\active \let-\realdash
+}
+}
+
+\def\realdash{-}
+\def\codedash{-\discretionary{}{}{}}
+\def\codeunder{\normalunderscore\discretionary{}{}{}}
+\def\codex #1{\tclose{#1}\endgroup}
+
+%\let\exp=\tclose %Was temporary
+
+% @kbd is like @code, except that if the argument is just one @key command,
+% then @kbd has no effect.
+%
+\def\xkey{\key}
+\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
+\ifx\one\xkey\ifx\threex\three \key{#2}%
+\else{\tclose{\ttsl\look}}\fi
+\else{\tclose{\ttsl\look}}\fi}
+
+% Check if we are currently using a typewriter font. Since all the
+% Computer Modern typewriter fonts have zero interword stretch (and
+% shrink), and it is reasonable to expect all typewriter fonts to have
+% this property, we can check that font parameter.
+%
+\def\ifmonospace{\ifdim\fontdimen3\font=0pt }
+
+% Typeset a dimension, e.g., `in' or `pt'. The only reason for the
+% argument is to make the input look right: @dmn{pt} instead of
+% @dmn{}pt.
+%
+\def\dmn#1{\thinspace #1}
+
+\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
+
+% @l was never documented to mean ``switch to the Lisp font'',
+% and it is not used as such in any manual I can find. We need it for
+% Polish suppressed-l. --karl, 22sep96.
+%\def\l#1{{\li #1}\null}
+
+\def\r#1{{\rm #1}} % roman font
+% Use of \lowercase was suggested.
+\def\sc#1{{\smallcaps#1}} % smallcaps font
+\def\ii#1{{\it #1}} % italic font
+
+% @pounds{} is a sterling sign.
+\def\pounds{{\it\$}}
+
+
+\message{page headings,}
+
+\newskip\titlepagetopglue \titlepagetopglue = 1.5in
+\newskip\titlepagebottomglue \titlepagebottomglue = 2pc
+
+% First the title page. Must do @settitle before @titlepage.
+\def\titlefont#1{{\titlerm #1}}
+
+\newif\ifseenauthor
+\newif\iffinishedtitlepage
+
+\def\shorttitlepage{\parsearg\shorttitlepagezzz}
+\def\shorttitlepagezzz #1{\begingroup\hbox{}\vskip 1.5in \chaprm \centerline{#1}%
+ \endgroup\page\hbox{}\page}
+
+\def\titlepage{\begingroup \parindent=0pt \textfonts
+ \let\subtitlerm=\tenrm
+% I deinstalled the following change because \cmr12 is undefined.
+% This change was not in the ChangeLog anyway. --rms.
+% \let\subtitlerm=\cmr12
+ \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
+ %
+ \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
+ %
+ % Leave some space at the very top of the page.
+ \vglue\titlepagetopglue
+ %
+ % Now you can print the title using @title.
+ \def\title{\parsearg\titlezzz}%
+ \def\titlezzz##1{\leftline{\titlefont{##1}}
+ % print a rule at the page bottom also.
+ \finishedtitlepagefalse
+ \vskip4pt \hrule height 4pt width \hsize \vskip4pt}%
+ % No rule at page bottom unless we print one at the top with @title.
+ \finishedtitlepagetrue
+ %
+ % Now you can put text using @subtitle.
+ \def\subtitle{\parsearg\subtitlezzz}%
+ \def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
+ %
+ % @author should come last, but may come many times.
+ \def\author{\parsearg\authorzzz}%
+ \def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
+ {\authorfont \leftline{##1}}}%
+ %
+ % Most title ``pages'' are actually two pages long, with space
+ % at the top of the second. We don't want the ragged left on the second.
+ \let\oldpage = \page
+ \def\page{%
+ \iffinishedtitlepage\else
+ \finishtitlepage
+ \fi
+ \oldpage
+ \let\page = \oldpage
+ \hbox{}}%
+% \def\page{\oldpage \hbox{}}
+}
+
+\def\Etitlepage{%
+ \iffinishedtitlepage\else
+ \finishtitlepage
+ \fi
+ % It is important to do the page break before ending the group,
+ % because the headline and footline are only empty inside the group.
+ % If we use the new definition of \page, we always get a blank page
+ % after the title page, which we certainly don't want.
+ \oldpage
+ \endgroup
+ \HEADINGSon
+}
+
+\def\finishtitlepage{%
+ \vskip4pt \hrule height 2pt width \hsize
+ \vskip\titlepagebottomglue
+ \finishedtitlepagetrue
+}
+
+%%% Set up page headings and footings.
+
+\let\thispage=\folio
+
+\newtoks \evenheadline % Token sequence for heading line of even pages
+\newtoks \oddheadline % Token sequence for heading line of odd pages
+\newtoks \evenfootline % Token sequence for footing line of even pages
+\newtoks \oddfootline % Token sequence for footing line of odd pages
+
+% Now make Tex use those variables
+\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
+ \else \the\evenheadline \fi}}
+\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
+ \else \the\evenfootline \fi}\HEADINGShook}
+\let\HEADINGShook=\relax
+
+% Commands to set those variables.
+% For example, this is what @headings on does
+% @evenheading @thistitle|@thispage|@thischapter
+% @oddheading @thischapter|@thispage|@thistitle
+% @evenfooting @thisfile||
+% @oddfooting ||@thisfile
+
+\def\evenheading{\parsearg\evenheadingxxx}
+\def\oddheading{\parsearg\oddheadingxxx}
+\def\everyheading{\parsearg\everyheadingxxx}
+
+\def\evenfooting{\parsearg\evenfootingxxx}
+\def\oddfooting{\parsearg\oddfootingxxx}
+\def\everyfooting{\parsearg\everyfootingxxx}
+
+{\catcode`\@=0 %
+
+\gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
+\gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
+\gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
+\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\everyheadingxxx #1{\everyheadingyyy #1@|@|@|@|\finish}
+\gdef\everyheadingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
+\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
+\gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
+\gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
+\global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\everyfootingxxx #1{\everyfootingyyy #1@|@|@|@|\finish}
+\gdef\everyfootingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
+\global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+%
+}% unbind the catcode of @.
+
+% @headings double turns headings on for double-sided printing.
+% @headings single turns headings on for single-sided printing.
+% @headings off turns them off.
+% @headings on same as @headings double, retained for compatibility.
+% @headings after turns on double-sided headings after this page.
+% @headings doubleafter turns on double-sided headings after this page.
+% @headings singleafter turns on single-sided headings after this page.
+% By default, they are off at the start of a document,
+% and turned `on' after @end titlepage.
+
+\def\headings #1 {\csname HEADINGS#1\endcsname}
+
+\def\HEADINGSoff{
+\global\evenheadline={\hfil} \global\evenfootline={\hfil}
+\global\oddheadline={\hfil} \global\oddfootline={\hfil}}
+\HEADINGSoff
+% When we turn headings on, set the page number to 1.
+% For double-sided printing, put current file name in lower left corner,
+% chapter name on inside top of right hand pages, document
+% title on inside top of left hand pages, and page numbers on outside top
+% edge of all pages.
+\def\HEADINGSdouble{
+\global\pageno=1
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\folio\hfil\thistitle}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chapoddpage
+}
+\let\contentsalignmacro = \chappager
+
+% For single-sided printing, chapter title goes across top left of page,
+% page number on top right.
+\def\HEADINGSsingle{
+\global\pageno=1
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chappager
+}
+\def\HEADINGSon{\HEADINGSdouble}
+
+\def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
+\let\HEADINGSdoubleafter=\HEADINGSafter
+\def\HEADINGSdoublex{%
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\folio\hfil\thistitle}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chapoddpage
+}
+
+\def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
+\def\HEADINGSsinglex{%
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\let\contentsalignmacro = \chappager
+}
+
+% Subroutines used in generating headings
+% Produces Day Month Year style of output.
+\def\today{\number\day\space
+\ifcase\month\or
+January\or February\or March\or April\or May\or June\or
+July\or August\or September\or October\or November\or December\fi
+\space\number\year}
+
+% Use this if you want the Month Day, Year style of output.
+%\def\today{\ifcase\month\or
+%January\or February\or March\or April\or May\or June\or
+%July\or August\or September\or October\or November\or December\fi
+%\space\number\day, \number\year}
+
+% @settitle line... specifies the title of the document, for headings
+% It generates no output of its own
+
+\def\thistitle{No Title}
+\def\settitle{\parsearg\settitlezzz}
+\def\settitlezzz #1{\gdef\thistitle{#1}}
+
+
+\message{tables,}
+
+% @tabs -- simple alignment
+
+% These don't work. For one thing, \+ is defined as outer.
+% So these macros cannot even be defined.
+
+%\def\tabs{\parsearg\tabszzz}
+%\def\tabszzz #1{\settabs\+#1\cr}
+%\def\tabline{\parsearg\tablinezzz}
+%\def\tablinezzz #1{\+#1\cr}
+%\def\&{&}
+
+% Tables -- @table, @ftable, @vtable, @item(x), @kitem(x), @xitem(x).
+
+% default indentation of table text
+\newdimen\tableindent \tableindent=.8in
+% default indentation of @itemize and @enumerate text
+\newdimen\itemindent \itemindent=.3in
+% margin between end of table item and start of table text.
+\newdimen\itemmargin \itemmargin=.1in
+
+% used internally for \itemindent minus \itemmargin
+\newdimen\itemmax
+
+% Note @table, @vtable, and @vtable define @item, @itemx, etc., with
+% these defs.
+% They also define \itemindex
+% to index the item name in whatever manner is desired (perhaps none).
+
+\newif\ifitemxneedsnegativevskip
+
+\def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi}
+
+\def\internalBitem{\smallbreak \parsearg\itemzzz}
+\def\internalBitemx{\itemxpar \parsearg\itemzzz}
+
+\def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
+\def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \itemxpar \parsearg\xitemzzz}
+
+\def\internalBkitem{\smallbreak \parsearg\kitemzzz}
+\def\internalBkitemx{\itemxpar \parsearg\kitemzzz}
+
+\def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}%
+ \itemzzz {#1}}
+
+\def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}%
+ \itemzzz {#1}}
+
+\def\itemzzz #1{\begingroup %
+ \advance\hsize by -\rightskip
+ \advance\hsize by -\tableindent
+ \setbox0=\hbox{\itemfont{#1}}%
+ \itemindex{#1}%
+ \nobreak % This prevents a break before @itemx.
+ %
+ % Be sure we are not still in the middle of a paragraph.
+ %{\parskip = 0in
+ %\par
+ %}%
+ %
+ % If the item text does not fit in the space we have, put it on a line
+ % by itself, and do not allow a page break either before or after that
+ % line. We do not start a paragraph here because then if the next
+ % command is, e.g., @kindex, the whatsit would get put into the
+ % horizontal list on a line by itself, resulting in extra blank space.
+ \ifdim \wd0>\itemmax
+ %
+ % Make this a paragraph so we get the \parskip glue and wrapping,
+ % but leave it ragged-right.
+ \begingroup
+ \advance\leftskip by-\tableindent
+ \advance\hsize by\tableindent
+ \advance\rightskip by0pt plus1fil
+ \leavevmode\unhbox0\par
+ \endgroup
+ %
+ % We're going to be starting a paragraph, but we don't want the
+ % \parskip glue -- logically it's part of the @item we just started.
+ \nobreak \vskip-\parskip
+ %
+ % Stop a page break at the \parskip glue coming up. Unfortunately
+ % we can't prevent a possible page break at the following
+ % \baselineskip glue.
+ \nobreak
+ \endgroup
+ \itemxneedsnegativevskipfalse
+ \else
+ % The item text fits into the space. Start a paragraph, so that the
+ % following text (if any) will end up on the same line. Since that
+ % text will be indented by \tableindent, we make the item text be in
+ % a zero-width box.
+ \noindent
+ \rlap{\hskip -\tableindent\box0}\ignorespaces%
+ \endgroup%
+ \itemxneedsnegativevskiptrue%
+ \fi
+}
+
+\def\item{\errmessage{@item while not in a table}}
+\def\itemx{\errmessage{@itemx while not in a table}}
+\def\kitem{\errmessage{@kitem while not in a table}}
+\def\kitemx{\errmessage{@kitemx while not in a table}}
+\def\xitem{\errmessage{@xitem while not in a table}}
+\def\xitemx{\errmessage{@xitemx while not in a table}}
+
+%% Contains a kludge to get @end[description] to work
+\def\description{\tablez{\dontindex}{1}{}{}{}{}}
+
+\def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
+{\obeylines\obeyspaces%
+\gdef\tablex #1^^M{%
+\tabley\dontindex#1 \endtabley}}
+
+\def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
+{\obeylines\obeyspaces%
+\gdef\ftablex #1^^M{%
+\tabley\fnitemindex#1 \endtabley
+\def\Eftable{\endgraf\afterenvbreak\endgroup}%
+\let\Etable=\relax}}
+
+\def\vtable{\begingroup\inENV\obeylines\obeyspaces\vtablex}
+{\obeylines\obeyspaces%
+\gdef\vtablex #1^^M{%
+\tabley\vritemindex#1 \endtabley
+\def\Evtable{\endgraf\afterenvbreak\endgroup}%
+\let\Etable=\relax}}
+
+\def\dontindex #1{}
+\def\fnitemindex #1{\doind {fn}{\code{#1}}}%
+\def\vritemindex #1{\doind {vr}{\code{#1}}}%
+
+{\obeyspaces %
+\gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
+\tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
+
+\def\tablez #1#2#3#4#5#6{%
+\aboveenvbreak %
+\begingroup %
+\def\Edescription{\Etable}% Necessary kludge.
+\let\itemindex=#1%
+\ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
+\ifnum 0#4>0 \tableindent=#4\mil \fi %
+\ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
+\def\itemfont{#2}%
+\itemmax=\tableindent %
+\advance \itemmax by -\itemmargin %
+\advance \leftskip by \tableindent %
+\exdentamount=\tableindent
+\parindent = 0pt
+\parskip = \smallskipamount
+\ifdim \parskip=0pt \parskip=2pt \fi%
+\def\Etable{\endgraf\afterenvbreak\endgroup}%
+\let\item = \internalBitem %
+\let\itemx = \internalBitemx %
+\let\kitem = \internalBkitem %
+\let\kitemx = \internalBkitemx %
+\let\xitem = \internalBxitem %
+\let\xitemx = \internalBxitemx %
+}
+
+% This is the counter used by @enumerate, which is really @itemize
+
+\newcount \itemno
+
+\def\itemize{\parsearg\itemizezzz}
+
+\def\itemizezzz #1{%
+ \begingroup % ended by the @end itemsize
+ \itemizey {#1}{\Eitemize}
+}
+
+\def\itemizey #1#2{%
+\aboveenvbreak %
+\itemmax=\itemindent %
+\advance \itemmax by -\itemmargin %
+\advance \leftskip by \itemindent %
+\exdentamount=\itemindent
+\parindent = 0pt %
+\parskip = \smallskipamount %
+\ifdim \parskip=0pt \parskip=2pt \fi%
+\def#2{\endgraf\afterenvbreak\endgroup}%
+\def\itemcontents{#1}%
+\let\item=\itemizeitem}
+
+% Set sfcode to normal for the chars that usually have another value.
+% These are `.?!:;,'
+\def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000
+ \sfcode58=1000 \sfcode59=1000 \sfcode44=1000 }
+
+% \splitoff TOKENS\endmark defines \first to be the first token in
+% TOKENS, and \rest to be the remainder.
+%
+\def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}%
+
+% Allow an optional argument of an uppercase letter, lowercase letter,
+% or number, to specify the first label in the enumerated list. No
+% argument is the same as `1'.
+%
+\def\enumerate{\parsearg\enumeratezzz}
+\def\enumeratezzz #1{\enumeratey #1 \endenumeratey}
+\def\enumeratey #1 #2\endenumeratey{%
+ \begingroup % ended by the @end enumerate
+ %
+ % If we were given no argument, pretend we were given `1'.
+ \def\thearg{#1}%
+ \ifx\thearg\empty \def\thearg{1}\fi
+ %
+ % Detect if the argument is a single token. If so, it might be a
+ % letter. Otherwise, the only valid thing it can be is a number.
+ % (We will always have one token, because of the test we just made.
+ % This is a good thing, since \splitoff doesn't work given nothing at
+ % all -- the first parameter is undelimited.)
+ \expandafter\splitoff\thearg\endmark
+ \ifx\rest\empty
+ % Only one token in the argument. It could still be anything.
+ % A ``lowercase letter'' is one whose \lccode is nonzero.
+ % An ``uppercase letter'' is one whose \lccode is both nonzero, and
+ % not equal to itself.
+ % Otherwise, we assume it's a number.
+ %
+ % We need the \relax at the end of the \ifnum lines to stop TeX from
+ % continuing to look for a <number>.
+ %
+ \ifnum\lccode\expandafter`\thearg=0\relax
+ \numericenumerate % a number (we hope)
+ \else
+ % It's a letter.
+ \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax
+ \lowercaseenumerate % lowercase letter
+ \else
+ \uppercaseenumerate % uppercase letter
+ \fi
+ \fi
+ \else
+ % Multiple tokens in the argument. We hope it's a number.
+ \numericenumerate
+ \fi
+}
+
+% An @enumerate whose labels are integers. The starting integer is
+% given in \thearg.
+%
+\def\numericenumerate{%
+ \itemno = \thearg
+ \startenumeration{\the\itemno}%
+}
+
+% The starting (lowercase) letter is in \thearg.
+\def\lowercaseenumerate{%
+ \itemno = \expandafter`\thearg
+ \startenumeration{%
+ % Be sure we're not beyond the end of the alphabet.
+ \ifnum\itemno=0
+ \errmessage{No more lowercase letters in @enumerate; get a bigger
+ alphabet}%
+ \fi
+ \char\lccode\itemno
+ }%
+}
+
+% The starting (uppercase) letter is in \thearg.
+\def\uppercaseenumerate{%
+ \itemno = \expandafter`\thearg
+ \startenumeration{%
+ % Be sure we're not beyond the end of the alphabet.
+ \ifnum\itemno=0
+ \errmessage{No more uppercase letters in @enumerate; get a bigger
+ alphabet}
+ \fi
+ \char\uccode\itemno
+ }%
+}
+
+% Call itemizey, adding a period to the first argument and supplying the
+% common last two arguments. Also subtract one from the initial value in
+% \itemno, since @item increments \itemno.
+%
+\def\startenumeration#1{%
+ \advance\itemno by -1
+ \itemizey{#1.}\Eenumerate\flushcr
+}
+
+% @alphaenumerate and @capsenumerate are abbreviations for giving an arg
+% to @enumerate.
+%
+\def\alphaenumerate{\enumerate{a}}
+\def\capsenumerate{\enumerate{A}}
+\def\Ealphaenumerate{\Eenumerate}
+\def\Ecapsenumerate{\Eenumerate}
+
+% Definition of @item while inside @itemize.
+
+\def\itemizeitem{%
+\advance\itemno by 1
+{\let\par=\endgraf \smallbreak}%
+\ifhmode \errmessage{\in hmode at itemizeitem}\fi
+{\parskip=0in \hskip 0pt
+\hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
+\vadjust{\penalty 1200}}%
+\flushcr}
+
+% @multitable macros
+% Amy Hendrickson, 8/18/94, 3/6/96
+%
+% @multitable ... @end multitable will make as many columns as desired.
+% Contents of each column will wrap at width given in preamble. Width
+% can be specified either with sample text given in a template line,
+% or in percent of \hsize, the current width of text on page.
+
+% Table can continue over pages but will only break between lines.
+
+% To make preamble:
+%
+% Either define widths of columns in terms of percent of \hsize:
+% @multitable @columnfractions .25 .3 .45
+% @item ...
+%
+% Numbers following @columnfractions are the percent of the total
+% current hsize to be used for each column. You may use as many
+% columns as desired.
+
+
+% Or use a template:
+% @multitable {Column 1 template} {Column 2 template} {Column 3 template}
+% @item ...
+% using the widest term desired in each column.
+%
+% For those who want to use more than one line's worth of words in
+% the preamble, break the line within one argument and it
+% will parse correctly, i.e.,
+%
+% @multitable {Column 1 template} {Column 2 template} {Column 3
+% template}
+% Not:
+% @multitable {Column 1 template} {Column 2 template}
+% {Column 3 template}
+
+% Each new table line starts with @item, each subsequent new column
+% starts with @tab. Empty columns may be produced by supplying @tab's
+% with nothing between them for as many times as empty columns are needed,
+% ie, @tab@tab@tab will produce two empty columns.
+
+% @item, @tab, @multitable or @end multitable do not need to be on their
+% own lines, but it will not hurt if they are.
+
+% Sample multitable:
+
+% @multitable {Column 1 template} {Column 2 template} {Column 3 template}
+% @item first col stuff @tab second col stuff @tab third col
+% @item
+% first col stuff
+% @tab
+% second col stuff
+% @tab
+% third col
+% @item first col stuff @tab second col stuff
+% @tab Many paragraphs of text may be used in any column.
+%
+% They will wrap at the width determined by the template.
+% @item@tab@tab This will be in third column.
+% @end multitable
+
+% Default dimensions may be reset by user.
+% @multitableparskip is vertical space between paragraphs in table.
+% @multitableparindent is paragraph indent in table.
+% @multitablecolmargin is horizontal space to be left between columns.
+% @multitablelinespace is space to leave between table items, baseline
+% to baseline.
+% 0pt means it depends on current normal line spacing.
+
+%%%%
+% Dimensions
+
+\newskip\multitableparskip
+\newskip\multitableparindent
+\newdimen\multitablecolspace
+\newskip\multitablelinespace
+\multitableparskip=0pt
+\multitableparindent=6pt
+\multitablecolspace=12pt
+\multitablelinespace=0pt
+
+%%%%
+% Macros used to set up halign preamble:
+\let\endsetuptable\relax
+\def\xendsetuptable{\endsetuptable}
+\let\columnfractions\relax
+\def\xcolumnfractions{\columnfractions}
+\newif\ifsetpercent
+
+%% 2/1/96, to allow fractions to be given with more than one digit.
+\def\pickupwholefraction#1 {\global\advance\colcount by1 %
+\expandafter\xdef\csname col\the\colcount\endcsname{.#1\hsize}%
+\setuptable}
+
+\newcount\colcount
+\def\setuptable#1{\def\firstarg{#1}%
+\ifx\firstarg\xendsetuptable\let\go\relax%
+\else
+ \ifx\firstarg\xcolumnfractions\global\setpercenttrue%
+ \else
+ \ifsetpercent
+ \let\go\pickupwholefraction % In this case arg of setuptable
+ % is the decimal point before the
+ % number given in percent of hsize.
+ % We don't need this so we don't use it.
+ \else
+ \global\advance\colcount by1
+ \setbox0=\hbox{#1 }% Add a normal word space as a separator;
+ % typically that is always in the input, anyway.
+ \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}%
+ \fi%
+ \fi%
+\ifx\go\pickupwholefraction\else\let\go\setuptable\fi%
+\fi\go}
+
+%%%%
+% multitable syntax
+\def\tab{&\hskip1sp\relax} % 2/2/96
+ % tiny skip here makes sure this column space is
+ % maintained, even if it is never used.
+
+
+%%%%
+% @multitable ... @end multitable definitions:
+
+\def\multitable{\parsearg\dotable}
+
+\def\dotable#1{\bgroup
+\let\item\cr
+\tolerance=9500
+\hbadness=9500
+\setmultitablespacing
+\parskip=\multitableparskip
+\parindent=\multitableparindent
+\overfullrule=0pt
+\global\colcount=0\relax%
+\def\Emultitable{\global\setpercentfalse\global\everycr{}\cr\egroup\egroup}%
+ % To parse everything between @multitable and @item :
+\setuptable#1 \endsetuptable
+ % Need to reset this to 0 after \setuptable.
+\global\colcount=0\relax%
+ %
+ % This preamble sets up a generic column definition, which will
+ % be used as many times as user calls for columns.
+ % \vtop will set a single line and will also let text wrap and
+ % continue for many paragraphs if desired.
+\halign\bgroup&\global\advance\colcount by 1\relax%
+\multistrut\vtop{\hsize=\expandafter\csname col\the\colcount\endcsname
+ % In order to keep entries from bumping into each other
+ % we will add a \leftskip of \multitablecolspace to all columns after
+ % the first one.
+ % If a template has been used, we will add \multitablecolspace
+ % to the width of each template entry.
+ % If user has set preamble in terms of percent of \hsize
+ % we will use that dimension as the width of the column, and
+ % the \leftskip will keep entries from bumping into each other.
+ % Table will start at left margin and final column will justify at
+ % right margin.
+\ifnum\colcount=1
+\else
+ \ifsetpercent
+ \else
+ % If user has <not> set preamble in terms of percent of \hsize
+ % we will advance \hsize by \multitablecolspace
+ \advance\hsize by \multitablecolspace
+ \fi
+ % In either case we will make \leftskip=\multitablecolspace:
+\leftskip=\multitablecolspace
+\fi
+ % Ignoring space at the beginning and end avoids an occasional spurious
+ % blank line, when TeX decides to break the line at the space before the
+ % box from the multistrut, so the strut ends up on a line by itself.
+ % For example:
+ % @multitable @columnfractions .11 .89
+ % @item @code{#}
+ % @tab Legal holiday which is valid in major parts of the whole country.
+ % Is automatically provided with highlighing sequences respectively marking
+ % characters.
+ \noindent\ignorespaces##\unskip\multistrut}\cr
+ % \everycr will reset column counter, \colcount, at the end of
+ % each line. Every column entry will cause \colcount to advance by one.
+ % The table preamble
+ % looks at the current \colcount to find the correct column width.
+\global\everycr{\noalign{%
+% \filbreak%% keeps underfull box messages off when table breaks over pages.
+% Maybe so, but it also creates really weird page breaks when the table
+% breaks over pages Wouldn't \vfil be better? Wait until the problem
+% manifests itself, so it can be fixed for real --karl.
+\global\colcount=0\relax}}
+}
+
+\def\setmultitablespacing{% test to see if user has set \multitablelinespace.
+% If so, do nothing. If not, give it an appropriate dimension based on
+% current baselineskip.
+\ifdim\multitablelinespace=0pt
+%% strut to put in table in case some entry doesn't have descenders,
+%% to keep lines equally spaced
+\let\multistrut = \strut
+%% Test to see if parskip is larger than space between lines of
+%% table. If not, do nothing.
+%% If so, set to same dimension as multitablelinespace.
+\else
+\gdef\multistrut{\vrule height\multitablelinespace depth\dp0
+width0pt\relax} \fi
+\ifdim\multitableparskip>\multitablelinespace
+\global\multitableparskip=\multitablelinespace
+\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
+ %% than skip between lines in the table.
+\fi%
+\ifdim\multitableparskip=0pt
+\global\multitableparskip=\multitablelinespace
+\global\advance\multitableparskip-7pt %% to keep parskip somewhat smaller
+ %% than skip between lines in the table.
+\fi}
+
+
+\message{indexing,}
+% Index generation facilities
+
+% Define \newwrite to be identical to plain tex's \newwrite
+% except not \outer, so it can be used within \newindex.
+{\catcode`\@=11
+\gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
+
+% \newindex {foo} defines an index named foo.
+% It automatically defines \fooindex such that
+% \fooindex ...rest of line... puts an entry in the index foo.
+% It also defines \fooindfile to be the number of the output channel for
+% the file that accumulates this index. The file's extension is foo.
+% The name of an index should be no more than 2 characters long
+% for the sake of vms.
+
+\def\newindex #1{
+\expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
+\openout \csname#1indfile\endcsname \jobname.#1 % Open the file
+\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
+\noexpand\doindex {#1}}
+}
+
+% @defindex foo == \newindex{foo}
+
+\def\defindex{\parsearg\newindex}
+
+% Define @defcodeindex, like @defindex except put all entries in @code.
+
+\def\newcodeindex #1{
+\expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
+\openout \csname#1indfile\endcsname \jobname.#1 % Open the file
+\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
+\noexpand\docodeindex {#1}}
+}
+
+\def\defcodeindex{\parsearg\newcodeindex}
+
+% @synindex foo bar makes index foo feed into index bar.
+% Do this instead of @defindex foo if you don't want it as a separate index.
+\def\synindex #1 #2 {%
+\expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
+\expandafter\let\csname#1indfile\endcsname=\synindexfoo
+\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
+\noexpand\doindex {#2}}%
+}
+
+% @syncodeindex foo bar similar, but put all entries made for index foo
+% inside @code.
+\def\syncodeindex #1 #2 {%
+\expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
+\expandafter\let\csname#1indfile\endcsname=\synindexfoo
+\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
+\noexpand\docodeindex {#2}}%
+}
+
+% Define \doindex, the driver for all \fooindex macros.
+% Argument #1 is generated by the calling \fooindex macro,
+% and it is "foo", the name of the index.
+
+% \doindex just uses \parsearg; it calls \doind for the actual work.
+% This is because \doind is more useful to call from other macros.
+
+% There is also \dosubind {index}{topic}{subtopic}
+% which makes an entry in a two-level index such as the operation index.
+
+\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
+\def\singleindexer #1{\doind{\indexname}{#1}}
+
+% like the previous two, but they put @code around the argument.
+\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
+\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
+
+\def\indexdummies{%
+% Take care of the plain tex accent commands.
+\def\"{\realbackslash "}%
+\def\`{\realbackslash `}%
+\def\'{\realbackslash '}%
+\def\^{\realbackslash ^}%
+\def\~{\realbackslash ~}%
+\def\={\realbackslash =}%
+\def\b{\realbackslash b}%
+\def\c{\realbackslash c}%
+\def\d{\realbackslash d}%
+\def\u{\realbackslash u}%
+\def\v{\realbackslash v}%
+\def\H{\realbackslash H}%
+% Take care of the plain tex special European modified letters.
+\def\oe{\realbackslash oe}%
+\def\ae{\realbackslash ae}%
+\def\aa{\realbackslash aa}%
+\def\OE{\realbackslash OE}%
+\def\AE{\realbackslash AE}%
+\def\AA{\realbackslash AA}%
+\def\o{\realbackslash o}%
+\def\O{\realbackslash O}%
+\def\l{\realbackslash l}%
+\def\L{\realbackslash L}%
+\def\ss{\realbackslash ss}%
+% Take care of texinfo commands likely to appear in an index entry.
+% (Must be a way to avoid doing expansion at all, and thus not have to
+% laboriously list every single command here.)
+\def\@{@}% will be @@ when we switch to @ as escape char.
+%\let\{ = \lbracecmd
+%\let\} = \rbracecmd
+\def\_{{\realbackslash _}}%
+\def\w{\realbackslash w }%
+\def\bf{\realbackslash bf }%
+%\def\rm{\realbackslash rm }%
+\def\sl{\realbackslash sl }%
+\def\sf{\realbackslash sf}%
+\def\tt{\realbackslash tt}%
+\def\gtr{\realbackslash gtr}%
+\def\less{\realbackslash less}%
+\def\hat{\realbackslash hat}%
+%\def\char{\realbackslash char}%
+\def\TeX{\realbackslash TeX}%
+\def\dots{\realbackslash dots }%
+\def\copyright{\realbackslash copyright }%
+\def\tclose##1{\realbackslash tclose {##1}}%
+\def\code##1{\realbackslash code {##1}}%
+\def\dotless##1{\realbackslash dotless {##1}}%
+\def\samp##1{\realbackslash samp {##1}}%
+\def\,##1{\realbackslash ,{##1}}%
+\def\t##1{\realbackslash t {##1}}%
+\def\r##1{\realbackslash r {##1}}%
+\def\i##1{\realbackslash i {##1}}%
+\def\b##1{\realbackslash b {##1}}%
+\def\cite##1{\realbackslash cite {##1}}%
+\def\key##1{\realbackslash key {##1}}%
+\def\file##1{\realbackslash file {##1}}%
+\def\var##1{\realbackslash var {##1}}%
+\def\kbd##1{\realbackslash kbd {##1}}%
+\def\dfn##1{\realbackslash dfn {##1}}%
+\def\emph##1{\realbackslash emph {##1}}%
+\unsepspaces
+}
+
+% If an index command is used in an @example environment, any spaces
+% therein should become regular spaces in the raw index file, not the
+% expansion of \tie (\\leavevmode \penalty \@M \ ).
+{\obeyspaces
+ \gdef\unsepspaces{\obeyspaces\let =\space}}
+
+% \indexnofonts no-ops all font-change commands.
+% This is used when outputting the strings to sort the index by.
+\def\indexdummyfont#1{#1}
+\def\indexdummytex{TeX}
+\def\indexdummydots{...}
+
+\def\indexnofonts{%
+% Just ignore accents.
+\let\,=\indexdummyfont
+\let\"=\indexdummyfont
+\let\`=\indexdummyfont
+\let\'=\indexdummyfont
+\let\^=\indexdummyfont
+\let\~=\indexdummyfont
+\let\==\indexdummyfont
+\let\b=\indexdummyfont
+\let\c=\indexdummyfont
+\let\d=\indexdummyfont
+\let\u=\indexdummyfont
+\let\v=\indexdummyfont
+\let\H=\indexdummyfont
+\let\dotless=\indexdummyfont
+% Take care of the plain tex special European modified letters.
+\def\oe{oe}%
+\def\ae{ae}%
+\def\aa{aa}%
+\def\OE{OE}%
+\def\AE{AE}%
+\def\AA{AA}%
+\def\o{o}%
+\def\O{O}%
+\def\l{l}%
+\def\L{L}%
+\def\ss{ss}%
+\let\w=\indexdummyfont
+\let\t=\indexdummyfont
+\let\r=\indexdummyfont
+\let\i=\indexdummyfont
+\let\b=\indexdummyfont
+\let\emph=\indexdummyfont
+\let\strong=\indexdummyfont
+\let\cite=\indexdummyfont
+\let\sc=\indexdummyfont
+%Don't no-op \tt, since it isn't a user-level command
+% and is used in the definitions of the active chars like <, >, |...
+%\let\tt=\indexdummyfont
+\let\tclose=\indexdummyfont
+\let\code=\indexdummyfont
+\let\file=\indexdummyfont
+\let\samp=\indexdummyfont
+\let\kbd=\indexdummyfont
+\let\key=\indexdummyfont
+\let\var=\indexdummyfont
+\let\TeX=\indexdummytex
+\let\dots=\indexdummydots
+\def\@{@}%
+}
+
+% To define \realbackslash, we must make \ not be an escape.
+% We must first make another character (@) an escape
+% so we do not become unable to do a definition.
+
+{\catcode`\@=0 \catcode`\\=\other
+@gdef@realbackslash{\}}
+
+\let\indexbackslash=0 %overridden during \printindex.
+
+\let\SETmarginindex=\relax %initialize!
+% workhorse for all \fooindexes
+% #1 is name of index, #2 is stuff to put there
+\def\doind #1#2{%
+ % Put the index entry in the margin if desired.
+ \ifx\SETmarginindex\relax\else
+ \insert\margin{\hbox{\vrule height8pt depth3pt width0pt #2}}%
+ \fi
+ {%
+ \count255=\lastpenalty
+ {%
+ \indexdummies % Must do this here, since \bf, etc expand at this stage
+ \escapechar=`\\
+ {%
+ \let\folio=0% We will expand all macros now EXCEPT \folio.
+ \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
+ % so it will be output as is; and it will print as backslash.
+ %
+ % First process the index-string with all font commands turned off
+ % to get the string to sort by.
+ {\indexnofonts \xdef\indexsorttmp{#2}}%
+ %
+ % Now produce the complete index entry, with both the sort key and the
+ % original text, including any font commands.
+ \toks0 = {#2}%
+ \edef\temp{%
+ \write\csname#1indfile\endcsname{%
+ \realbackslash entry{\indexsorttmp}{\folio}{\the\toks0}}%
+ }%
+ \temp
+ }%
+ }%
+ \penalty\count255
+ }%
+}
+
+\def\dosubind #1#2#3{%
+{\count10=\lastpenalty %
+{\indexdummies % Must do this here, since \bf, etc expand at this stage
+\escapechar=`\\%
+{\let\folio=0%
+\def\rawbackslashxx{\indexbackslash}%
+%
+% Now process the index-string once, with all font commands turned off,
+% to get the string to sort the index by.
+{\indexnofonts
+\xdef\temp1{#2 #3}%
+}%
+% Now produce the complete index entry. We process the index-string again,
+% this time with font commands expanded, to get what to print in the index.
+\edef\temp{%
+\write \csname#1indfile\endcsname{%
+\realbackslash entry {\temp1}{\folio}{#2}{#3}}}%
+\temp }%
+}\penalty\count10}}
+
+% The index entry written in the file actually looks like
+% \entry {sortstring}{page}{topic}
+% or
+% \entry {sortstring}{page}{topic}{subtopic}
+% The texindex program reads in these files and writes files
+% containing these kinds of lines:
+% \initial {c}
+% before the first topic whose initial is c
+% \entry {topic}{pagelist}
+% for a topic that is used without subtopics
+% \primary {topic}
+% for the beginning of a topic that is used with subtopics
+% \secondary {subtopic}{pagelist}
+% for each subtopic.
+
+% Define the user-accessible indexing commands
+% @findex, @vindex, @kindex, @cindex.
+
+\def\findex {\fnindex}
+\def\kindex {\kyindex}
+\def\cindex {\cpindex}
+\def\vindex {\vrindex}
+\def\tindex {\tpindex}
+\def\pindex {\pgindex}
+
+\def\cindexsub {\begingroup\obeylines\cindexsub}
+{\obeylines %
+\gdef\cindexsub "#1" #2^^M{\endgroup %
+\dosubind{cp}{#2}{#1}}}
+
+% Define the macros used in formatting output of the sorted index material.
+
+% This is what you call to cause a particular index to get printed.
+% Write
+% @unnumbered Function Index
+% @printindex fn
+
+\def\printindex{\parsearg\doprintindex}
+
+\def\doprintindex#1{\begingroup
+ \dobreak \chapheadingskip{10000}%
+ %
+ \indexfonts \rm
+ \tolerance = 9500
+ \indexbreaks
+ \def\indexbackslash{\rawbackslashxx}%
+ % Index files are almost Texinfo source, but we use \ as the escape
+ % character. It would be better to use @, but that's too big a change
+ % to make right now.
+ \catcode`\\ = 0
+ \catcode`\@ = 11
+ \escapechar = `\\
+ \begindoublecolumns
+ %
+ % See if the index file exists and is nonempty.
+ \openin 1 \jobname.#1s
+ \ifeof 1
+ % \enddoublecolumns gets confused if there is no text in the index,
+ % and it loses the chapter title and the aux file entries for the
+ % index. The easiest way to prevent this problem is to make sure
+ % there is some text.
+ (Index is nonexistent)
+ \else
+ %
+ % If the index file exists but is empty, then \openin leaves \ifeof
+ % false. We have to make TeX try to read something from the file, so
+ % it can discover if there is anything in it.
+ \read 1 to \temp
+ \ifeof 1
+ (Index is empty)
+ \else
+ \input \jobname.#1s
+ \fi
+ \fi
+ \closein 1
+ \enddoublecolumns
+\endgroup}
+
+% These macros are used by the sorted index file itself.
+% Change them to control the appearance of the index.
+
+% Same as \bigskipamount except no shrink.
+% \balancecolumns gets confused if there is any shrink.
+\newskip\initialskipamount \initialskipamount 12pt plus4pt
+
+\def\initial #1{%
+{\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
+\ifdim\lastskip<\initialskipamount
+\removelastskip \penalty-200 \vskip \initialskipamount\fi
+\line{\secbf#1\hfill}\kern 2pt\penalty10000}}
+
+% This typesets a paragraph consisting of #1, dot leaders, and then #2
+% flush to the right margin. It is used for index and table of contents
+% entries. The paragraph is indented by \leftskip.
+%
+\def\entry #1#2{\begingroup
+ %
+ % Start a new paragraph if necessary, so our assignments below can't
+ % affect previous text.
+ \par
+ %
+ % Do not fill out the last line with white space.
+ \parfillskip = 0in
+ %
+ % No extra space above this paragraph.
+ \parskip = 0in
+ %
+ % Do not prefer a separate line ending with a hyphen to fewer lines.
+ \finalhyphendemerits = 0
+ %
+ % \hangindent is only relevant when the entry text and page number
+ % don't both fit on one line. In that case, bob suggests starting the
+ % dots pretty far over on the line. Unfortunately, a large
+ % indentation looks wrong when the entry text itself is broken across
+ % lines. So we use a small indentation and put up with long leaders.
+ %
+ % \hangafter is reset to 1 (which is the value we want) at the start
+ % of each paragraph, so we need not do anything with that.
+ \hangindent=2em
+ %
+ % When the entry text needs to be broken, just fill out the first line
+ % with blank space.
+ \rightskip = 0pt plus1fil
+ %
+ % Start a ``paragraph'' for the index entry so the line breaking
+ % parameters we've set above will have an effect.
+ \noindent
+ %
+ % Insert the text of the index entry. TeX will do line-breaking on it.
+ #1%
+ % The following is kludged to not output a line of dots in the index if
+ % there are no page numbers. The next person who breaks this will be
+ % cursed by a Unix daemon.
+ \def\tempa{{\rm }}%
+ \def\tempb{#2}%
+ \edef\tempc{\tempa}%
+ \edef\tempd{\tempb}%
+ \ifx\tempc\tempd\ \else%
+ %
+ % If we must, put the page number on a line of its own, and fill out
+ % this line with blank space. (The \hfil is overwhelmed with the
+ % fill leaders glue in \indexdotfill if the page number does fit.)
+ \hfil\penalty50
+ \null\nobreak\indexdotfill % Have leaders before the page number.
+ %
+ % The `\ ' here is removed by the implicit \unskip that TeX does as
+ % part of (the primitive) \par. Without it, a spurious underfull
+ % \hbox ensues.
+ \ #2% The page number ends the paragraph.
+ \fi%
+ \par
+\endgroup}
+
+% Like \dotfill except takes at least 1 em.
+\def\indexdotfill{\cleaders
+ \hbox{$\mathsurround=0pt \mkern1.5mu ${\it .}$ \mkern1.5mu$}\hskip 1em plus 1fill}
+
+\def\primary #1{\line{#1\hfil}}
+
+\newskip\secondaryindent \secondaryindent=0.5cm
+
+\def\secondary #1#2{
+{\parfillskip=0in \parskip=0in
+\hangindent =1in \hangafter=1
+\noindent\hskip\secondaryindent\hbox{#1}\indexdotfill #2\par
+}}
+
+% Define two-column mode, which we use to typeset indexes.
+% Adapted from the TeXbook, page 416, which is to say,
+% the manmac.tex format used to print the TeXbook itself.
+\catcode`\@=11
+
+\newbox\partialpage
+\newdimen\doublecolumnhsize
+
+\def\begindoublecolumns{\begingroup % ended by \enddoublecolumns
+ % Grab any single-column material above us.
+ \output = {\global\setbox\partialpage
+ =\vbox{\unvbox255\kern -\topskip \kern \baselineskip}}%
+ \eject
+ %
+ % Now switch to the double-column output routine.
+ \output={\doublecolumnout}%
+ %
+ % Change the page size parameters. We could do this once outside this
+ % routine, in each of @smallbook, @afourpaper, and the default 8.5x11
+ % format, but then we repeat the same computation. Repeating a couple
+ % of assignments once per index is clearly meaningless for the
+ % execution time, so we may as well do it once.
+ %
+ % First we halve the line length, less a little for the gutter between
+ % the columns. We compute the gutter based on the line length, so it
+ % changes automatically with the paper format. The magic constant
+ % below is chosen so that the gutter has the same value (well, +- <
+ % 1pt) as it did when we hard-coded it.
+ %
+ % We put the result in a separate register, \doublecolumhsize, so we
+ % can restore it in \pagesofar, after \hsize itself has (potentially)
+ % been clobbered.
+ %
+ \doublecolumnhsize = \hsize
+ \advance\doublecolumnhsize by -.04154\hsize
+ \divide\doublecolumnhsize by 2
+ \hsize = \doublecolumnhsize
+ %
+ % Double the \vsize as well. (We don't need a separate register here,
+ % since nobody clobbers \vsize.)
+ \vsize = 2\vsize
+}
+\def\doublecolumnout{%
+ \splittopskip=\topskip \splitmaxdepth=\maxdepth
+ % Get the available space for the double columns -- the normal
+ % (undoubled) page height minus any material left over from the
+ % previous page.
+ \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
+ % box0 will be the left-hand column, box1 the right.
+ \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
+ \onepageout\pagesofar
+ \unvbox255 \penalty\outputpenalty
+}
+\def\pagesofar{%
+ % The contents of the output page -- any previous material,
+ % followed by the two boxes we just split.
+ \unvbox\partialpage
+ \hsize = \doublecolumnhsize
+ \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}%
+}
+\def\enddoublecolumns{%
+ \output={\balancecolumns}\eject % split what we have
+ \endgroup
+ % Back to normal single-column typesetting, but take account of the
+ % fact that we just accumulated some stuff on the output page.
+ \pagegoal=\vsize
+}
+\def\balancecolumns{%
+ % Called on the last page of the double column material.
+ \setbox0=\vbox{\unvbox255}%
+ \dimen@ = \ht0
+ \advance\dimen@ by \topskip
+ \advance\dimen@ by-\baselineskip
+ \divide\dimen@ by 2
+ \splittopskip = \topskip
+ % Loop until we get a decent breakpoint.
+ {\vbadness=10000 \loop \global\setbox3=\copy0
+ \global\setbox1=\vsplit3 to\dimen@
+ \ifdim\ht3>\dimen@ \global\advance\dimen@ by1pt \repeat}%
+ \setbox0=\vbox to\dimen@{\unvbox1}%
+ \setbox2=\vbox to\dimen@{\unvbox3}%
+ \pagesofar
+}
+\catcode `\@=\other
+
+
+\message{sectioning,}
+% Define chapters, sections, etc.
+
+\newcount \chapno
+\newcount \secno \secno=0
+\newcount \subsecno \subsecno=0
+\newcount \subsubsecno \subsubsecno=0
+
+% This counter is funny since it counts through charcodes of letters A, B, ...
+\newcount \appendixno \appendixno = `\@
+\def\appendixletter{\char\the\appendixno}
+
+\newwrite \contentsfile
+% This is called from \setfilename.
+\def\opencontents{\openout \contentsfile = \jobname.toc}
+
+% Each @chapter defines this as the name of the chapter.
+% page headings and footings can use it. @section does likewise
+
+\def\thischapter{} \def\thissection{}
+\def\seccheck#1{\if \pageno<0 %
+\errmessage{@#1 not allowed after generating table of contents}\fi
+%
+}
+
+\def\chapternofonts{%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\def\result{\realbackslash result}
+\def\equiv{\realbackslash equiv}
+\def\expansion{\realbackslash expansion}
+\def\print{\realbackslash print}
+\def\TeX{\realbackslash TeX}
+\def\dots{\realbackslash dots}
+\def\copyright{\realbackslash copyright}
+\def\tt{\realbackslash tt}
+\def\bf{\realbackslash bf }
+\def\w{\realbackslash w}
+\def\less{\realbackslash less}
+\def\gtr{\realbackslash gtr}
+\def\hat{\realbackslash hat}
+\def\char{\realbackslash char}
+\def\tclose##1{\realbackslash tclose {##1}}
+\def\code##1{\realbackslash code {##1}}
+\def\samp##1{\realbackslash samp {##1}}
+\def\r##1{\realbackslash r {##1}}
+\def\b##1{\realbackslash b {##1}}
+\def\key##1{\realbackslash key {##1}}
+\def\file##1{\realbackslash file {##1}}
+\def\kbd##1{\realbackslash kbd {##1}}
+% These are redefined because @smartitalic wouldn't work inside xdef.
+\def\i##1{\realbackslash i {##1}}
+\def\cite##1{\realbackslash cite {##1}}
+\def\var##1{\realbackslash var {##1}}
+\def\emph##1{\realbackslash emph {##1}}
+\def\dfn##1{\realbackslash dfn {##1}}
+}
+
+\newcount\absseclevel % used to calculate proper heading level
+\newcount\secbase\secbase=0 % @raise/lowersections modify this count
+
+% @raisesections: treat @section as chapter, @subsection as section, etc.
+\def\raisesections{\global\advance\secbase by -1}
+\let\up=\raisesections % original BFox name
+
+% @lowersections: treat @chapter as section, @section as subsection, etc.
+\def\lowersections{\global\advance\secbase by 1}
+\let\down=\lowersections % original BFox name
+
+% Choose a numbered-heading macro
+% #1 is heading level if unmodified by @raisesections or @lowersections
+% #2 is text for heading
+\def\numhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
+\ifcase\absseclevel
+ \chapterzzz{#2}
+\or
+ \seczzz{#2}
+\or
+ \numberedsubseczzz{#2}
+\or
+ \numberedsubsubseczzz{#2}
+\else
+ \ifnum \absseclevel<0
+ \chapterzzz{#2}
+ \else
+ \numberedsubsubseczzz{#2}
+ \fi
+\fi
+}
+
+% like \numhead, but chooses appendix heading levels
+\def\apphead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
+\ifcase\absseclevel
+ \appendixzzz{#2}
+\or
+ \appendixsectionzzz{#2}
+\or
+ \appendixsubseczzz{#2}
+\or
+ \appendixsubsubseczzz{#2}
+\else
+ \ifnum \absseclevel<0
+ \appendixzzz{#2}
+ \else
+ \appendixsubsubseczzz{#2}
+ \fi
+\fi
+}
+
+% like \numhead, but chooses numberless heading levels
+\def\unnmhead#1#2{\absseclevel=\secbase\advance\absseclevel by #1
+\ifcase\absseclevel
+ \unnumberedzzz{#2}
+\or
+ \unnumberedseczzz{#2}
+\or
+ \unnumberedsubseczzz{#2}
+\or
+ \unnumberedsubsubseczzz{#2}
+\else
+ \ifnum \absseclevel<0
+ \unnumberedzzz{#2}
+ \else
+ \unnumberedsubsubseczzz{#2}
+ \fi
+\fi
+}
+
+
+\def\thischaptername{No Chapter Title}
+\outer\def\chapter{\parsearg\chapteryyy}
+\def\chapteryyy #1{\numhead0{#1}} % normally numhead0 calls chapterzzz
+\def\chapterzzz #1{\seccheck{chapter}%
+\secno=0 \subsecno=0 \subsubsecno=0
+\global\advance \chapno by 1 \message{\putwordChapter \the\chapno}%
+\chapmacro {#1}{\the\chapno}%
+\gdef\thissection{#1}%
+\gdef\thischaptername{#1}%
+% We don't substitute the actual chapter name into \thischapter
+% because we don't want its macros evaluated now.
+\xdef\thischapter{\putwordChapter{} \the\chapno: \noexpand\thischaptername}%
+{\chapternofonts%
+\edef\temp{{\realbackslash chapentry {#1}{\the\chapno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\global\let\section = \numberedsec
+\global\let\subsection = \numberedsubsec
+\global\let\subsubsection = \numberedsubsubsec
+}}
+
+\outer\def\appendix{\parsearg\appendixyyy}
+\def\appendixyyy #1{\apphead0{#1}} % normally apphead0 calls appendixzzz
+\def\appendixzzz #1{\seccheck{appendix}%
+\secno=0 \subsecno=0 \subsubsecno=0
+\global\advance \appendixno by 1 \message{Appendix \appendixletter}%
+\chapmacro {#1}{\putwordAppendix{} \appendixletter}%
+\gdef\thissection{#1}%
+\gdef\thischaptername{#1}%
+\xdef\thischapter{\putwordAppendix{} \appendixletter: \noexpand\thischaptername}%
+{\chapternofonts%
+\edef\temp{{\realbackslash chapentry
+ {#1}{\putwordAppendix{} \appendixletter}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\appendixnoderef %
+\global\let\section = \appendixsec
+\global\let\subsection = \appendixsubsec
+\global\let\subsubsection = \appendixsubsubsec
+}}
+
+% @centerchap is like @unnumbered, but the heading is centered.
+\outer\def\centerchap{\parsearg\centerchapyyy}
+\def\centerchapyyy #1{{\let\unnumbchapmacro=\centerchapmacro \unnumberedyyy{#1}}}
+
+\outer\def\top{\parsearg\unnumberedyyy}
+\outer\def\unnumbered{\parsearg\unnumberedyyy}
+\def\unnumberedyyy #1{\unnmhead0{#1}} % normally unnmhead0 calls unnumberedzzz
+\def\unnumberedzzz #1{\seccheck{unnumbered}%
+\secno=0 \subsecno=0 \subsubsecno=0
+%
+% This used to be simply \message{#1}, but TeX fully expands the
+% argument to \message. Therefore, if #1 contained @-commands, TeX
+% expanded them. For example, in `@unnumbered The @cite{Book}', TeX
+% expanded @cite (which turns out to cause errors because \cite is meant
+% to be executed, not expanded).
+%
+% Anyway, we don't want the fully-expanded definition of @cite to appear
+% as a result of the \message, we just want `@cite' itself. We use
+% \the<toks register> to achieve this: TeX expands \the<toks> only once,
+% simply yielding the contents of the <toks register>.
+\toks0 = {#1}\message{(\the\toks0)}%
+%
+\unnumbchapmacro {#1}%
+\gdef\thischapter{#1}\gdef\thissection{#1}%
+{\chapternofonts%
+\edef\temp{{\realbackslash unnumbchapentry {#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\global\let\section = \unnumberedsec
+\global\let\subsection = \unnumberedsubsec
+\global\let\subsubsection = \unnumberedsubsubsec
+}}
+
+\outer\def\numberedsec{\parsearg\secyyy}
+\def\secyyy #1{\numhead1{#1}} % normally calls seczzz
+\def\seczzz #1{\seccheck{section}%
+\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
+\gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
+{\chapternofonts%
+\edef\temp{{\realbackslash secentry %
+{#1}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\penalty 10000 %
+}}
+
+\outer\def\appendixsection{\parsearg\appendixsecyyy}
+\outer\def\appendixsec{\parsearg\appendixsecyyy}
+\def\appendixsecyyy #1{\apphead1{#1}} % normally calls appendixsectionzzz
+\def\appendixsectionzzz #1{\seccheck{appendixsection}%
+\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
+\gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
+{\chapternofonts%
+\edef\temp{{\realbackslash secentry %
+{#1}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\appendixnoderef %
+\penalty 10000 %
+}}
+
+\outer\def\unnumberedsec{\parsearg\unnumberedsecyyy}
+\def\unnumberedsecyyy #1{\unnmhead1{#1}} % normally calls unnumberedseczzz
+\def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
+\plainsecheading {#1}\gdef\thissection{#1}%
+{\chapternofonts%
+\edef\temp{{\realbackslash unnumbsecentry{#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}}
+
+\outer\def\numberedsubsec{\parsearg\numberedsubsecyyy}
+\def\numberedsubsecyyy #1{\numhead2{#1}} % normally calls numberedsubseczzz
+\def\numberedsubseczzz #1{\seccheck{subsection}%
+\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
+\subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
+{\chapternofonts%
+\edef\temp{{\realbackslash subsecentry %
+{#1}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\penalty 10000 %
+}}
+
+\outer\def\appendixsubsec{\parsearg\appendixsubsecyyy}
+\def\appendixsubsecyyy #1{\apphead2{#1}} % normally calls appendixsubseczzz
+\def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
+\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
+\subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
+{\chapternofonts%
+\edef\temp{{\realbackslash subsecentry %
+{#1}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\appendixnoderef %
+\penalty 10000 %
+}}
+
+\outer\def\unnumberedsubsec{\parsearg\unnumberedsubsecyyy}
+\def\unnumberedsubsecyyy #1{\unnmhead2{#1}} %normally calls unnumberedsubseczzz
+\def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
+\plainsubsecheading {#1}\gdef\thissection{#1}%
+{\chapternofonts%
+\edef\temp{{\realbackslash unnumbsubsecentry{#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}}
+
+\outer\def\numberedsubsubsec{\parsearg\numberedsubsubsecyyy}
+\def\numberedsubsubsecyyy #1{\numhead3{#1}} % normally numberedsubsubseczzz
+\def\numberedsubsubseczzz #1{\seccheck{subsubsection}%
+\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
+\subsubsecheading {#1}
+ {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
+{\chapternofonts%
+\edef\temp{{\realbackslash subsubsecentry %
+ {#1}
+ {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}
+ {\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\penalty 10000 %
+}}
+
+\outer\def\appendixsubsubsec{\parsearg\appendixsubsubsecyyy}
+\def\appendixsubsubsecyyy #1{\apphead3{#1}} % normally appendixsubsubseczzz
+\def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
+\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
+\subsubsecheading {#1}
+ {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
+{\chapternofonts%
+\edef\temp{{\realbackslash subsubsecentry{#1}%
+ {\appendixletter}
+ {\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\appendixnoderef %
+\penalty 10000 %
+}}
+
+\outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubsecyyy}
+\def\unnumberedsubsubsecyyy #1{\unnmhead3{#1}} %normally unnumberedsubsubseczzz
+\def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
+\plainsubsubsecheading {#1}\gdef\thissection{#1}%
+{\chapternofonts%
+\edef\temp{{\realbackslash unnumbsubsubsecentry{#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}}
+
+% These are variants which are not "outer", so they can appear in @ifinfo.
+% Actually, they should now be obsolete; ordinary section commands should work.
+\def\infotop{\parsearg\unnumberedzzz}
+\def\infounnumbered{\parsearg\unnumberedzzz}
+\def\infounnumberedsec{\parsearg\unnumberedseczzz}
+\def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
+\def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
+
+\def\infoappendix{\parsearg\appendixzzz}
+\def\infoappendixsec{\parsearg\appendixseczzz}
+\def\infoappendixsubsec{\parsearg\appendixsubseczzz}
+\def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
+
+\def\infochapter{\parsearg\chapterzzz}
+\def\infosection{\parsearg\sectionzzz}
+\def\infosubsection{\parsearg\subsectionzzz}
+\def\infosubsubsection{\parsearg\subsubsectionzzz}
+
+% These macros control what the section commands do, according
+% to what kind of chapter we are in (ordinary, appendix, or unnumbered).
+% Define them by default for a numbered chapter.
+\global\let\section = \numberedsec
+\global\let\subsection = \numberedsubsec
+\global\let\subsubsection = \numberedsubsubsec
+
+% Define @majorheading, @heading and @subheading
+
+% NOTE on use of \vbox for chapter headings, section headings, and
+% such:
+% 1) We use \vbox rather than the earlier \line to permit
+% overlong headings to fold.
+% 2) \hyphenpenalty is set to 10000 because hyphenation in a
+% heading is obnoxious; this forbids it.
+% 3) Likewise, headings look best if no \parindent is used, and
+% if justification is not attempted. Hence \raggedright.
+
+
+\def\majorheading{\parsearg\majorheadingzzz}
+\def\majorheadingzzz #1{%
+{\advance\chapheadingskip by 10pt \chapbreak }%
+{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+ \parindent=0pt\raggedright
+ \rm #1\hfill}}\bigskip \par\penalty 200}
+
+\def\chapheading{\parsearg\chapheadingzzz}
+\def\chapheadingzzz #1{\chapbreak %
+{\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+ \parindent=0pt\raggedright
+ \rm #1\hfill}}\bigskip \par\penalty 200}
+
+% @heading, @subheading, @subsubheading.
+\def\heading{\parsearg\plainsecheading}
+\def\subheading{\parsearg\plainsubsecheading}
+\def\subsubheading{\parsearg\plainsubsubsecheading}
+
+% These macros generate a chapter, section, etc. heading only
+% (including whitespace, linebreaking, etc. around it),
+% given all the information in convenient, parsed form.
+
+%%% Args are the skip and penalty (usually negative)
+\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
+
+\def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
+
+%%% Define plain chapter starts, and page on/off switching for it
+% Parameter controlling skip before chapter headings (if needed)
+
+\newskip\chapheadingskip
+
+\def\chapbreak{\dobreak \chapheadingskip {-4000}}
+\def\chappager{\par\vfill\supereject}
+\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
+
+\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
+
+\def\CHAPPAGoff{
+\global\let\contentsalignmacro = \chappager
+\global\let\pchapsepmacro=\chapbreak
+\global\let\pagealignmacro=\chappager}
+
+\def\CHAPPAGon{
+\global\let\contentsalignmacro = \chappager
+\global\let\pchapsepmacro=\chappager
+\global\let\pagealignmacro=\chappager
+\global\def\HEADINGSon{\HEADINGSsingle}}
+
+\def\CHAPPAGodd{
+\global\let\contentsalignmacro = \chapoddpage
+\global\let\pchapsepmacro=\chapoddpage
+\global\let\pagealignmacro=\chapoddpage
+\global\def\HEADINGSon{\HEADINGSdouble}}
+
+\CHAPPAGon
+
+\def\CHAPFplain{
+\global\let\chapmacro=\chfplain
+\global\let\unnumbchapmacro=\unnchfplain
+\global\let\centerchapmacro=\centerchfplain}
+
+% Plain chapter opening.
+% #1 is the text, #2 the chapter number or empty if unnumbered.
+\def\chfplain#1#2{%
+ \pchapsepmacro
+ {%
+ \chapfonts \rm
+ \def\chapnum{#2}%
+ \setbox0 = \hbox{#2\ifx\chapnum\empty\else\enspace\fi}%
+ \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
+ \hangindent = \wd0 \centerparametersmaybe
+ \unhbox0 #1\par}%
+ }%
+ \nobreak\bigskip % no page break after a chapter title
+ \nobreak
+}
+
+% Plain opening for unnumbered.
+\def\unnchfplain#1{\chfplain{#1}{}}
+
+% @centerchap -- centered and unnumbered.
+\let\centerparametersmaybe = \relax
+\def\centerchfplain#1{{%
+ \def\centerparametersmaybe{%
+ \advance\rightskip by 3\rightskip
+ \leftskip = \rightskip
+ \parfillskip = 0pt
+ }%
+ \chfplain{#1}{}%
+}}
+
+\CHAPFplain % The default
+
+\def\unnchfopen #1{%
+\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+ \parindent=0pt\raggedright
+ \rm #1\hfill}}\bigskip \par\penalty 10000 %
+}
+
+\def\chfopen #1#2{\chapoddpage {\chapfonts
+\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
+\par\penalty 5000 %
+}
+
+\def\centerchfopen #1{%
+\chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000
+ \parindent=0pt
+ \hfill {\rm #1}\hfill}}\bigskip \par\penalty 10000 %
+}
+
+\def\CHAPFopen{
+\global\let\chapmacro=\chfopen
+\global\let\unnumbchapmacro=\unnchfopen
+\global\let\centerchapmacro=\centerchfopen}
+
+
+% Section titles.
+\newskip\secheadingskip
+\def\secheadingbreak{\dobreak \secheadingskip {-1000}}
+\def\secheading#1#2#3{\sectionheading{sec}{#2.#3}{#1}}
+\def\plainsecheading#1{\sectionheading{sec}{}{#1}}
+
+% Subsection titles.
+\newskip \subsecheadingskip
+\def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
+\def\subsecheading#1#2#3#4{\sectionheading{subsec}{#2.#3.#4}{#1}}
+\def\plainsubsecheading#1{\sectionheading{subsec}{}{#1}}
+
+% Subsubsection titles.
+\let\subsubsecheadingskip = \subsecheadingskip
+\let\subsubsecheadingbreak = \subsecheadingbreak
+\def\subsubsecheading#1#2#3#4#5{\sectionheading{subsubsec}{#2.#3.#4.#5}{#1}}
+\def\plainsubsubsecheading#1{\sectionheading{subsubsec}{}{#1}}
+
+
+% Print any size section title.
+%
+% #1 is the section type (sec/subsec/subsubsec), #2 is the section
+% number (maybe empty), #3 the text.
+\def\sectionheading#1#2#3{%
+ {%
+ \expandafter\advance\csname #1headingskip\endcsname by \parskip
+ \csname #1headingbreak\endcsname
+ }%
+ {%
+ % Switch to the right set of fonts.
+ \csname #1fonts\endcsname \rm
+ %
+ % Only insert the separating space if we have a section number.
+ \def\secnum{#2}%
+ \setbox0 = \hbox{#2\ifx\secnum\empty\else\enspace\fi}%
+ %
+ \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \raggedright
+ \hangindent = \wd0 % zero if no section number
+ \unhbox0 #3}%
+ }%
+ \ifdim\parskip<10pt \nobreak\kern10pt\nobreak\kern-\parskip\fi \nobreak
+}
+
+
+\message{toc printing,}
+% Finish up the main text and prepare to read what we've written
+% to \contentsfile.
+
+\newskip\contentsrightmargin \contentsrightmargin=1in
+\def\startcontents#1{%
+ % If @setchapternewpage on, and @headings double, the contents should
+ % start on an odd page, unlike chapters. Thus, we maintain
+ % \contentsalignmacro in parallel with \pagealignmacro.
+ % From: Torbjorn Granlund <tege@matematik.su.se>
+ \contentsalignmacro
+ \immediate\closeout \contentsfile
+ \ifnum \pageno>0
+ \pageno = -1 % Request roman numbered pages.
+ \fi
+ % Don't need to put `Contents' or `Short Contents' in the headline.
+ % It is abundantly clear what they are.
+ \unnumbchapmacro{#1}\def\thischapter{}%
+ \begingroup % Set up to handle contents files properly.
+ \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
+ \catcode`\^=7 % to see ^^e4 as \"a etc. juha@piuha.ydi.vtt.fi
+ \raggedbottom % Worry more about breakpoints than the bottom.
+ \advance\hsize by -\contentsrightmargin % Don't use the full line length.
+}
+
+
+% Normal (long) toc.
+\outer\def\contents{%
+ \startcontents{\putwordTableofContents}%
+ \input \jobname.toc
+ \endgroup
+ \vfill \eject
+}
+
+% And just the chapters.
+\outer\def\summarycontents{%
+ \startcontents{\putwordShortContents}%
+ %
+ \let\chapentry = \shortchapentry
+ \let\unnumbchapentry = \shortunnumberedentry
+ % We want a true roman here for the page numbers.
+ \secfonts
+ \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl
+ \rm
+ \hyphenpenalty = 10000
+ \advance\baselineskip by 1pt % Open it up a little.
+ \def\secentry ##1##2##3##4{}
+ \def\unnumbsecentry ##1##2{}
+ \def\subsecentry ##1##2##3##4##5{}
+ \def\unnumbsubsecentry ##1##2{}
+ \def\subsubsecentry ##1##2##3##4##5##6{}
+ \def\unnumbsubsubsecentry ##1##2{}
+ \input \jobname.toc
+ \endgroup
+ \vfill \eject
+}
+\let\shortcontents = \summarycontents
+
+% These macros generate individual entries in the table of contents.
+% The first argument is the chapter or section name.
+% The last argument is the page number.
+% The arguments in between are the chapter number, section number, ...
+
+% Chapter-level things, for both the long and short contents.
+\def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
+
+% See comments in \dochapentry re vbox and related settings
+\def\shortchapentry#1#2#3{%
+ \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno{#3}}%
+}
+
+% Typeset the label for a chapter or appendix for the short contents.
+% The arg is, e.g. `Appendix A' for an appendix, or `3' for a chapter.
+% We could simplify the code here by writing out an \appendixentry
+% command in the toc file for appendices, instead of using \chapentry
+% for both, but it doesn't seem worth it.
+\setbox0 = \hbox{\shortcontrm \putwordAppendix }
+\newdimen\shortappendixwidth \shortappendixwidth = \wd0
+
+\def\shortchaplabel#1{%
+ % We typeset #1 in a box of constant width, regardless of the text of
+ % #1, so the chapter titles will come out aligned.
+ \setbox0 = \hbox{#1}%
+ \dimen0 = \ifdim\wd0 > \shortappendixwidth \shortappendixwidth \else 0pt \fi
+ %
+ % This space should be plenty, since a single number is .5em, and the
+ % widest letter (M) is 1em, at least in the Computer Modern fonts.
+ % (This space doesn't include the extra space that gets added after
+ % the label; that gets put in by \shortchapentry above.)
+ \advance\dimen0 by 1.1em
+ \hbox to \dimen0{#1\hfil}%
+}
+
+\def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
+\def\shortunnumberedentry#1#2{\tocentry{#1}{\doshortpageno{#2}}}
+
+% Sections.
+\def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
+\def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
+
+% Subsections.
+\def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
+\def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
+
+% And subsubsections.
+\def\subsubsecentry#1#2#3#4#5#6{%
+ \dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
+\def\unnumbsubsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
+
+% This parameter controls the indentation of the various levels.
+\newdimen\tocindent \tocindent = 3pc
+
+% Now for the actual typesetting. In all these, #1 is the text and #2 is the
+% page number.
+%
+% If the toc has to be broken over pages, we want it to be at chapters
+% if at all possible; hence the \penalty.
+\def\dochapentry#1#2{%
+ \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip
+ \begingroup
+ \chapentryfonts
+ \tocentry{#1}{\dopageno{#2}}%
+ \endgroup
+ \nobreak\vskip .25\baselineskip plus.1\baselineskip
+}
+
+\def\dosecentry#1#2{\begingroup
+ \secentryfonts \leftskip=\tocindent
+ \tocentry{#1}{\dopageno{#2}}%
+\endgroup}
+
+\def\dosubsecentry#1#2{\begingroup
+ \subsecentryfonts \leftskip=2\tocindent
+ \tocentry{#1}{\dopageno{#2}}%
+\endgroup}
+
+\def\dosubsubsecentry#1#2{\begingroup
+ \subsubsecentryfonts \leftskip=3\tocindent
+ \tocentry{#1}{\dopageno{#2}}%
+\endgroup}
+
+% Final typesetting of a toc entry; we use the same \entry macro as for
+% the index entries, but we want to suppress hyphenation here. (We
+% can't do that in the \entry macro, since index entries might consist
+% of hyphenated-identifiers-that-do-not-fit-on-a-line-and-nothing-else.)
+%
+% \turnoffactive is for the sake of @" used for umlauts.
+\def\tocentry#1#2{\begingroup
+ \vskip 0pt plus1pt % allow a little stretch for the sake of nice page breaks
+ \entry{\turnoffactive #1}{\turnoffactive #2}%
+\endgroup}
+
+% Space between chapter (or whatever) number and the title.
+\def\labelspace{\hskip1em \relax}
+
+\def\dopageno#1{{\rm #1}}
+\def\doshortpageno#1{{\rm #1}}
+
+\def\chapentryfonts{\secfonts \rm}
+\def\secentryfonts{\textfonts}
+\let\subsecentryfonts = \textfonts
+\let\subsubsecentryfonts = \textfonts
+
+
+\message{environments,}
+
+% Since these characters are used in examples, it should be an even number of
+% \tt widths. Each \tt character is 1en, so two makes it 1em.
+% Furthermore, these definitions must come after we define our fonts.
+\newbox\dblarrowbox \newbox\longdblarrowbox
+\newbox\pushcharbox \newbox\bullbox
+\newbox\equivbox \newbox\errorbox
+
+%{\tentt
+%\global\setbox\dblarrowbox = \hbox to 1em{\hfil$\Rightarrow$\hfil}
+%\global\setbox\longdblarrowbox = \hbox to 1em{\hfil$\mapsto$\hfil}
+%\global\setbox\pushcharbox = \hbox to 1em{\hfil$\dashv$\hfil}
+%\global\setbox\equivbox = \hbox to 1em{\hfil$\ptexequiv$\hfil}
+% Adapted from the manmac format (p.420 of TeXbook)
+%\global\setbox\bullbox = \hbox to 1em{\kern.15em\vrule height .75ex width .85ex
+% depth .1ex\hfil}
+%}
+
+% @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
+\def\point{$\star$}
+\def\result{\leavevmode\raise.15ex\hbox to 1em{\hfil$\Rightarrow$\hfil}}
+\def\expansion{\leavevmode\raise.1ex\hbox to 1em{\hfil$\mapsto$\hfil}}
+\def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}}
+\def\equiv{\leavevmode\lower.1ex\hbox to 1em{\hfil$\ptexequiv$\hfil}}
+
+% Adapted from the TeXbook's \boxit.
+{\tentt \global\dimen0 = 3em}% Width of the box.
+\dimen2 = .55pt % Thickness of rules
+% The text. (`r' is open on the right, `e' somewhat less so on the left.)
+\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
+
+\global\setbox\errorbox=\hbox to \dimen0{\hfil
+ \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
+ \advance\hsize by -2\dimen2 % Rules.
+ \vbox{
+ \hrule height\dimen2
+ \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
+ \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
+ \kern3pt\vrule width\dimen2}% Space to right.
+ \hrule height\dimen2}
+ \hfil}
+
+% The @error{} command.
+\def\error{\leavevmode\lower.7ex\copy\errorbox}
+
+% @tex ... @end tex escapes into raw Tex temporarily.
+% One exception: @ is still an escape character, so that @end tex works.
+% But \@ or @@ will get a plain tex @ character.
+
+\def\tex{\begingroup
+\catcode `\\=0 \catcode `\{=1 \catcode `\}=2
+\catcode `\$=3 \catcode `\&=4 \catcode `\#=6
+\catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
+\catcode `\%=14
+\catcode 43=12 % plus
+\catcode`\"=12
+\catcode`\==12
+\catcode`\|=12
+\catcode`\<=12
+\catcode`\>=12
+\escapechar=`\\
+%
+\let\,=\ptexcomma
+\let\~=\ptextilde
+\let\{=\ptexlbrace
+\let\}=\ptexrbrace
+\let\.=\ptexdot
+\let\*=\ptexstar
+\let\dots=\ptexdots
+\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}
+\def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}
+\def\@{@}%
+\let\bullet=\ptexbullet
+\let\b=\ptexb \let\c=\ptexc \let\i=\ptexi \let\t=\ptext
+%
+\let\Etex=\endgroup}
+
+% Define @lisp ... @endlisp.
+% @lisp does a \begingroup so it can rebind things,
+% including the definition of @endlisp (which normally is erroneous).
+
+% Amount to narrow the margins by for @lisp.
+\newskip\lispnarrowing \lispnarrowing=0.4in
+
+% This is the definition that ^^M gets inside @lisp, @example, and other
+% such environments. \null is better than a space, since it doesn't
+% have any width.
+\def\lisppar{\null\endgraf}
+
+% Make each space character in the input produce a normal interword
+% space in the output. Don't allow a line break at this space, as this
+% is used only in environments like @example, where each line of input
+% should produce a line of output anyway.
+%
+{\obeyspaces %
+\gdef\sepspaces{\obeyspaces\let =\tie}}
+
+% Define \obeyedspace to be our active space, whatever it is. This is
+% for use in \parsearg.
+{\sepspaces%
+\global\let\obeyedspace= }
+
+% This space is always present above and below environments.
+\newskip\envskipamount \envskipamount = 0pt
+
+% Make spacing and below environment symmetrical. We use \parskip here
+% to help in doing that, since in @example-like environments \parskip
+% is reset to zero; thus the \afterenvbreak inserts no space -- but the
+% start of the next paragraph will insert \parskip
+%
+\def\aboveenvbreak{{\advance\envskipamount by \parskip
+\endgraf \ifdim\lastskip<\envskipamount
+\removelastskip \penalty-50 \vskip\envskipamount \fi}}
+
+\let\afterenvbreak = \aboveenvbreak
+
+% \nonarrowing is a flag. If "set", @lisp etc don't narrow margins.
+\let\nonarrowing=\relax
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \cartouche: draw rectangle w/rounded corners around argument
+\font\circle=lcircle10
+\newdimen\circthick
+\newdimen\cartouter\newdimen\cartinner
+\newskip\normbskip\newskip\normpskip\newskip\normlskip
+\circthick=\fontdimen8\circle
+%
+\def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth
+\def\ctr{{\hskip 6pt\circle\char'010}}
+\def\cbl{{\circle\char'012\hskip -6pt}}
+\def\cbr{{\hskip 6pt\circle\char'011}}
+\def\carttop{\hbox to \cartouter{\hskip\lskip
+ \ctl\leaders\hrule height\circthick\hfil\ctr
+ \hskip\rskip}}
+\def\cartbot{\hbox to \cartouter{\hskip\lskip
+ \cbl\leaders\hrule height\circthick\hfil\cbr
+ \hskip\rskip}}
+%
+\newskip\lskip\newskip\rskip
+
+\long\def\cartouche{%
+\begingroup
+ \lskip=\leftskip \rskip=\rightskip
+ \leftskip=0pt\rightskip=0pt %we want these *outside*.
+ \cartinner=\hsize \advance\cartinner by-\lskip
+ \advance\cartinner by-\rskip
+ \cartouter=\hsize
+ \advance\cartouter by 18pt % allow for 3pt kerns on either
+% side, and for 6pt waste from
+% each corner char
+ \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip
+ % Flag to tell @lisp, etc., not to narrow margin.
+ \let\nonarrowing=\comment
+ \vbox\bgroup
+ \baselineskip=0pt\parskip=0pt\lineskip=0pt
+ \carttop
+ \hbox\bgroup
+ \hskip\lskip
+ \vrule\kern3pt
+ \vbox\bgroup
+ \hsize=\cartinner
+ \kern3pt
+ \begingroup
+ \baselineskip=\normbskip
+ \lineskip=\normlskip
+ \parskip=\normpskip
+ \vskip -\parskip
+\def\Ecartouche{%
+ \endgroup
+ \kern3pt
+ \egroup
+ \kern3pt\vrule
+ \hskip\rskip
+ \egroup
+ \cartbot
+ \egroup
+\endgroup
+}}
+
+
+% This macro is called at the beginning of all the @example variants,
+% inside a group.
+\def\nonfillstart{%
+ \aboveenvbreak
+ \inENV % This group ends at the end of the body
+ \hfuzz = 12pt % Don't be fussy
+ \sepspaces % Make spaces be word-separators rather than space tokens.
+ \singlespace
+ \let\par = \lisppar % don't ignore blank lines
+ \obeylines % each line of input is a line of output
+ \parskip = 0pt
+ \parindent = 0pt
+ \emergencystretch = 0pt % don't try to avoid overfull boxes
+ % @cartouche defines \nonarrowing to inhibit narrowing
+ % at next level down.
+ \ifx\nonarrowing\relax
+ \advance \leftskip by \lispnarrowing
+ \exdentamount=\lispnarrowing
+ \let\exdent=\nofillexdent
+ \let\nonarrowing=\relax
+ \fi
+}
+
+% To ending an @example-like environment, we first end the paragraph
+% (via \afterenvbreak's vertical glue), and then the group. That way we
+% keep the zero \parskip that the environments set -- \parskip glue
+% will be inserted at the beginning of the next paragraph in the
+% document, after the environment.
+%
+\def\nonfillfinish{\afterenvbreak\endgroup}%
+
+% This macro is
+\def\lisp{\begingroup
+ \nonfillstart
+ \let\Elisp = \nonfillfinish
+ \tt
+ \rawbackslash % have \ input char produce \ char from current font
+ \gobble
+}
+
+% Define the \E... control sequence only if we are inside the
+% environment, so the error checking in \end will work.
+%
+% We must call \lisp last in the definition, since it reads the
+% return following the @example (or whatever) command.
+%
+\def\example{\begingroup \def\Eexample{\nonfillfinish\endgroup}\lisp}
+\def\smallexample{\begingroup \def\Esmallexample{\nonfillfinish\endgroup}\lisp}
+\def\smalllisp{\begingroup \def\Esmalllisp{\nonfillfinish\endgroup}\lisp}
+
+% @smallexample and @smalllisp. This is not used unless the @smallbook
+% command is given. Originally contributed by Pavel@xerox.
+%
+\def\smalllispx{\begingroup
+ \nonfillstart
+ \let\Esmalllisp = \nonfillfinish
+ \let\Esmallexample = \nonfillfinish
+ %
+ % Smaller fonts for small examples.
+ \indexfonts \tt
+ \rawbackslash % make \ output the \ character from the current font (tt)
+ \gobble
+}
+
+% This is @display; same as @lisp except use roman font.
+%
+\def\display{\begingroup
+ \nonfillstart
+ \let\Edisplay = \nonfillfinish
+ \gobble
+}
+
+% This is @format; same as @display except don't narrow margins.
+%
+\def\format{\begingroup
+ \let\nonarrowing = t
+ \nonfillstart
+ \let\Eformat = \nonfillfinish
+ \gobble
+}
+
+% @flushleft (same as @format) and @flushright.
+%
+\def\flushleft{\begingroup
+ \let\nonarrowing = t
+ \nonfillstart
+ \let\Eflushleft = \nonfillfinish
+ \gobble
+}
+\def\flushright{\begingroup
+ \let\nonarrowing = t
+ \nonfillstart
+ \let\Eflushright = \nonfillfinish
+ \advance\leftskip by 0pt plus 1fill
+ \gobble}
+
+% @quotation does normal linebreaking (hence we can't use \nonfillstart)
+% and narrows the margins.
+%
+\def\quotation{%
+ \begingroup\inENV %This group ends at the end of the @quotation body
+ {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip
+ \singlespace
+ \parindent=0pt
+ % We have retained a nonzero parskip for the environment, since we're
+ % doing normal filling. So to avoid extra space below the environment...
+ \def\Equotation{\parskip = 0pt \nonfillfinish}%
+ %
+ % @cartouche defines \nonarrowing to inhibit narrowing at next level down.
+ \ifx\nonarrowing\relax
+ \advance\leftskip by \lispnarrowing
+ \advance\rightskip by \lispnarrowing
+ \exdentamount = \lispnarrowing
+ \let\nonarrowing = \relax
+ \fi
+}
+
+\message{defuns,}
+% Define formatter for defuns
+% First, allow user to change definition object font (\df) internally
+\def\setdeffont #1 {\csname DEF#1\endcsname}
+
+\newskip\defbodyindent \defbodyindent=.4in
+\newskip\defargsindent \defargsindent=50pt
+\newskip\deftypemargin \deftypemargin=12pt
+\newskip\deflastargmargin \deflastargmargin=18pt
+
+\newcount\parencount
+% define \functionparens, which makes ( and ) and & do special things.
+% \functionparens affects the group it is contained in.
+\def\activeparens{%
+\catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
+\catcode`\[=\active \catcode`\]=\active}
+
+% Make control sequences which act like normal parenthesis chars.
+\let\lparen = ( \let\rparen = )
+
+{\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
+
+% Be sure that we always have a definition for `(', etc. For example,
+% if the fn name has parens in it, \boldbrax will not be in effect yet,
+% so TeX would otherwise complain about undefined control sequence.
+\global\let(=\lparen \global\let)=\rparen
+\global\let[=\lbrack \global\let]=\rbrack
+
+\gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
+\gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
+% This is used to turn on special parens
+% but make & act ordinary (given that it's active).
+\gdef\boldbraxnoamp{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb\let&=\ampnr}
+
+% Definitions of (, ) and & used in args for functions.
+% This is the definition of ( outside of all parentheses.
+\gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested %
+\global\advance\parencount by 1 }
+%
+% This is the definition of ( when already inside a level of parens.
+\gdef\opnested{\char`\(\global\advance\parencount by 1 }
+%
+\gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
+% also in that case restore the outer-level definition of (.
+\ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
+\global\advance \parencount by -1 }
+% If we encounter &foo, then turn on ()-hacking afterwards
+\gdef\amprm#1 {{\rm\}\let(=\oprm \let)=\clrm\ }
+%
+\gdef\normalparens{\boldbrax\let&=\ampnr}
+} % End of definition inside \activeparens
+%% These parens (in \boldbrax) actually are a little bolder than the
+%% contained text. This is especially needed for [ and ]
+\def\opnr{{\sf\char`\(}} \def\clnr{{\sf\char`\)}} \def\ampnr{\&}
+\def\lbrb{{\bf\char`\[}} \def\rbrb{{\bf\char`\]}}
+
+% First, defname, which formats the header line itself.
+% #1 should be the function name.
+% #2 should be the type of definition, such as "Function".
+
+\def\defname #1#2{%
+% Get the values of \leftskip and \rightskip as they were
+% outside the @def...
+\dimen2=\leftskip
+\advance\dimen2 by -\defbodyindent
+\dimen3=\rightskip
+\advance\dimen3 by -\defbodyindent
+\noindent %
+\setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
+\dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
+\dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
+\parshape 2 0in \dimen0 \defargsindent \dimen1 %
+% Now output arg 2 ("Function" or some such)
+% ending at \deftypemargin from the right margin,
+% but stuck inside a box of width 0 so it does not interfere with linebreaking
+{% Adjust \hsize to exclude the ambient margins,
+% so that \rightline will obey them.
+\advance \hsize by -\dimen2 \advance \hsize by -\dimen3
+\rlap{\rightline{{\rm #2}\hskip \deftypemargin}}}%
+% Make all lines underfull and no complaints:
+\tolerance=10000 \hbadness=10000
+\advance\leftskip by -\defbodyindent
+\exdentamount=\defbodyindent
+{\df #1}\enskip % Generate function name
+}
+
+% Actually process the body of a definition
+% #1 should be the terminating control sequence, such as \Edefun.
+% #2 should be the "another name" control sequence, such as \defunx.
+% #3 should be the control sequence that actually processes the header,
+% such as \defunheader.
+
+\def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
+\parindent=0in
+\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
+\exdentamount=\defbodyindent
+\begingroup %
+\catcode 61=\active % 61 is `='
+\obeylines\activeparens\spacesplit#3}
+
+\def\defmethparsebody #1#2#3#4 {\begingroup\inENV %
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
+\parindent=0in
+\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
+\exdentamount=\defbodyindent
+\begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
+
+\def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2##1 ##2 {\def#4{##1}%
+\begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
+\parindent=0in
+\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
+\exdentamount=\defbodyindent
+\begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
+
+% These parsing functions are similar to the preceding ones
+% except that they do not make parens into active characters.
+% These are used for "variables" since they have no arguments.
+
+\def\defvarparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2{\begingroup\obeylines\spacesplit#3}%
+\parindent=0in
+\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
+\exdentamount=\defbodyindent
+\begingroup %
+\catcode 61=\active %
+\obeylines\spacesplit#3}
+
+% This is used for \def{tp,vr}parsebody. It could probably be used for
+% some of the others, too, with some judicious conditionals.
+%
+\def\parsebodycommon#1#2#3{%
+ \begingroup\inENV %
+ \medbreak %
+ % Define the end token that this defining construct specifies
+ % so that it will exit this group.
+ \def#1{\endgraf\endgroup\medbreak}%
+ \def#2##1 {\begingroup\obeylines\spacesplit{#3{##1}}}%
+ \parindent=0in
+ \advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
+ \exdentamount=\defbodyindent
+ \begingroup\obeylines
+}
+
+\def\defvrparsebody#1#2#3#4 {%
+ \parsebodycommon{#1}{#2}{#3}%
+ \spacesplit{#3{#4}}%
+}
+
+% This loses on `@deftp {Data Type} {struct termios}' -- it thinks the
+% type is just `struct', because we lose the braces in `{struct
+% termios}' when \spacesplit reads its undelimited argument. Sigh.
+% \let\deftpparsebody=\defvrparsebody
+%
+% So, to get around this, we put \empty in with the type name. That
+% way, TeX won't find exactly `{...}' as an undelimited argument, and
+% won't strip off the braces.
+%
+\def\deftpparsebody #1#2#3#4 {%
+ \parsebodycommon{#1}{#2}{#3}%
+ \spacesplit{\parsetpheaderline{#3{#4}}}\empty
+}
+
+% Fine, but then we have to eventually remove the \empty *and* the
+% braces (if any). That's what this does.
+%
+\def\removeemptybraces\empty#1\relax{#1}
+
+% After \spacesplit has done its work, this is called -- #1 is the final
+% thing to call, #2 the type name (which starts with \empty), and #3
+% (which might be empty) the arguments.
+%
+\def\parsetpheaderline#1#2#3{%
+ #1{\removeemptybraces#2\relax}{#3}%
+}%
+
+\def\defopvarparsebody #1#2#3#4#5 {\begingroup\inENV %
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2##1 ##2 {\def#4{##1}%
+\begingroup\obeylines\spacesplit{#3{##2}}}%
+\parindent=0in
+\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
+\exdentamount=\defbodyindent
+\begingroup\obeylines\spacesplit{#3{#5}}}
+
+% Split up #2 at the first space token.
+% call #1 with two arguments:
+% the first is all of #2 before the space token,
+% the second is all of #2 after that space token.
+% If #2 contains no space token, all of it is passed as the first arg
+% and the second is passed as empty.
+
+{\obeylines
+\gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
+\long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
+\ifx\relax #3%
+#1{#2}{}\else #1{#2}{#3#4}\fi}}
+
+% So much for the things common to all kinds of definitions.
+
+% Define @defun.
+
+% First, define the processing that is wanted for arguments of \defun
+% Use this to expand the args and terminate the paragraph they make up
+
+\def\defunargs #1{\functionparens \sl
+% Expand, preventing hyphenation at `-' chars.
+% Note that groups don't affect changes in \hyphenchar.
+\hyphenchar\tensl=0
+#1%
+\hyphenchar\tensl=45
+\ifnum\parencount=0 \else \errmessage{unbalanced parens in @def arguments}\fi%
+\interlinepenalty=10000
+\advance\rightskip by 0pt plus 1fil
+\endgraf\penalty 10000\vskip -\parskip\penalty 10000%
+}
+
+\def\deftypefunargs #1{%
+% Expand, preventing hyphenation at `-' chars.
+% Note that groups don't affect changes in \hyphenchar.
+% Use \boldbraxnoamp, not \functionparens, so that & is not special.
+\boldbraxnoamp
+\tclose{#1}% avoid \code because of side effects on active chars
+\interlinepenalty=10000
+\advance\rightskip by 0pt plus 1fil
+\endgraf\penalty 10000\vskip -\parskip\penalty 10000%
+}
+
+% Do complete processing of one @defun or @defunx line already parsed.
+
+% @deffn Command forward-char nchars
+
+\def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
+
+\def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
+\begingroup\defname {#2}{#1}\defunargs{#3}\endgroup %
+\catcode 61=\other % Turn off change made in \defparsebody
+}
+
+% @defun == @deffn Function
+
+\def\defun{\defparsebody\Edefun\defunx\defunheader}
+
+\def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
+\begingroup\defname {#1}{Function}%
+\defunargs {#2}\endgroup %
+\catcode 61=\other % Turn off change made in \defparsebody
+}
+
+% @deftypefun int foobar (int @var{foo}, float @var{bar})
+
+\def\deftypefun{\defparsebody\Edeftypefun\deftypefunx\deftypefunheader}
+
+% #1 is the data type. #2 is the name and args.
+\def\deftypefunheader #1#2{\deftypefunheaderx{#1}#2 \relax}
+% #1 is the data type, #2 the name, #3 the args.
+\def\deftypefunheaderx #1#2 #3\relax{%
+\doind {fn}{\code{#2}}% Make entry in function index
+\begingroup\defname {\defheaderxcond#1\relax$$$#2}{Function}%
+\deftypefunargs {#3}\endgroup %
+\catcode 61=\other % Turn off change made in \defparsebody
+}
+
+% @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar})
+
+\def\deftypefn{\defmethparsebody\Edeftypefn\deftypefnx\deftypefnheader}
+
+% \defheaderxcond#1\relax$$$
+% puts #1 in @code, followed by a space, but does nothing if #1 is null.
+\def\defheaderxcond#1#2$$${\ifx#1\relax\else\code{#1#2} \fi}
+
+% #1 is the classification. #2 is the data type. #3 is the name and args.
+\def\deftypefnheader #1#2#3{\deftypefnheaderx{#1}{#2}#3 \relax}
+% #1 is the classification, #2 the data type, #3 the name, #4 the args.
+\def\deftypefnheaderx #1#2#3 #4\relax{%
+\doind {fn}{\code{#3}}% Make entry in function index
+\begingroup
+\normalparens % notably, turn off `&' magic, which prevents
+% at least some C++ text from working
+\defname {\defheaderxcond#2\relax$$$#3}{#1}%
+\deftypefunargs {#4}\endgroup %
+\catcode 61=\other % Turn off change made in \defparsebody
+}
+
+% @defmac == @deffn Macro
+
+\def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
+
+\def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
+\begingroup\defname {#1}{Macro}%
+\defunargs {#2}\endgroup %
+\catcode 61=\other % Turn off change made in \defparsebody
+}
+
+% @defspec == @deffn Special Form
+
+\def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
+
+\def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
+\begingroup\defname {#1}{Special Form}%
+\defunargs {#2}\endgroup %
+\catcode 61=\other % Turn off change made in \defparsebody
+}
+
+% This definition is run if you use @defunx
+% anywhere other than immediately after a @defun or @defunx.
+
+\def\deffnx #1 {\errmessage{@deffnx in invalid context}}
+\def\defunx #1 {\errmessage{@defunx in invalid context}}
+\def\defmacx #1 {\errmessage{@defmacx in invalid context}}
+\def\defspecx #1 {\errmessage{@defspecx in invalid context}}
+\def\deftypefnx #1 {\errmessage{@deftypefnx in invalid context}}
+\def\deftypeunx #1 {\errmessage{@deftypeunx in invalid context}}
+
+% @defmethod, and so on
+
+% @defop {Funny Method} foo-class frobnicate argument
+
+\def\defop #1 {\def\defoptype{#1}%
+\defopparsebody\Edefop\defopx\defopheader\defoptype}
+
+\def\defopheader #1#2#3{%
+\dosubind {fn}{\code{#2}}{on #1}% Make entry in function index
+\begingroup\defname {#2}{\defoptype{} on #1}%
+\defunargs {#3}\endgroup %
+}
+
+% @defmethod == @defop Method
+
+\def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
+
+\def\defmethodheader #1#2#3{%
+\dosubind {fn}{\code{#2}}{on #1}% entry in function index
+\begingroup\defname {#2}{Method on #1}%
+\defunargs {#3}\endgroup %
+}
+
+% @defcv {Class Option} foo-class foo-flag
+
+\def\defcv #1 {\def\defcvtype{#1}%
+\defopvarparsebody\Edefcv\defcvx\defcvarheader\defcvtype}
+
+\def\defcvarheader #1#2#3{%
+\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
+\begingroup\defname {#2}{\defcvtype{} of #1}%
+\defvarargs {#3}\endgroup %
+}
+
+% @defivar == @defcv {Instance Variable}
+
+\def\defivar{\defvrparsebody\Edefivar\defivarx\defivarheader}
+
+\def\defivarheader #1#2#3{%
+\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
+\begingroup\defname {#2}{Instance Variable of #1}%
+\defvarargs {#3}\endgroup %
+}
+
+% These definitions are run if you use @defmethodx, etc.,
+% anywhere other than immediately after a @defmethod, etc.
+
+\def\defopx #1 {\errmessage{@defopx in invalid context}}
+\def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
+\def\defcvx #1 {\errmessage{@defcvx in invalid context}}
+\def\defivarx #1 {\errmessage{@defivarx in invalid context}}
+
+% Now @defvar
+
+% First, define the processing that is wanted for arguments of @defvar.
+% This is actually simple: just print them in roman.
+% This must expand the args and terminate the paragraph they make up
+\def\defvarargs #1{\normalparens #1%
+\interlinepenalty=10000
+\endgraf\penalty 10000\vskip -\parskip\penalty 10000}
+
+% @defvr Counter foo-count
+
+\def\defvr{\defvrparsebody\Edefvr\defvrx\defvrheader}
+
+\def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
+\begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
+
+% @defvar == @defvr Variable
+
+\def\defvar{\defvarparsebody\Edefvar\defvarx\defvarheader}
+
+\def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
+\begingroup\defname {#1}{Variable}%
+\defvarargs {#2}\endgroup %
+}
+
+% @defopt == @defvr {User Option}
+
+\def\defopt{\defvarparsebody\Edefopt\defoptx\defoptheader}
+
+\def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
+\begingroup\defname {#1}{User Option}%
+\defvarargs {#2}\endgroup %
+}
+
+% @deftypevar int foobar
+
+\def\deftypevar{\defvarparsebody\Edeftypevar\deftypevarx\deftypevarheader}
+
+% #1 is the data type. #2 is the name, perhaps followed by text that
+% is actually part of the data type, which should not be put into the index.
+\def\deftypevarheader #1#2{%
+\dovarind#2 \relax% Make entry in variables index
+\begingroup\defname {\defheaderxcond#1\relax$$$#2}{Variable}%
+\interlinepenalty=10000
+\endgraf\penalty 10000\vskip -\parskip\penalty 10000
+\endgroup}
+\def\dovarind#1 #2\relax{\doind{vr}{\code{#1}}}
+
+% @deftypevr {Global Flag} int enable
+
+\def\deftypevr{\defvrparsebody\Edeftypevr\deftypevrx\deftypevrheader}
+
+\def\deftypevrheader #1#2#3{\dovarind#3 \relax%
+\begingroup\defname {\defheaderxcond#2\relax$$$#3}{#1}
+\interlinepenalty=10000
+\endgraf\penalty 10000\vskip -\parskip\penalty 10000
+\endgroup}
+
+% This definition is run if you use @defvarx
+% anywhere other than immediately after a @defvar or @defvarx.
+
+\def\defvrx #1 {\errmessage{@defvrx in invalid context}}
+\def\defvarx #1 {\errmessage{@defvarx in invalid context}}
+\def\defoptx #1 {\errmessage{@defoptx in invalid context}}
+\def\deftypevarx #1 {\errmessage{@deftypevarx in invalid context}}
+\def\deftypevrx #1 {\errmessage{@deftypevrx in invalid context}}
+
+% Now define @deftp
+% Args are printed in bold, a slight difference from @defvar.
+
+\def\deftpargs #1{\bf \defvarargs{#1}}
+
+% @deftp Class window height width ...
+
+\def\deftp{\deftpparsebody\Edeftp\deftpx\deftpheader}
+
+\def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
+\begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
+
+% This definition is run if you use @deftpx, etc
+% anywhere other than immediately after a @deftp, etc.
+
+\def\deftpx #1 {\errmessage{@deftpx in invalid context}}
+
+
+\message{cross reference,}
+% Define cross-reference macros
+\newwrite \auxfile
+
+\newif\ifhavexrefs % True if xref values are known.
+\newif\ifwarnedxrefs % True if we warned once that they aren't known.
+
+% @inforef is simple.
+\def\inforef #1{\inforefzzz #1,,,,**}
+\def\inforefzzz #1,#2,#3,#4**{\putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}},
+ node \samp{\ignorespaces#1{}}}
+
+% \setref{foo} defines a cross-reference point named foo.
+
+\def\setref#1{%
+\dosetq{#1-title}{Ytitle}%
+\dosetq{#1-pg}{Ypagenumber}%
+\dosetq{#1-snt}{Ysectionnumberandtype}}
+
+\def\unnumbsetref#1{%
+\dosetq{#1-title}{Ytitle}%
+\dosetq{#1-pg}{Ypagenumber}%
+\dosetq{#1-snt}{Ynothing}}
+
+\def\appendixsetref#1{%
+\dosetq{#1-title}{Ytitle}%
+\dosetq{#1-pg}{Ypagenumber}%
+\dosetq{#1-snt}{Yappendixletterandtype}}
+
+% \xref, \pxref, and \ref generate cross-references to specified points.
+% For \xrefX, #1 is the node name, #2 the name of the Info
+% cross-reference, #3 the printed node name, #4 the name of the Info
+% file, #5 the name of the printed manual. All but the node name can be
+% omitted.
+%
+\def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]}
+\def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]}
+\def\ref#1{\xrefX[#1,,,,,,,]}
+\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup
+ \def\printedmanual{\ignorespaces #5}%
+ \def\printednodename{\ignorespaces #3}%
+ \setbox1=\hbox{\printedmanual}%
+ \setbox0=\hbox{\printednodename}%
+ \ifdim \wd0 = 0pt
+ % No printed node name was explicitly given.
+ \expandafter\ifx\csname SETxref-automatic-section-title\endcsname\relax
+ % Use the node name inside the square brackets.
+ \def\printednodename{\ignorespaces #1}%
+ \else
+ % Use the actual chapter/section title appear inside
+ % the square brackets. Use the real section title if we have it.
+ \ifdim \wd1>0pt%
+ % It is in another manual, so we don't have it.
+ \def\printednodename{\ignorespaces #1}%
+ \else
+ \ifhavexrefs
+ % We know the real title if we have the xref values.
+ \def\printednodename{\refx{#1-title}{}}%
+ \else
+ % Otherwise just copy the Info node name.
+ \def\printednodename{\ignorespaces #1}%
+ \fi%
+ \fi
+ \fi
+ \fi
+ %
+ % If we use \unhbox0 and \unhbox1 to print the node names, TeX does not
+ % insert empty discretionaries after hyphens, which means that it will
+ % not find a line break at a hyphen in a node names. Since some manuals
+ % are best written with fairly long node names, containing hyphens, this
+ % is a loss. Therefore, we give the text of the node name again, so it
+ % is as if TeX is seeing it for the first time.
+ \ifdim \wd1 > 0pt
+ \putwordsection{} ``\printednodename'' in \cite{\printedmanual}%
+ \else
+ % _ (for example) has to be the character _ for the purposes of the
+ % control sequence corresponding to the node, but it has to expand
+ % into the usual \leavevmode...\vrule stuff for purposes of
+ % printing. So we \turnoffactive for the \refx-snt, back on for the
+ % printing, back off for the \refx-pg.
+ {\turnoffactive \refx{#1-snt}{}}%
+ \space [\printednodename],\space
+ \turnoffactive \putwordpage\tie\refx{#1-pg}{}%
+ \fi
+\endgroup}
+
+% \dosetq is the interface for calls from other macros
+
+% Use \turnoffactive so that punctuation chars such as underscore
+% work in node names.
+\def\dosetq #1#2{{\let\folio=0 \turnoffactive
+\edef\next{\write\auxfile{\internalsetq {#1}{#2}}}%
+\next}}
+
+% \internalsetq {foo}{page} expands into
+% CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
+% When the aux file is read, ' is the escape character
+
+\def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
+
+% Things to be expanded by \internalsetq
+
+\def\Ypagenumber{\folio}
+
+\def\Ytitle{\thissection}
+
+\def\Ynothing{}
+
+\def\Ysectionnumberandtype{%
+\ifnum\secno=0 \putwordChapter\xreftie\the\chapno %
+\else \ifnum \subsecno=0 \putwordSection\xreftie\the\chapno.\the\secno %
+\else \ifnum \subsubsecno=0 %
+\putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno %
+\else %
+\putwordSection\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
+\fi \fi \fi }
+
+\def\Yappendixletterandtype{%
+\ifnum\secno=0 \putwordAppendix\xreftie'char\the\appendixno{}%
+\else \ifnum \subsecno=0 \putwordSection\xreftie'char\the\appendixno.\the\secno %
+\else \ifnum \subsubsecno=0 %
+\putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno %
+\else %
+\putwordSection\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno %
+\fi \fi \fi }
+
+\gdef\xreftie{'tie}
+
+% Use TeX 3.0's \inputlineno to get the line number, for better error
+% messages, but if we're using an old version of TeX, don't do anything.
+%
+\ifx\inputlineno\thisisundefined
+ \let\linenumber = \empty % Non-3.0.
+\else
+ \def\linenumber{\the\inputlineno:\space}
+\fi
+
+% Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
+% If its value is nonempty, SUFFIX is output afterward.
+
+\def\refx#1#2{%
+ \expandafter\ifx\csname X#1\endcsname\relax
+ % If not defined, say something at least.
+ $\langle$un\-de\-fined$\rangle$%
+ \ifhavexrefs
+ \message{\linenumber Undefined cross reference `#1'.}%
+ \else
+ \ifwarnedxrefs\else
+ \global\warnedxrefstrue
+ \message{Cross reference values unknown; you must run TeX again.}%
+ \fi
+ \fi
+ \else
+ % It's defined, so just use it.
+ \csname X#1\endcsname
+ \fi
+ #2% Output the suffix in any case.
+}
+
+% This is the macro invoked by entries in the aux file.
+\def\xrdef #1#2{{%
+ \catcode`\'=\other
+ \expandafter\gdef\csname X#1\endcsname{#2}%
+}}
+
+% Read the last existing aux file, if any. No error if none exists.
+\def\readauxfile{\begingroup
+ \catcode`\^^@=\other
+ \catcode`\\ 1=\other
+ \catcode`\\ 2=\other
+ \catcode`\^^C=\other
+ \catcode`\^^D=\other
+ \catcode`\^^E=\other
+ \catcode`\^^F=\other
+ \catcode`\^^G=\other
+ \catcode`\^^H=\other
+ \catcode`\\v=\other
+ \catcode`\^^L=\other
+ \catcode`\\ e=\other
+ \catcode`\\ f=\other
+ \catcode`\\10=\other
+ \catcode`\\11=\other
+ \catcode`\\12=\other
+ \catcode`\\13=\other
+ \catcode`\\14=\other
+ \catcode`\\15=\other
+ \catcode`\\16=\other
+ \catcode`\\17=\other
+ \catcode`\\18=\other
+ \catcode`\\19=\other
+ \catcode26=\other
+ \catcode`\^^[=\other
+ \catcode`\^^\=\other
+ \catcode`\^^]=\other
+ \catcode`\^^^=\other
+ \catcode`\^^_=\other
+ \catcode`\@=\other
+ \catcode`\^=\other
+ % It was suggested to define this as 7, which would allow ^^e4 etc.
+ % in xref tags, i.e., node names. But since ^^e4 notation isn't
+ % supported in the main text, it doesn't seem desirable. Furthermore,
+ % that is not enough: for node names that actually contain a ^
+ % character, we would end up writing a line like this: 'xrdef {'hat
+ % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first
+ % argument, and \hat is not an expandable control sequence. It could
+ % all be worked out, but why? Either we support ^^ or we don't.
+ %
+ % The other change necessary for this was to define \auxhat:
+ % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter
+ % and then to call \auxhat in \setq.
+ %
+ \catcode`\~=\other
+ \catcode`\[=\other
+ \catcode`\]=\other
+ \catcode`\"=\other
+ \catcode`\_=\other
+ \catcode`\|=\other
+ \catcode`\<=\other
+ \catcode`\>=\other
+ \catcode`\$=\other
+ \catcode`\#=\other
+ \catcode`\&=\other
+ % `\+ does not work, so use 43.
+ \catcode43=\other
+ % Make the characters 128-255 be printing characters
+ {%
+ \count 1=128
+ \def\loop{%
+ \catcode\count 1=\other
+ \advance\count 1 by 1
+ \ifnum \count 1<256 \loop \fi
+ }%
+ }%
+ % The aux file uses ' as the escape (for now).
+ % Turn off \ as an escape so we do not lose on
+ % entries which were dumped with control sequences in their names.
+ % For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
+ % Reference to such entries still does not work the way one would wish,
+ % but at least they do not bomb out when the aux file is read in.
+ \catcode`\{=1
+ \catcode`\}=2
+ \catcode`\%=\other
+ \catcode`\'=0
+ \catcode`\\=\other
+ %
+ \openin 1 \jobname.aux
+ \ifeof 1 \else
+ \closein 1
+ \input \jobname.aux
+ \global\havexrefstrue
+ \global\warnedobstrue
+ \fi
+ % Open the new aux file. TeX will close it automatically at exit.
+ \openout\auxfile=\jobname.aux
+\endgroup}
+
+
+% Footnotes.
+
+\newcount \footnoteno
+
+% The trailing space in the following definition for supereject is
+% vital for proper filling; pages come out unaligned when you do a
+% pagealignmacro call if that space before the closing brace is
+% removed. (Generally, numeric constants should always be followed by a
+% space to prevent strange expansion errors.)
+\def\supereject{\par\penalty -20000\footnoteno =0 }
+
+% @footnotestyle is meaningful for info output only..
+\let\footnotestyle=\comment
+
+\let\ptexfootnote=\footnote
+
+{\catcode `\@=11
+%
+% Auto-number footnotes. Otherwise like plain.
+\gdef\footnote{%
+ \global\advance\footnoteno by \@ne
+ \edef\thisfootno{$^{\the\footnoteno}$}%
+ %
+ % In case the footnote comes at the end of a sentence, preserve the
+ % extra spacing after we do the footnote number.
+ \let\@sf\empty
+ \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
+ %
+ % Remove inadvertent blank space before typesetting the footnote number.
+ \unskip
+ \thisfootno\@sf
+ \footnotezzz
+}%
+
+% Don't bother with the trickery in plain.tex to not require the
+% footnote text as a parameter. Our footnotes don't need to be so general.
+%
+% Oh yes, they do; otherwise, @ifset and anything else that uses
+% \parseargline fail inside footnotes because the tokens are fixed when
+% the footnote is read. --karl, 16nov96.
+%
+\long\gdef\footnotezzz{\insert\footins\bgroup
+ % We want to typeset this text as a normal paragraph, even if the
+ % footnote reference occurs in (for example) a display environment.
+ % So reset some parameters.
+ \interlinepenalty\interfootnotelinepenalty
+ \splittopskip\ht\strutbox % top baseline for broken footnotes
+ \splitmaxdepth\dp\strutbox
+ \floatingpenalty\@MM
+ \leftskip\z@skip
+ \rightskip\z@skip
+ \spaceskip\z@skip
+ \xspaceskip\z@skip
+ \parindent\defaultparindent
+ %
+ % Hang the footnote text off the number.
+ \hang
+ \textindent{\thisfootno}%
+ %
+ % Don't crash into the line above the footnote text. Since this
+ % expands into a box, it must come within the paragraph, lest it
+ % provide a place where TeX can split the footnote.
+ \footstrut
+ \futurelet\next\fo@t
+}
+\def\fo@t{\ifcat\bgroup\noexpand\next \let\next\f@@t
+ \else\let\next\f@t\fi \next}
+\def\f@@t{\bgroup\aftergroup\@foot\let\next}
+\def\f@t#1{#1\@foot}
+\def\@foot{\strut\egroup}
+
+}%end \catcode `\@=11
+
+% Set the baselineskip to #1, and the lineskip and strut size
+% correspondingly. There is no deep meaning behind these magic numbers
+% used as factors; they just match (closely enough) what Knuth defined.
+%
+\def\lineskipfactor{.08333}
+\def\strutheightpercent{.70833}
+\def\strutdepthpercent {.29167}
+%
+\def\setleading#1{%
+ \normalbaselineskip = #1\relax
+ \normallineskip = \lineskipfactor\normalbaselineskip
+ \normalbaselines
+ \setbox\strutbox =\hbox{%
+ \vrule width0pt height\strutheightpercent\baselineskip
+ depth \strutdepthpercent \baselineskip
+ }%
+}
+
+% @| inserts a changebar to the left of the current line. It should
+% surround any changed text. This approach does *not* work if the
+% change spans more than two lines of output. To handle that, we would
+% have adopt a much more difficult approach (putting marks into the main
+% vertical list for the beginning and end of each change).
+%
+\def\|{%
+ % \vadjust can only be used in horizontal mode.
+ \leavevmode
+ %
+ % Append this vertical mode material after the current line in the output.
+ \vadjust{%
+ % We want to insert a rule with the height and depth of the current
+ % leading; that is exactly what \strutbox is supposed to record.
+ \vskip-\baselineskip
+ %
+ % \vadjust-items are inserted at the left edge of the type. So
+ % the \llap here moves out into the left-hand margin.
+ \llap{%
+ %
+ % For a thicker or thinner bar, change the `1pt'.
+ \vrule height\baselineskip width1pt
+ %
+ % This is the space between the bar and the text.
+ \hskip 12pt
+ }%
+ }%
+}
+
+% For a final copy, take out the rectangles
+% that mark overfull boxes (in case you have decided
+% that the text looks ok even though it passes the margin).
+%
+\def\finalout{\overfullrule=0pt}
+
+
+% End of control word definitions.
+
+\message{and turning on texinfo input format.}
+
+\def\openindices{%
+ \newindex{cp}%
+ \newcodeindex{fn}%
+ \newcodeindex{vr}%
+ \newcodeindex{tp}%
+ \newcodeindex{ky}%
+ \newcodeindex{pg}%
+}
+
+% Set some numeric style parameters, for 8.5 x 11 format.
+
+\hsize = 6in
+\hoffset = .25in
+\newdimen\defaultparindent \defaultparindent = 15pt
+\parindent = \defaultparindent
+\parskip 3pt plus 2pt minus 1pt
+\setleading{13.2pt}
+\advance\topskip by 1.2cm
+
+\chapheadingskip = 15pt plus 4pt minus 2pt
+\secheadingskip = 12pt plus 3pt minus 2pt
+\subsecheadingskip = 9pt plus 2pt minus 2pt
+
+% Prevent underfull vbox error messages.
+\vbadness=10000
+
+% Following George Bush, just get rid of widows and orphans.
+\widowpenalty=10000
+\clubpenalty=10000
+
+% Use TeX 3.0's \emergencystretch to help line breaking, but if we're
+% using an old version of TeX, don't do anything. We want the amount of
+% stretch added to depend on the line length, hence the dependence on
+% \hsize. This makes it come to about 9pt for the 8.5x11 format.
+%
+\ifx\emergencystretch\thisisundefined
+ % Allow us to assign to \emergencystretch anyway.
+ \def\emergencystretch{\dimen0}%
+\else
+ \emergencystretch = \hsize
+ \divide\emergencystretch by 45
+\fi
+
+% Use @smallbook to reset parameters for 7x9.5 format (or else 7x9.25)
+\def\smallbook{
+ \global\chapheadingskip = 15pt plus 4pt minus 2pt
+ \global\secheadingskip = 12pt plus 3pt minus 2pt
+ \global\subsecheadingskip = 9pt plus 2pt minus 2pt
+ %
+ \global\lispnarrowing = 0.3in
+ \setleading{12pt}
+ \advance\topskip by -1cm
+ \global\parskip 2pt plus 1pt
+ \global\hsize = 5in
+ \global\vsize=7.5in
+ \global\tolerance=700
+ \global\hfuzz=1pt
+ \global\contentsrightmargin=0pt
+ \global\deftypemargin=0pt
+ \global\defbodyindent=.5cm
+ %
+ \global\pagewidth=\hsize
+ \global\pageheight=\vsize
+ %
+ \global\let\smalllisp=\smalllispx
+ \global\let\smallexample=\smalllispx
+ \global\def\Esmallexample{\Esmalllisp}
+}
+
+% Use @afourpaper to print on European A4 paper.
+\def\afourpaper{
+\global\tolerance=700
+\global\hfuzz=1pt
+\setleading{12pt}
+\global\parskip 15pt plus 1pt
+
+\global\vsize= 53\baselineskip
+\advance\vsize by \topskip
+%\global\hsize= 5.85in % A4 wide 10pt
+\global\hsize= 6.5in
+\global\outerhsize=\hsize
+\global\advance\outerhsize by 0.5in
+\global\outervsize=\vsize
+\global\advance\outervsize by 0.6in
+
+\global\pagewidth=\hsize
+\global\pageheight=\vsize
+}
+
+\bindingoffset=0pt
+\normaloffset=\hoffset
+\pagewidth=\hsize
+\pageheight=\vsize
+
+% Allow control of the text dimensions. Parameters in order: textheight;
+% textwidth; voffset; hoffset; binding offset; topskip.
+% All require a dimension;
+% header is additional; added length extends the bottom of the page.
+
+\def\changepagesizes#1#2#3#4#5#6{
+ \global\vsize= #1
+ \global\topskip= #6
+ \advance\vsize by \topskip
+ \global\voffset= #3
+ \global\hsize= #2
+ \global\outerhsize=\hsize
+ \global\advance\outerhsize by 0.5in
+ \global\outervsize=\vsize
+ \global\advance\outervsize by 0.6in
+ \global\pagewidth=\hsize
+ \global\pageheight=\vsize
+ \global\normaloffset= #4
+ \global\bindingoffset= #5}
+
+% A specific text layout, 24x15cm overall, intended for A4 paper. Top margin
+% 29mm, hence bottom margin 28mm, nominal side margin 3cm.
+\def\afourlatex
+ {\global\tolerance=700
+ \global\hfuzz=1pt
+ \setleading{12pt}
+ \global\parskip 15pt plus 1pt
+ \advance\baselineskip by 1.6pt
+ \changepagesizes{237mm}{150mm}{3.6mm}{3.6mm}{3mm}{7mm}
+ }
+
+% Use @afourwide to print on European A4 paper in wide format.
+\def\afourwide{\afourpaper
+\changepagesizes{9.5in}{6.5in}{\hoffset}{\normaloffset}{\bindingoffset}{7mm}}
+
+% Define macros to output various characters with catcode for normal text.
+\catcode`\"=\other
+\catcode`\~=\other
+\catcode`\^=\other
+\catcode`\_=\other
+\catcode`\|=\other
+\catcode`\<=\other
+\catcode`\>=\other
+\catcode`\+=\other
+\def\normaldoublequote{"}
+\def\normaltilde{~}
+\def\normalcaret{^}
+\def\normalunderscore{_}
+\def\normalverticalbar{|}
+\def\normalless{<}
+\def\normalgreater{>}
+\def\normalplus{+}
+
+% This macro is used to make a character print one way in ttfont
+% where it can probably just be output, and another way in other fonts,
+% where something hairier probably needs to be done.
+%
+% #1 is what to print if we are indeed using \tt; #2 is what to print
+% otherwise. Since all the Computer Modern typewriter fonts have zero
+% interword stretch (and shrink), and it is reasonable to expect all
+% typewriter fonts to have this, we can check that font parameter.
+%
+\def\ifusingtt#1#2{\ifdim \fontdimen3\the\font=0pt #1\else #2\fi}
+
+% Turn off all special characters except @
+% (and those which the user can use as if they were ordinary).
+% Most of these we simply print from the \tt font, but for some, we can
+% use math or other variants that look better in normal text.
+
+\catcode`\"=\active
+\def\activedoublequote{{\tt \char '042}}
+\let"=\activedoublequote
+\catcode`\~=\active
+\def~{{\tt \char '176}}
+\chardef\hat=`\^
+\catcode`\^=\active
+\def^{{\tt \hat}}
+
+\catcode`\_=\active
+\def_{\ifusingtt\normalunderscore\_}
+% Subroutine for the previous macro.
+\def\_{\leavevmode \kern.06em \vbox{\hrule width.3em height.1ex}}
+
+\catcode`\|=\active
+\def|{{\tt \char '174}}
+\chardef \less=`\<
+\catcode`\<=\active
+\def<{{\tt \less}}
+\chardef \gtr=`\>
+\catcode`\>=\active
+\def>{{\tt \gtr}}
+\catcode`\+=\active
+\def+{{\tt \char 43}}
+%\catcode 27=\active
+%\def^^[{$\diamondsuit$}
+
+% Set up an active definition for =, but don't enable it most of the time.
+{\catcode`\==\active
+\global\def={{\tt \char 61}}}
+
+\catcode`+=\active
+\catcode`\_=\active
+
+% If a .fmt file is being used, characters that might appear in a file
+% name cannot be active until we have parsed the command line.
+% So turn them off again, and have \everyjob (or @setfilename) turn them on.
+% \otherifyactive is called near the end of this file.
+\def\otherifyactive{\catcode`+=\other \catcode`\_=\other}
+
+\catcode`\@=0
+
+% \rawbackslashxx output one backslash character in current font
+\global\chardef\rawbackslashxx=`\\
+%{\catcode`\\=\other
+%@gdef@rawbackslashxx{\}}
+
+% \rawbackslash redefines \ as input to do \rawbackslashxx.
+{\catcode`\\=\active
+@gdef@rawbackslash{@let\=@rawbackslashxx }}
+
+% \normalbackslash outputs one backslash in fixed width font.
+\def\normalbackslash{{\tt\rawbackslashxx}}
+
+% Say @foo, not \foo, in error messages.
+\escapechar=`\@
+
+% \catcode 17=0 % Define control-q
+\catcode`\\=\active
+
+% Used sometimes to turn off (effectively) the active characters
+% even after parsing them.
+@def@turnoffactive{@let"=@normaldoublequote
+@let\=@realbackslash
+@let~=@normaltilde
+@let^=@normalcaret
+@let_=@normalunderscore
+@let|=@normalverticalbar
+@let<=@normalless
+@let>=@normalgreater
+@let+=@normalplus}
+
+@def@normalturnoffactive{@let"=@normaldoublequote
+@let\=@normalbackslash
+@let~=@normaltilde
+@let^=@normalcaret
+@let_=@normalunderscore
+@let|=@normalverticalbar
+@let<=@normalless
+@let>=@normalgreater
+@let+=@normalplus}
+
+% Make _ and + \other characters, temporarily.
+% This is canceled by @fixbackslash.
+@otherifyactive
+
+% If a .fmt file is being used, we don't want the `\input texinfo' to show up.
+% That is what \eatinput is for; after that, the `\' should revert to printing
+% a backslash.
+%
+@gdef@eatinput input texinfo{@fixbackslash}
+@global@let\ = @eatinput
+
+% On the other hand, perhaps the file did not have a `\input texinfo'. Then
+% the first `\{ in the file would cause an error. This macro tries to fix
+% that, assuming it is called before the first `\' could plausibly occur.
+% Also back turn on active characters that might appear in the input
+% file name, in case not using a pre-dumped format.
+%
+@gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi
+ @catcode`+=@active @catcode`@_=@active}
+
+%% These look ok in all fonts, so just make them not special. The @rm below
+%% makes sure that the current font starts out as the newly loaded cmr10
+@catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
+
+@textfonts
+@rm
+
+@c Local variables:
+@c page-delimiter: "^\\\\message"
+@c End:
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Tue Mar 11 10:31:47 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * icount.c: New file which implements an inode count abstraction.
+ This significantly reduces amount of memory needed to
+ check really large filesystems.
+
+ * pass1.c, pass2.c, pass3.c, pass4.c: Modified to use the icount
+ abstraction.
+
+Fri Mar 7 08:28:55 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * dirinfo.c (dir_info_iter): New function which allows iteration
+ over the directories in the dir_info map.
+
+ * pass3.c (pass3, check_directory): Speed up pass 3 by iterating
+ over all directories in the dir_info structure, instead of
+ iterating all inodes looking for directories, and then
+ looking up the directories using get_dir_info().
+
+Sat Feb 1 11:33:43 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * pass1.c (pass1, process_block):
+ * pass2.c (pass2): Use the ext2_dblist abstraction instead of
+ manual code to manage the directory block list information.
+
+ * pass1.c (check_blocks), pass1b.c (pass1b), pass2.c
+ (deallocate_inode): Call the ext2 library routine
+ ext2_inode_has_valid_blocks() instead of
+ inode_has_valid_blocks().
+
+ * swapfs.c (swap_inodes): Add check so that we don't try to call
+ swap_inode_blocks unless the inode has valid blocks.
+ (Otherwise a long fast symlink might cause
+ swap_inode_blocks to erroneously get called.)
+
+Wed Jan 22 14:42:53 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * problem.c, problem.h: Added entries for PR_2_DOT_NULL_TERM and
+ PR_2_DOT_DOT_NULL_TERM.
+
+ * pass2.c (check_dot, check_dot_dot): Make sure the new . and
+ .. entries are null-terminated, since the 2.0 kernel
+ requires this (for no good reason).
+
+Mon Jan 20 20:05:11 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * pass1.c (pass1): Set the EXT2_SF_SKIP_MISSING_ITABLE flag so
+ that we can recover from missing inode tables.
+
+ * dirinfo.c (get_dir_info): If there are no directories in the
+ dir_info abstraction, don't core dump (because dir_info is
+ NULL).
+
+ * e2fsck.c (main): Don't try using the backup superblocks if there
+ aren't any.
+ (check_super_block): If there are illegal inode table or
+ bitmaps, set the filesystem as being in error.
+
+Wed Jan 15 11:32:01 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * pass2.c (check_dir_block): Added check to make sure that rec_len
+ is a a multiple of 4 (so that the directory entries are
+ 4-byte aligned).
+
+Sat Dec 28 12:16:32 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Makefile.in (uninstall): Uninstall all programs in the PROGS
+ line.
+ (PROGS): Don't build and install the extend program by
+ default.
+
+
+Sat Dec 7 16:41:02 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * pass1.c (process_inodes): Make sure the stashed_ino variable is
+ saved and restored as well.
+ (pass1): For fast sym links, skip the check_blocks
+ processing step altogether.
+
+Mon Dec 2 09:28:24 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * problem.c, message.c: New files, to completely refurbish how
+ filesystem problems are reported to the user. The
+ diagnostic messages are now encoded out in an easily
+ customizable, extensible format. The messages printed out
+ in preen mode are all on one line, and contain the device
+ name.
+
+Fri Nov 29 20:26:08 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * swapfs.c (swap_inodes): When swapping a filesystem, ignore
+ deleted files.
+
+ * pass1.c (pass1): Ignore missing inode table errors during the
+ scan, and just skip past those inodes.
+
+ * pass3.c (check_root): Remove root_ino argument, and assume that
+ the root inode must be EXT2_ROOT_INO. Move responsibility
+ of setting the parent of the root inode in the directory
+ inode structure to pass2().
+
+ * pass2.c (check_dir_block): Don't allow links to the root
+ directory.
+
+ * dirinfo.c (add_dir_info): Remove last argument to add_dir_info,
+ since the inode is no longer used.
+
+Tue Oct 15 00:06:49 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * e2fsck.c (main): If the superblock magic number is wrong, or the
+ block group fails a sanity check, then automatically
+ restart trying to use the backup superblocks.
+
+ * pass1.c (mark_table_blocks): Make the inode tables ahead of
+ everything else; in the case where a bitmap block overlays
+ the inode table, the inode table should take precedence.
+
+ * pass2.c (maybe_clear_entry): Make the deleted/unused error
+ message fit on one line, since the error can happen during
+ a preen pass. (We eventually need to revamp the whole
+ e2fsck error reporting and prompting system, but that's a
+ job for another day.)
+
+Mon Oct 14 22:29:49 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * e2fsck.c (main): Read in the list badblocks into fs->badblocks
+ for the benefit of the inode scan functions.
+
+ * pass1.c (pass1): If ext2fs_get_next_inode() returns an error
+ indicating that an inode is in a bad block, mark that
+ inode as being used, as well as in the inode "bb" map.
+
+ * pass2.c (maybe_clear_entry): New function which generalizes the
+ error cases when a directory entry needs to be cleared.
+ (check_dir_block): If an inode is in the "bb" map, offer
+ to clear the directory entry, since the inode is in a bad
+ block.
+
+ * pass4.c (pass4): If an inode is marked as used, but is is marked
+ in the "bb" map, don't process it as a disconnected inode.
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Mon Oct 7 00:45:30 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* e2fsck.c (main): Print out the version number of the shared
@MCONFIG@
-PROGS= e2fsck extend @EXTRA_PROGS@
+PROGS= e2fsck @EXTRA_PROGS@
MANPAGES= e2fsck.8
LIBS= $(LIBEXT2FS) $(LIBCOM_ERR) $(LIBUUID)
.c.o:
$(CC) -c $(ALL_CFLAGS) $< -o $@
-@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -pg -o profiled/$*.o -c $<
+@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
#
# Flags for using Checker
#MCHECK= -DMCHECK
OBJS= e2fsck.o pass1.o pass1b.o pass2.o pass3.o pass4.o pass5.o \
- swapfs.o badblocks.o util.o dirinfo.o ehandler.o $(MTRACE_OBJ)
+ swapfs.o badblocks.o util.o dirinfo.o ehandler.o problem.o message.o \
+ $(MTRACE_OBJ)
PROFILED_OBJS= profiled/e2fsck.o profiled/pass1.o profiled/pass1b.o \
profiled/pass2.o profiled/pass3.o profiled/pass4.o profiled/pass5.o \
profiled/badblocks.o profiled/util.o profiled/dirinfo.o \
- profiled/ehandler.o profiled/swapfs.o
+ profiled/ehandler.o profiled/message.o profiled/problem.o \
+ profiled/swapfs.o
SRCS= $(srcdir)/e2fsck.c \
$(srcdir)/pass1.c \
$(srcdir)/util.c \
$(srcdir)/dirinfo.c \
$(srcdir)/ehandler.c \
+ $(srcdir)/problem.c \
$(MTRACE_SRC)
all:: profiled $(PROGS) e2fsck.static e2fsck.shared $(MANPAGES)
e2fsck.shared: $(OBJS) $(DEPLIBS)
$(LD) $(ALL_LDFLAGS) -o e2fsck.shared $(OBJS) $(LIBS)
-e2fsck.profiled: $(PROFILED_OBJS) $(DEPLIBS)
- $(LD) $(ALL_LDFLAGS) -pg -o e2fsck.profiled $(PROFILED_OBJS) \
+e2fsck.profiled: $(PROFILED_OBJS) $(PROFILED_DEPLIBS)
+ $(LD) $(ALL_LDFLAGS) -g -pg -o e2fsck.profiled $(PROFILED_OBJS) \
$(PROFILED_LIBS)
extend: extend.o
done
uninstall:
- $(RM) -f $(sbindir)/e2fsck
- $(RM) -f $(sbindir)/flushb
+ for i in $(PROGS); do \
+ $(RM) -f $(sbindir)/$$i; \
+ done
$(RM) -f $(sbindir)/fsck.ext2
for i in $(MANPAGES); do \
$(RM) -f $(man8dir)/$$i; \
# Makefile dependencies follow. This must be the last section in
# the Makefile.in file
#
-e2fsck.o: $(srcdir)/e2fsck.c $(top_srcdir)/lib/et/com_err.h \
+e2fsck.o: $(srcdir)/e2fsck.c \
+ $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/uuid/uuid.h $(srcdir)/e2fsck.h \
$(top_srcdir)/lib/ext2fs/ext2fs.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/../version.h
-pass1.o: $(srcdir)/pass1.c $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/e2fsck.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/problem.h \
+ $(srcdir)/../version.h
+pass1.o: $(srcdir)/pass1.c \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h
-pass1b.o: $(srcdir)/pass1b.c $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/e2fsck.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/problem.h
+pass1b.o: $(srcdir)/pass1b.c \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h
-pass2.o: $(srcdir)/pass2.c $(top_srcdir)/lib/et/com_err.h $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/problem.h
+pass2.o: $(srcdir)/pass2.c $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/ext2fs/io.h \
+ $(top_builddir)/lib/ext2fs/ext2_err.h $(top_srcdir)/lib/ext2fs/bitops.h \
+ $(srcdir)/problem.h
+pass3.o: $(srcdir)/pass3.c \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/e2fsck.h \
$(top_srcdir)/lib/ext2fs/ext2fs.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h
-pass3.o: $(srcdir)/pass3.c $(top_srcdir)/lib/et/com_err.h $(srcdir)/e2fsck.h \
- $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/ext2fs/bitops.h \
- $(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/problem.h
pass4.o: $(srcdir)/pass4.c $(srcdir)/e2fsck.h \
$(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h
-pass5.o: $(srcdir)/pass5.c $(top_srcdir)/lib/et/com_err.h $(srcdir)/e2fsck.h \
- $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/ext2fs/bitops.h \
- $(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-badblocks.o: $(srcdir)/badblocks.c $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/e2fsck.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/problem.h
+pass5.o: $(srcdir)/pass5.c $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/ext2fs/io.h \
+ $(top_builddir)/lib/ext2fs/ext2_err.h $(top_srcdir)/lib/ext2fs/bitops.h
+badblocks.o: $(srcdir)/badblocks.c \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
$(top_srcdir)/lib/ext2fs/bitops.h
-util.o: $(srcdir)/util.c $(srcdir)/e2fsck.h \
+util.o: $(srcdir)/util.c \
+ $(srcdir)/e2fsck.h \
$(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
$(top_srcdir)/lib/ext2fs/bitops.h
dirinfo.o: $(srcdir)/dirinfo.c $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/e2fsck.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/ext2fs/io.h \
+ $(top_builddir)/lib/ext2fs/ext2_err.h $(top_srcdir)/lib/ext2fs/bitops.h
+ehandler.o: $(srcdir)/ehandler.c \
+ $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h
-ehandler.o: $(srcdir)/ehandler.c $(srcdir)/e2fsck.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h
+problem.o: $(srcdir)/problem.c \
+ $(srcdir)/e2fsck.h \
$(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
$(top_srcdir)/lib/ext2fs/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
- $(top_srcdir)/lib/ext2fs/bitops.h
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/problem.h
}
/*
- * This subroutine is called during pass1 to stash away the block
- * numbers for the directory, which we will need later. The idea is
- * to avoid reading directory inodes twice.
+ * This subroutine is called during pass1 to create a directory info
+ * entry. During pass1, the passed-in parent is 0; it will get filled
+ * in during pass2.
*/
-void add_dir_info(ext2_filsys fs, ino_t ino, ino_t parent,
- struct ext2_inode *inode)
+void add_dir_info(ext2_filsys fs, ino_t ino, ino_t parent)
{
struct dir_info *dir;
int i, j;
* the dir_info array needs to be sorted by inode number for
* get_dir_info()'s sake.
*/
- if (dir_info_count && dir_info[dir_info_count-1].ino > ino) {
+ if (dir_info_count && dir_info[dir_info_count-1].ino >= ino) {
for (i = dir_info_count-1; i > 0; i--)
if (dir_info[i-1].ino < ino)
break;
low = 0;
high = dir_info_count-1;
+ if (!dir_info)
+ return 0;
if (ino == dir_info[low].ino)
return &dir_info[low];
if (ino == dir_info[high].ino)
dir_info_size = 0;
dir_info_count = 0;
}
+
+/*
+ * A simple interator function
+ */
+struct dir_info *dir_info_iter(int *control)
+{
+ if (*control >= dir_info_count)
+ return 0;
+
+ return(dir_info + (*control)++);
+}
/*
* e2fsck.c - a consistency checker for the new extended file system.
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
/* Usage: e2fsck [-dfpnsvy] device
#include "et/com_err.h"
#include "uuid/uuid.h"
#include "e2fsck.h"
+#include "problem.h"
#include "../version.h"
extern int isatty(int);
int swapfs = 0;
int normalize_swapfs = 0;
int inode_buffer_blocks = 0;
+blk_t use_superblock;
blk_t superblock;
int blocksize = 0;
int verbose = 0;
{
static hint_issued = 0;
- /* Only issue the hint once */
- if (hint_issued)
+ /*
+ * Only issue the hint once, and only if we're using the
+ * primary superblocks.
+ */
+ if (hint_issued || superblock)
return;
printf("Note: if there is several inode or block bitmap blocks\n"
int i;
blk_t should_be;
errcode_t retval;
+ struct problem_context pctx;
+
+ clear_problem_context(&pctx);
/*
* Verify the super block constants...
last_block = first_block + blocks_per_group;
for (i = 0; i < fs->group_desc_count; i++) {
+ pctx.group = i;
+
if (i == fs->group_desc_count - 1)
last_block = fs->super->s_blocks_count;
if ((fs->group_desc[i].bg_block_bitmap < first_block) ||
(fs->group_desc[i].bg_block_bitmap >= last_block)) {
relocate_hint();
- printf("Block bitmap for group %d is not in group. "
- "(block %u)\n",
- i, fs->group_desc[i].bg_block_bitmap);
- preenhalt(fs);
- if (!ask("Relocate", 1)) {
- fatal_error("Block bitmap not in group");
+ pctx.blk = fs->group_desc[i].bg_block_bitmap;
+ if (fix_problem(fs, PR_0_BB_NOT_GROUP, &pctx)) {
+ fs->group_desc[i].bg_block_bitmap = 0;
+ invalid_block_bitmap[i]++;
+ invalid_bitmaps++;
}
- fs->group_desc[i].bg_block_bitmap = 0;
- invalid_block_bitmap[i]++;
- invalid_bitmaps++;
}
if ((fs->group_desc[i].bg_inode_bitmap < first_block) ||
(fs->group_desc[i].bg_inode_bitmap >= last_block)) {
relocate_hint();
- printf("Inode bitmap group %d not in group. "
- "(block %u)\n",
- i, fs->group_desc[i].bg_inode_bitmap);
- preenhalt(fs);
- if (!ask("Relocate", 1)) {
- fatal_error("Inode bitmap not in group");
+ pctx.blk = fs->group_desc[i].bg_inode_bitmap;
+ if (fix_problem(fs, PR_0_IB_NOT_GROUP, &pctx)) {
+ fs->group_desc[i].bg_inode_bitmap = 0;
+ invalid_inode_bitmap[i]++;
+ invalid_bitmaps++;
}
- fs->group_desc[i].bg_inode_bitmap = 0;
- invalid_inode_bitmap[i]++;
- invalid_bitmaps++;
}
if ((fs->group_desc[i].bg_inode_table < first_block) ||
((fs->group_desc[i].bg_inode_table +
fs->inode_blocks_per_group - 1) >= last_block)) {
relocate_hint();
- printf("Inode table for group %d not in group. "
- "(block %u)\n",
- i, fs->group_desc[i].bg_inode_table);
- printf("WARNING: SEVERE DATA LOSS POSSIBLE.\n");
- preenhalt(fs);
- if (!ask("Relocate", 1)) {
- fatal_error("Inode table not in group");
+ pctx.blk = fs->group_desc[i].bg_inode_table;
+ if (fix_problem(fs, PR_0_ITABLE_NOT_GROUP, &pctx)) {
+ fs->group_desc[i].bg_inode_table = 0;
+ invalid_inode_table[i]++;
+ invalid_bitmaps++;
}
- fs->group_desc[i].bg_inode_table = 0;
- invalid_inode_table[i]++;
- invalid_bitmaps++;
}
first_block += fs->super->s_blocks_per_group;
last_block += fs->super->s_blocks_per_group;
}
+ /*
+ * If we have invalid bitmaps, set the error state of the
+ * filesystem.
+ */
+ if (invalid_bitmaps && rwflag) {
+ fs->super->s_state &= ~EXT2_VALID_FS;
+ ext2fs_mark_super_dirty(fs);
+ }
/*
* If the UUID field isn't assigned, assign it.
/* What we do by default, anyway! */
break;
case 'b':
- superblock = atoi(optarg);
+ use_superblock = atoi(optarg);
break;
case 'B':
blocksize = atoi(optarg);
errcode_t retval = 0;
int exit_value = FSCK_OK;
int i;
- ext2_filsys fs;
+ ext2_filsys fs = 0;
+ io_manager io_ptr;
+ struct ext2fs_sb *s;
#ifdef MTRACE
mtrace();
PRS(argc, argv);
- if (!preen)
+ if (!preen || show_version_only)
fprintf (stderr, "e2fsck %s, %s for EXT2 FS %s, %s\n",
E2FSPROGS_VERSION, E2FSPROGS_DATE,
EXT2FS_VERSION, EXT2FS_DATE);
if (!isatty (0) || !isatty (1))
die ("need terminal for interactive repairs");
}
+ superblock = use_superblock;
restart:
+#if 1
+ io_ptr = unix_io_manager;
+#else
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+#endif
sync_disks();
if (superblock && blocksize) {
retval = ext2fs_open(filesystem_name,
rwflag ? EXT2_FLAG_RW : 0,
- superblock, blocksize, unix_io_manager,
- &fs);
+ superblock, blocksize, io_ptr, &fs);
} else if (superblock) {
for (i=0; possible_block_sizes[i]; i++) {
retval = ext2fs_open(filesystem_name,
rwflag ? EXT2_FLAG_RW : 0,
superblock,
possible_block_sizes[i],
- unix_io_manager, &fs);
+ io_ptr, &fs);
if (!retval)
break;
}
} else
retval = ext2fs_open(filesystem_name,
rwflag ? EXT2_FLAG_RW : 0,
- 0, 0, unix_io_manager, &fs);
+ 0, 0, io_ptr, &fs);
+ if (!superblock && !preen &&
+ ((retval == EXT2_ET_BAD_MAGIC) ||
+ ((retval == 0) && ext2fs_check_desc(fs)))) {
+ if (!fs || (fs->group_desc_count > 1)) {
+ printf("%s trying backup blocks...\n",
+ retval ? "Couldn't find ext2 superblock," :
+ "Group descriptors look bad...");
+ superblock = 8193;
+ if (fs)
+ ext2fs_close(fs);
+ goto restart;
+ }
+ }
if (retval) {
com_err(program_name, retval, "while trying to open %s",
filesystem_name);
printf(corrupt_msg);
fatal_error(0);
}
-
#ifdef EXT2_CURRENT_REV
if (fs->super->s_rev_level > E2FSCK_CURRENT_REV) {
com_err(program_name, EXT2_ET_REV_TOO_HIGH,
"while trying to open %s",
filesystem_name);
+ goto get_newer;
+ }
+#endif
+ /*
+ * Check for compatibility with the feature sets. We have to
+ * check because we need to be more stringent than ext2fs_open
+ */
+ s = (struct ext2fs_sb *) fs->super;
+ if (s->s_feature_compat || s->s_feature_incompat ||
+ s->s_feature_ro_compat) {
+ com_err(program_name, EXT2_ET_UNSUPP_FEATURE,
+ " (%s)", filesystem_name);
+ get_newer:
printf ("Get a newer version of e2fsck!\n");
fatal_error(0);
}
-#endif
+
/*
* If the user specified a specific superblock, presumably the
* master superblock has been trashed. So we mark the
*/
ext2fs_mark_valid(fs);
+ retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
+ if (retval) {
+ com_err(program_name, retval,
+ "while reading bad blocks inode");
+ preenhalt(fs);
+ printf("This doesn't bode well, but we'll try to go on...\n");
+ }
+
pass1(fs);
free(invalid_inode_bitmap);
free(invalid_block_bitmap);
ext2fs_close(fs);
printf("Restarting e2fsck from the beginning...\n");
restart_e2fsck = 0;
+ superblock = use_superblock;
goto restart;
}
pass2(fs);
/*
* Inode count arrays
*/
-extern unsigned short * inode_count;
-extern unsigned short * inode_link_info;
+extern ext2_icount_t inode_count;
+extern ext2_icount_t inode_link_info;
/*
* The directory information structure; stores directory information
* collected in earlier passes, to avoid disk i/o in fetching the
- * directoryt information.
+ * directory information.
*/
struct dir_info {
ino_t ino; /* Inode number */
ino_t parent; /* Parent according to treewalk */
};
-struct dir_block_struct {
- ino_t ino;
- blk_t blk;
- int blockcnt;
-};
-
-struct dir_block_struct *dir_blocks;
-int dir_block_count;
-int dir_block_size;
-
/*
* This structure is used for keeping track of how much resources have
* been used for a particular pass of e2fsck.
extern ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
extern ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
extern ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
+extern ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
extern ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
extern ext2fs_block_bitmap block_dup_map; /* Blocks which are used by more than once */
extern void test_disk(ext2_filsys fs);
/* dirinfo.c */
-extern void add_dir_info(ext2_filsys fs, ino_t ino, ino_t parent,
- struct ext2_inode *inode);
+extern void add_dir_info(ext2_filsys fs, ino_t ino, ino_t parent);
extern struct dir_info *get_dir_info(ino_t ino);
extern void free_dir_info(ext2_filsys fs);
extern int get_num_dirs(ext2_filsys fs);
+extern struct dir_info *dir_info_iter(int *control);
/* ehandler.c */
extern const char *ehandler_operation(const char *op);
--- /dev/null
+/*
+ * message.c --- print e2fsck messages (with compression)
+ *
+ * Copyright 1996, 1997 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
+ * print_e2fsck_message() prints a message to the user, using
+ * compression techniques and expansions of abbreviations.
+ *
+ * The following % expansions are supported:
+ *
+ * %b <blk> block number
+ * %B <blkcount> integer
+ * %di <dirent>->ino inode number
+ * %dn <dirent>->name string
+ * %D <dir> inode number
+ * %g <group> integer
+ * %i <ino> inode number
+ * %Is <inode> -> i_size
+ * %Ib <inode> -> i_blocks
+ * %Il <inode> -> i_links_count
+ * %Im <inode> -> i_mode
+ * %IM <inode> -> i_mtime
+ * %IF <inode> -> i_faddr
+ * %If <inode> -> i_file_acl
+ * %Id <inode> -> i_dir_acl
+ * %j <ino2> inode number
+ * %N <num>
+ * %p ext2fs_get_pathname of directory <ino>
+ * %P ext2fs_get_pathname of <dirent>->ino with <ino2> as
+ * the containing directory. (If dirent is NULL
+ * then return the pathname of directory <ino2>)
+ * %q ext2fs_get_pathname of directory <dir>
+ * %Q ext2fs_get_pathname of directory <ino> with <dir> as
+ * the containing directory.
+ *
+ * The following '@' expansions are supported:
+ *
+ * @b block
+ * @B bitmap
+ * @C conflicts with some other fs block
+ * @i inode
+ * @D deleted
+ * @d directory
+ * @e entry
+ * @E Entry '%Dn' in %p (%i)
+ * @F for @i %i (%Q) is
+ * @g group
+ * @l lost+found
+ * @L is a link
+ * @u unattached
+ * @r root inode
+ * @z zero-length
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+
+#include "e2fsck.h"
+
+#include "problem.h"
+
+#ifdef __GNUC__
+#define _INLINE_ __inline__
+#else
+#define _INLINE_
+#endif
+
+/*
+ * This structure defines the abbreviations used by the text strings
+ * below. The first character in the string is the index letter. An
+ * abbreviation of the form '@<i>' is expanded by looking up the index
+ * letter <i> in the table below.
+ */
+static const char *abbrevs[] = {
+ "bblock",
+ "Bbitmap",
+ "Cconflicts with some other fs @b",
+ "iinode",
+ "Ddeleted",
+ "ddirectory",
+ "eentry",
+ "E@e '%Dn' in %p (%i)",
+ "Ffor @i %i (%Q) is",
+ "ggroup",
+ "llost+found",
+ "Lis a link",
+ "uunattached",
+ "rroot @i",
+ "sshould be",
+ "zzero-length",
+ "@@",
+ 0
+ };
+
+/*
+ * Give more user friendly names to the "special" inodes.
+ */
+#define num_special_inodes 7
+static const char *special_inode_name[] =
+{
+ "<The NULL inode>", /* 0 */
+ "<The bad blocks inode>", /* 1 */
+ "/", /* 2 */
+ "<The ACL index inode>", /* 3 */
+ "<The ACL data inode>", /* 4 */
+ "<The boot loader inode>", /* 5 */
+ "<The undelete directory inode>" /* 6 */
+};
+
+/*
+ * This function prints a pathname, using the ext2fs_get_pathname
+ * function
+ */
+static void print_pathname(ext2_filsys fs, ino_t dir, ino_t ino)
+{
+ errcode_t retval;
+ char *path;
+
+ if (!dir && (ino < num_special_inodes)) {
+ fputs(special_inode_name[ino], stdout);
+ return;
+ }
+
+ retval = ext2fs_get_pathname(fs, dir, ino, &path);
+ if (retval)
+ fputs("???", stdout);
+ else {
+ fputs(path, stdout);
+ free(path);
+ }
+}
+
+/*
+ * This function handles the '@' expansion. We allow recursive
+ * expansion; an @ expression can contain further '@' and '%'
+ * expressions.
+ */
+static _INLINE_ void expand_at_expression(ext2_filsys fs, char ch,
+ struct problem_context *ctx,
+ int *first)
+{
+ const char **cpp, *str;
+
+ /* Search for the abbreviation */
+ for (cpp = abbrevs; *cpp; cpp++) {
+ if (ch == *cpp[0])
+ break;
+ }
+ if (*cpp) {
+ str = (*cpp) + 1;
+ if (*first && islower(*str)) {
+ *first = 0;
+ fputc(toupper(*str++), stdout);
+ }
+ print_e2fsck_message(fs, str, ctx, *first);
+ } else
+ printf("@%c", ch);
+}
+
+/*
+ * This function expands '%kX' expressions
+ */
+static _INLINE_ void expand_inode_expression(char ch,
+ struct problem_context *ctx)
+{
+ struct ext2_inode *inode;
+ char * time_str;
+ time_t t;
+
+ if (!ctx || !ctx->inode)
+ goto no_inode;
+
+ inode = ctx->inode;
+
+ switch (ch) {
+ case 's':
+ printf("%u", inode->i_size);
+ break;
+ case 'b':
+ printf("%u", inode->i_blocks);
+ break;
+ case 'l':
+ printf("%d", inode->i_links_count);
+ break;
+ case 'm':
+ printf("0%o", inode->i_mode);
+ break;
+ case 'M':
+ t = inode->i_mtime;
+ time_str = ctime(&t);
+ printf("%.24s", time_str);
+ break;
+ case 'F':
+ printf("%u", inode->i_faddr);
+ break;
+ case 'f':
+ printf("%u", inode->i_file_acl);
+ break;
+ case 'd':
+ printf("%u", inode->i_dir_acl);
+ break;
+ default:
+ no_inode:
+ printf("%%I%c", ch);
+ break;
+ }
+}
+
+/*
+ * This function expands '%dX' expressions
+ */
+static _INLINE_ void expand_dirent_expression(char ch,
+ struct problem_context *ctx)
+{
+ struct ext2_dir_entry *dirent;
+ int len;
+
+ if (!ctx || !ctx->dirent)
+ goto no_dirent;
+
+ dirent = ctx->dirent;
+
+ switch (ch) {
+ case 'i':
+ printf("%u", dirent->inode);
+ break;
+ case 'n':
+ len = dirent->name_len;
+ if (len > EXT2_NAME_LEN)
+ len = EXT2_NAME_LEN;
+ if (len > dirent->rec_len)
+ len = dirent->rec_len;
+ printf("%.*s", dirent->name_len, dirent->name);
+ break;
+ default:
+ no_dirent:
+ printf("%%D%c", ch);
+ break;
+ }
+}
+
+static _INLINE_ void expand_percent_expression(ext2_filsys fs, char ch,
+ struct problem_context *ctx)
+{
+ if (!ctx)
+ goto no_context;
+
+ switch (ch) {
+ case '%':
+ fputc('%', stdout);
+ break;
+ case 'b':
+ printf("%u", ctx->blk);
+ break;
+ case 'B':
+ printf("%d", ctx->blkcount);
+ break;
+ case 'd':
+ printf("%lu", ctx->dir);
+ break;
+ case 'g':
+ printf("%d", ctx->group);
+ break;
+ case 'i':
+ printf("%lu", ctx->ino);
+ break;
+ case 'j':
+ printf("%lu", ctx->ino2);
+ break;
+ case 'N':
+ printf("%u", ctx->num);
+ break;
+ case 'p':
+ print_pathname(fs, ctx->ino, 0);
+ break;
+ case 'P':
+ print_pathname(fs, ctx->ino2,
+ ctx->dirent ? ctx->dirent->inode : 0);
+ break;
+ case 'q':
+ print_pathname(fs, ctx->dir, 0);
+ break;
+ case 'Q':
+ print_pathname(fs, ctx->dir, ctx->ino);
+ break;
+ default:
+ no_context:
+ printf("%%%c", ch);
+ break;
+ }
+}
+
+void print_e2fsck_message(ext2_filsys fs, const char *msg,
+ struct problem_context *ctx, int first)
+{
+ const char * cp;
+ int i;
+
+ for (cp = msg; *cp; cp++) {
+ if (cp[0] == '@') {
+ cp++;
+ expand_at_expression(fs, *cp, ctx, &first);
+ } else if (cp[0] == '%' && cp[1] == 'I') {
+ cp += 2;
+ expand_inode_expression(*cp, ctx);
+ } else if (cp[0] == '%' && cp[1] == 'D') {
+ cp += 2;
+ expand_dirent_expression(*cp, ctx);
+ } else if ((cp[0] == '%')) {
+ cp++;
+ expand_percent_expression(fs, *cp, ctx);
+ } else {
+ for (i=0; cp[i]; i++)
+ if ((cp[i] == '@') || cp[i] == '%')
+ break;
+ printf("%.*s", i, cp);
+ cp += i-1;
+ }
+ first = 0;
+ }
+}
/*
* pass1.c -- pass #1 of e2fsck: sequential scan of the inode table
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*
* Pass 1 of e2fsck iterates over all the inodes in the filesystems,
* and applies the following tests to each inode:
* - A bitmap of which inodes are in use. (inode_used_map)
* - A bitmap of which inodes are directories. (inode_dir_map)
* - A bitmap of which inodes have bad fields. (inode_bad_map)
+ * - A bitmap of which inodes are in bad blocks. (inode_bb_map)
* - A bitmap of which blocks are in use. (block_found_map)
* - A bitmap of which blocks are in use by two inodes (block_dup_map)
* - The data blocks of the directory inodes. (dir_map)
#include <et/com_err.h>
#include "e2fsck.h"
+#include "problem.h"
#ifdef NO_INLINE_FUNCS
#define _INLINE_
ext2fs_inode_bitmap inode_used_map = 0; /* Inodes which are in use */
ext2fs_inode_bitmap inode_bad_map = 0; /* Inodes which are bad in some way */
ext2fs_inode_bitmap inode_dir_map = 0; /* Inodes which are directories */
+ext2fs_inode_bitmap inode_bb_map = 0; /* Inodes which are in bad blocks */
ext2fs_block_bitmap block_found_map = 0;
ext2fs_block_bitmap block_dup_map = 0;
ext2fs_block_bitmap block_illegal_map = 0;
-unsigned short * inode_link_info = NULL;
+ext2_icount_t inode_link_info = 0;
static int process_block(ext2_filsys fs, blk_t *blocknr,
- int blockcnt, void *private);
+ int blockcnt, blk_t ref_blk,
+ int ref_offset, void *private);
static int process_bad_block(ext2_filsys fs, blk_t *block_nr,
- int blockcnt, void *private);
-static void check_blocks(ext2_filsys fs, ino_t ino, struct ext2_inode *inode,
+ int blockcnt, blk_t ref_blk,
+ int ref_offset, void *private);
+static void check_blocks(ext2_filsys fs, struct problem_context *pctx,
char *block_buf);
static void mark_table_blocks(ext2_filsys fs);
static void alloc_bad_map(ext2_filsys fs);
+static void alloc_bb_map(ext2_filsys fs);
static void handle_fs_bad_blocks(ext2_filsys fs);
static void process_inodes(ext2_filsys fs, char *block_buf);
static int process_inode_cmp(const void *a, const void *b);
-static int dir_block_cmp(const void *a, const void *b);
static errcode_t scan_callback(ext2_filsys fs, ext2_inode_scan scan,
dgrp_t group, void * private);
-static char *describe_illegal_block(ext2_filsys fs, blk_t block);
+/* static char *describe_illegal_block(ext2_filsys fs, blk_t block); */
struct process_block_struct {
ino_t ino;
int num_blocks;
int last_block;
int num_illegal_blocks;
- int fix;
blk_t previous_block;
struct ext2_inode *inode;
+ struct problem_context *pctx;
};
struct process_inode_block {
int process_inode_size = 256;
/*
- * For the directory blocks list.
- */
-struct dir_block_struct *dir_blocks = 0;
-int dir_block_count = 0;
-int dir_block_size = 0;
-
-/*
* Free all memory allocated by pass1 in preparation for restarting
* things.
*/
ext2fs_free_inode_bitmap(inode_used_map); inode_used_map = 0;
ext2fs_free_inode_bitmap(inode_dir_map); inode_dir_map = 0;
ext2fs_free_block_bitmap(block_found_map); block_found_map = 0;
- free(inode_link_info); inode_link_info = 0;
+ ext2fs_free_icount(inode_link_info); inode_link_info = 0;
free(inodes_to_process);inodes_to_process = 0;
- free(dir_blocks); dir_blocks = 0;
- dir_block_size = 0;
+ ext2fs_free_dblist(fs->dblist); fs->dblist = 0;
+ free_dir_info(fs);
if (block_dup_map) {
ext2fs_free_block_bitmap(block_dup_map); block_dup_map = 0;
}
+ if (inode_bb_map) {
+ ext2fs_free_inode_bitmap(inode_bb_map); inode_bb_map = 0;
+ }
+ if (inode_bad_map) {
+ ext2fs_free_inode_bitmap(inode_bad_map); inode_bad_map = 0;
+ }
/* Clear statistic counters */
fs_directory_count = 0;
errcode_t retval;
struct resource_track rtrack;
unsigned char frag, fsize;
+ struct problem_context pctx;
init_resource_track(&rtrack);
"while allocating block_illegal_map");
fatal_error(0);
}
- inode_link_info = allocate_memory((fs->super->s_inodes_count + 1) *
- sizeof(unsigned short),
- "inode link count array");
+ retval = ext2fs_create_icount(fs, 0, 0, &inode_link_info);
+ if (retval) {
+ com_err("ext2fs_create_icount", retval,
+ "while creating inode_link_info");
+ fatal_error(0);
+ }
inodes_to_process = allocate_memory(process_inode_size *
sizeof(struct process_inode_block),
"array of inodes to process");
process_inode_count = 0;
- dir_block_size = get_num_dirs(fs) * 4;
- dir_block_count = 0;
- dir_blocks = allocate_memory(sizeof(struct dir_block_struct) *
- dir_block_size,
- "directory block information");
+ retval = ext2fs_init_dblist(fs, 0);
+ if (retval) {
+ com_err(program_name, retval,
+ "while allocating directory block information");
+ fatal_error(0);
+ }
mark_table_blocks(fs);
block_buf = allocate_memory(fs->blocksize * 3, "block interate buffer");
com_err(program_name, retval, "while opening inode scan");
fatal_error(0);
}
+ ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE, 0);
retval = ext2fs_get_next_inode(scan, &ino, &inode);
if (retval) {
com_err(program_name, retval, "while starting inode scan");
}
stashed_inode = &inode;
ext2fs_set_inode_callback(scan, scan_callback, block_buf);
+ clear_problem_context(&pctx);
while (ino) {
stashed_ino = ino;
- inode_link_info[ino] = inode.i_links_count;
+ if (inode.i_links_count)
+ retval = ext2fs_icount_store(inode_link_info, ino,
+ inode.i_links_count);
+ if (retval) {
+ com_err("ext2fs_icount_fetch", retval,
+ "while adding inode %u", ino);
+ fatal_error(0);
+ }
+ pctx.ino = ino;
+ pctx.inode = &inode;
if (ino == EXT2_BAD_INO) {
struct process_block_struct pb;
pb.ino = EXT2_BAD_INO;
pb.num_blocks = pb.last_block = 0;
pb.num_illegal_blocks = 0;
- pb.suppress = pb.clear = pb.is_dir = 0;
+ pb.suppress = 0; pb.clear = 0; pb.is_dir = 0;
pb.fragmented = 0;
- pb.fix = -1;
pb.inode = &inode;
- retval = ext2fs_block_iterate(fs, ino, 0, block_buf,
- process_bad_block, &pb);
+ pb.pctx = &pctx;
+ retval = ext2fs_block_iterate2(fs, ino, 0, block_buf,
+ process_bad_block, &pb);
if (retval)
com_err(program_name, retval, "while calling e2fsc_block_interate in pass 1");
ext2fs_mark_inode_bitmap(inode_used_map, ino);
+ clear_problem_context(&pctx);
goto next;
}
if (ino == EXT2_ROOT_INO) {
* regnerated in pass #3.
*/
if (!LINUX_S_ISDIR(inode.i_mode)) {
- printf("Root inode is not a directory. ");
- preenhalt(fs);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs, PR_1_ROOT_NO_DIR, &pctx)) {
inode.i_dtime = time(0);
inode.i_links_count = 0;
- inode_link_info[ino] = 0;
+ ext2fs_icount_store(inode_link_info,
+ ino, 0);
e2fsck_write_inode(fs, ino, &inode,
"pass1");
- } else
- ext2fs_unmark_valid(fs);
+ }
}
/*
* If dtime is set, offer to clear it. mke2fs
* as a special case.
*/
if (inode.i_dtime && inode.i_links_count) {
- if (ask("Root inode has dtime set "
- "(probably due to old mke2fs). Fix",
- 1)) {
+ if (fix_problem(fs, PR_1_ROOT_DTIME, &pctx)) {
inode.i_dtime = 0;
e2fsck_write_inode(fs, ino, &inode,
"pass1");
- } else
- ext2fs_unmark_valid(fs);
+ }
}
}
if (ino == EXT2_BOOT_LOADER_INO) {
ext2fs_mark_inode_bitmap(inode_used_map, ino);
- check_blocks(fs, ino, &inode, block_buf);
+ check_blocks(fs, &pctx, block_buf);
goto next;
}
if ((ino != EXT2_ROOT_INO) &&
(ino < EXT2_FIRST_INODE(fs->super))) {
ext2fs_mark_inode_bitmap(inode_used_map, ino);
if (inode.i_mode != 0) {
- printf("Reserved inode %lu has bad mode. ", ino);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs,
+ PR_1_RESERVED_BAD_MODE, &pctx)) {
inode.i_mode = 0;
e2fsck_write_inode(fs, ino, &inode,
"pass1");
- } else
- ext2fs_unmark_valid(fs);
+ }
}
- check_blocks(fs, ino, &inode, block_buf);
+ check_blocks(fs, &pctx, block_buf);
goto next;
}
/*
*/
if (!inode.i_links_count) {
if (!inode.i_dtime && inode.i_mode) {
- printf("Deleted inode %lu has zero dtime.\n",
- ino);
- if (ask("Set dtime", 1)) {
+ if (fix_problem(fs,
+ PR_1_ZERO_DTIME, &pctx)) {
inode.i_dtime = time(0);
e2fsck_write_inode(fs, ino, &inode,
"pass1");
- } else
- ext2fs_unmark_valid(fs);
+ }
}
goto next;
}
*
*/
if (inode.i_dtime) {
- printf("Inode %lu is in use, but has dtime set\n",
- ino);
- if (ask("Clear dtime", 1)) {
+ if (fix_problem(fs, PR_1_SET_DTIME, &pctx)) {
inode.i_dtime = 0;
e2fsck_write_inode(fs, ino, &inode, "pass1");
- } else
- ext2fs_unmark_valid(fs);
+ }
}
ext2fs_mark_inode_bitmap(inode_used_map, ino);
if (LINUX_S_ISDIR(inode.i_mode)) {
ext2fs_mark_inode_bitmap(inode_dir_map, ino);
- add_dir_info(fs, ino, 0, &inode);
+ add_dir_info(fs, ino, 0);
fs_directory_count++;
} else if (LINUX_S_ISREG (inode.i_mode))
fs_regular_count++;
fs_blockdev_count++;
else if (LINUX_S_ISLNK (inode.i_mode)) {
fs_symlinks_count++;
- if (!inode.i_blocks)
+ if (!inode.i_blocks) {
fs_fast_symlinks_count++;
+ goto next;
+ }
}
else if (LINUX_S_ISFIFO (inode.i_mode))
fs_fifo_count++;
inodes_to_process[process_inode_count].inode = inode;
process_inode_count++;
} else
- check_blocks(fs, ino, &inode, block_buf);
+ check_blocks(fs, &pctx, block_buf);
if (process_inode_count >= process_inode_size)
process_inodes(fs, block_buf);
next:
retval = ext2fs_get_next_inode(scan, &ino, &inode);
+ if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
+ if (!inode_bb_map)
+ alloc_bb_map(fs);
+ ext2fs_mark_inode_bitmap(inode_bb_map, ino);
+ ext2fs_mark_inode_bitmap(inode_used_map, ino);
+ goto next;
+ }
if (retval) {
com_err(program_name, retval,
"while doing inode scan");
ext2fs_close_inode_scan(scan);
ehandler_operation(0);
- qsort(dir_blocks, dir_block_count, sizeof(struct dir_block_struct),
- dir_block_cmp);
-
if (invalid_bitmaps)
handle_fs_bad_blocks(fs);
free(block_buf);
ext2fs_free_block_bitmap(block_illegal_map);
block_illegal_map = 0;
-
+
if (tflag > 1) {
printf("Pass 1: ");
print_resource_track(&rtrack);
{
int i;
struct ext2_inode *old_stashed_inode;
- ino_t ino;
+ ino_t old_stashed_ino;
const char *old_operation;
char buf[80];
-
+ struct problem_context pctx;
+
#if 0
printf("begin process_inodes: ");
#endif
old_operation = ehandler_operation(0);
old_stashed_inode = stashed_inode;
+ old_stashed_ino = stashed_ino;
qsort(inodes_to_process, process_inode_count,
sizeof(struct process_inode_block), process_inode_cmp);
+ clear_problem_context(&pctx);
for (i=0; i < process_inode_count; i++) {
- stashed_inode = &inodes_to_process[i].inode;
- ino = inodes_to_process[i].ino;
- stashed_ino = ino;
+ pctx.inode = stashed_inode = &inodes_to_process[i].inode;
+ pctx.ino = stashed_ino = inodes_to_process[i].ino;
+
#if 0
- printf("%u ", ino);
+ printf("%u ", pctx.ino);
#endif
- sprintf(buf, "reading indirect blocks of inode %lu", ino);
+ sprintf(buf, "reading indirect blocks of inode %lu", pctx.ino);
ehandler_operation(buf);
- check_blocks(fs, ino, stashed_inode, block_buf);
-
+ check_blocks(fs, &pctx, block_buf);
}
stashed_inode = old_stashed_inode;
+ stashed_ino = old_stashed_ino;
process_inode_count = 0;
#if 0
printf("end process inodes\n");
ib_b->inode.i_block[EXT2_IND_BLOCK]);
}
-static int dir_block_cmp(const void *a, const void *b)
-{
- const struct dir_block_struct *db_a =
- (const struct dir_block_struct *) a;
- const struct dir_block_struct *db_b =
- (const struct dir_block_struct *) b;
-
- if (db_a->blk != db_b->blk)
- return (db_a->blk - db_b->blk);
-
- if (db_a->ino != db_b->ino)
- return (db_a->ino - db_b->ino);
-
- return (db_a->blockcnt - db_b->blockcnt);
-}
-
/*
* This procedure will allocate the inode bad map table
*/
}
/*
+ * This procedure will allocate the inode "bb" (badblock) map table
+ */
+static void alloc_bb_map(ext2_filsys fs)
+{
+ errcode_t retval;
+
+ retval = ext2fs_allocate_inode_bitmap(fs, "inode in bad block map",
+ &inode_bb_map);
+ if (retval) {
+ com_err("ext2fs_allocate_inode_bitmap", retval,
+ "while allocating inode in bad block map");
+ fatal_error(0);
+ }
+}
+
+/*
* Marks a block as in use, setting the dup_map if it's been set
* already. Called by process_block and process_bad_block.
*
* This subroutine is called on each inode to account for all of the
* blocks used by that inode.
*/
-static void check_blocks(ext2_filsys fs, ino_t ino, struct ext2_inode *inode,
+static void check_blocks(ext2_filsys fs, struct problem_context *pctx,
char *block_buf)
{
struct process_block_struct pb;
errcode_t retval;
+ ino_t ino = pctx->ino;
+ struct ext2_inode *inode = pctx->inode;
- if (!inode_has_valid_blocks(inode))
+ if (!ext2fs_inode_has_valid_blocks(pctx->inode))
return;
pb.ino = ino;
pb.num_blocks = pb.last_block = 0;
pb.num_illegal_blocks = 0;
- pb.suppress = pb.clear = 0;
+ pb.suppress = 0; pb.clear = 0;
pb.fragmented = 0;
pb.previous_block = 0;
- pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
- pb.fix = -1;
+ pb.is_dir = LINUX_S_ISDIR(pctx->inode->i_mode);
pb.inode = inode;
- retval = ext2fs_block_iterate(fs, ino,
- pb.is_dir ? BLOCK_FLAG_HOLE : 0,
- block_buf, process_block, &pb);
+ pb.pctx = pctx;
+ retval = ext2fs_block_iterate2(fs, ino,
+ pb.is_dir ? BLOCK_FLAG_HOLE : 0,
+ block_buf, process_block, &pb);
+ reset_problem_latch(PR_LATCH_BLOCK);
if (retval)
com_err(program_name, retval,
"while calling ext2fs_block_iterate in check_blocks");
fatal_error(0);
}
inode->i_links_count = 0;
- inode_link_info[ino] = 0;
+ ext2fs_icount_store(inode_link_info, ino, 0);
inode->i_dtime = time(0);
e2fsck_write_inode(fs, ino, inode, "check_blocks");
ext2fs_unmark_inode_bitmap(inode_dir_map, ino);
return;
}
- if (pb.fix > 0)
- e2fsck_read_inode(fs, ino, inode, "check_blocks");
-
pb.num_blocks *= (fs->blocksize / 512);
#if 0
printf("inode %u, i_size = %lu, last_block = %lu, i_blocks=%lu, num_blocks = %lu\n",
pb.num_blocks);
#endif
if (!pb.num_blocks && pb.is_dir) {
- printf("Inode %lu is a zero length directory. ", ino);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs, PR_1_ZERO_LENGTH_DIR, pctx)) {
inode->i_links_count = 0;
- inode_link_info[ino] = 0;
+ ext2fs_icount_store(inode_link_info, ino, 0);
inode->i_dtime = time(0);
e2fsck_write_inode(fs, ino, inode, "check_blocks");
ext2fs_unmark_inode_bitmap(inode_dir_map, ino);
ext2fs_unmark_inode_bitmap(inode_used_map, ino);
fs_directory_count--;
pb.is_dir = 0;
- } else
- ext2fs_unmark_valid(fs);
+ }
}
- if ((pb.is_dir && (inode->i_size != (pb.last_block + 1) * fs->blocksize)) ||
+ if ((pb.is_dir && (inode->i_size !=
+ (pb.last_block + 1) * fs->blocksize)) ||
(inode->i_size < pb.last_block * fs->blocksize)) {
- printf ("%s %lu, incorrect size, %u (counted = %u). ",
- pb.is_dir ? "Directory" : "Inode", ino, inode->i_size,
- (pb.last_block+1) * fs->blocksize);
- if (ask ("Set size to counted", 1)) {
- inode->i_size = (pb.last_block+1) * fs->blocksize;
+ pctx->num = (pb.last_block+1) * fs->blocksize;
+ if (fix_problem(fs, PR_1_BAD_I_SIZE, pctx)) {
+ inode->i_size = pctx->num;
e2fsck_write_inode(fs, ino, inode, "check_blocks");
- } else
- ext2fs_unmark_valid(fs);
+ }
+ pctx->num = 0;
}
if (pb.num_blocks != inode->i_blocks) {
- printf ("Inode %lu, i_blocks wrong %u (counted=%u). ",
- ino, inode->i_blocks, pb.num_blocks);
- if (ask ("Set i_blocks to counted", 1)) {
+ pctx->num = pb.num_blocks;
+ if (fix_problem(fs, PR_1_BAD_I_BLOCKS, pctx)) {
inode->i_blocks = pb.num_blocks;
e2fsck_write_inode(fs, ino, inode, "check_blocks");
- } else
- ext2fs_unmark_valid(fs);
+ }
+ pctx->num = 0;
}
}
+#if 0
/*
* Helper function called by process block when an illegal block is
* found. It returns a description about why the block is illegal
}
return(problem);
}
+#endif
/*
* This is a helper function for check_blocks().
int process_block(ext2_filsys fs,
blk_t *block_nr,
int blockcnt,
+ blk_t ref_block,
+ int ref_offset,
void *private)
{
struct process_block_struct *p;
- char *problem;
+ struct problem_context *pctx;
blk_t blk = *block_nr;
int ret_code = 0;
+ int problem = 0;
+ errcode_t retval;
p = (struct process_block_struct *) private;
+ pctx = p->pctx;
if (blk == 0) {
if (p->is_dir == 0) {
if (blockcnt < 0)
return 0;
if (blockcnt * fs->blocksize < p->inode->i_size) {
- printf("Hole found in directory inode %lu! "
- "(blkcnt=%d)\n", p->ino, blockcnt);
+#if 0
+ printf("Missing block (#%d) in directory inode %lu!\n",
+ blockcnt, p->ino);
+#endif
goto mark_dir;
}
return 0;
}
p->previous_block = blk;
-
if (blk < fs->super->s_first_data_block ||
- blk >= fs->super->s_blocks_count ||
- ext2fs_test_block_bitmap(block_illegal_map, blk)) {
- problem = describe_illegal_block(fs, blk);
- if (preen) {
- printf("Block %u of inode %lu %s\n", blk, p->ino,
- problem);
- preenhalt(fs);
- }
- if (p->fix == -1) {
- printf("Remove illegal block(s) in inode %lu", p->ino);
- p->fix = ask("", 1);
- }
+ blk >= fs->super->s_blocks_count)
+ problem = PR_1_ILLEGAL_BLOCK_NUM;
+ else if (ext2fs_test_block_bitmap(block_illegal_map, blk))
+ problem = PR_1_BLOCK_OVERLAPS_METADATA;
+
+ if (problem) {
p->num_illegal_blocks++;
- if (!p->suppress && (p->num_illegal_blocks % 20) == 0) {
- printf("Too many illegal blocks in inode %lu.\n",
- p->ino);
- if (ask("Clear inode", 1)) {
+ if (!p->suppress && (p->num_illegal_blocks % 12) == 0) {
+ if (fix_problem(fs, PR_1_TOO_MANY_BAD_BLOCKS, pctx)) {
p->clear = 1;
return BLOCK_ABORT;
}
- if (ask("Supress messages", 0)) {
+ if (ask("Suppress messages", 0)) {
p->suppress = 1;
+ suppress_latch_group(PR_LATCH_BLOCK, 1);
}
}
- if (!p->suppress)
- printf("Block #%d (%u) %s. %s\n", blockcnt, blk,
- problem, clear_msg[p->fix]);
- if (p->fix) {
+ pctx->blk = blk;
+ pctx->blkcount = blockcnt;
+ if (fix_problem(fs, problem, pctx)) {
blk = *block_nr = 0;
ret_code = BLOCK_CHANGED;
goto mark_dir;
- } else {
- ext2fs_unmark_valid(fs);
+ } else
return 0;
- }
+ pctx->blk = 0;
+ pctx->blkcount = -1;
}
mark_block_used(fs, blk);
p->last_block = blockcnt;
mark_dir:
if (p->is_dir && (blockcnt >= 0)) {
- if (dir_block_count >= dir_block_size) {
- dir_block_size += 100;
- dir_blocks = realloc(dir_blocks,
- dir_block_size *
- sizeof(struct dir_block_struct));
- if (dir_blocks == 0)
- fatal_error("Not enough memory to "
- "realloc dir_blocks");
+ retval = ext2fs_add_dir_block(fs->dblist, p->ino,
+ blk, blockcnt);
+ if (retval) {
+ com_err(program_name, retval,
+ "while adding to directory block list");
+ fatal_error(0);
}
-
- dir_blocks[dir_block_count].blk = blk;
- dir_blocks[dir_block_count].ino = p->ino;
- dir_blocks[dir_block_count].blockcnt = blockcnt;
- dir_block_count++;
}
return ret_code;
}
int process_bad_block(ext2_filsys fs,
blk_t *block_nr,
int blockcnt,
+ blk_t ref_block,
+ int ref_offset,
void *private)
{
struct process_block_struct *p;
blk_t blk = *block_nr;
int first_block;
int i;
-
+ struct problem_context *pctx;
+
if (!blk)
return 0;
+
p = (struct process_block_struct *) private;
+ pctx = p->pctx;
+
+ pctx->blk = blk;
+ pctx->blkcount = blockcnt;
+
if ((blk < fs->super->s_first_data_block) ||
(blk >= fs->super->s_blocks_count)) {
- if (preen) {
- printf("Illegal block %u in bad block inode\n", blk);
- preenhalt(fs);
- }
- if (p->fix == -1)
- p->fix = ask("Remove illegal block(s) in bad block inode", 1);
- printf("Illegal block %u in bad block inode. %s\n", blk,
- clear_msg[p->fix]);
- if (p->fix) {
+ if (fix_problem(fs, PR_1_BB_ILLEGAL_BLOCK_NUM, pctx)) {
*block_nr = 0;
return BLOCK_CHANGED;
- } else {
- ext2fs_unmark_valid(fs);
+ } else
return 0;
- }
}
if (blockcnt < 0) {
first_block = fs->super->s_first_data_block;
for (i = 0; i < fs->group_desc_count; i++ ) {
+ pctx->group = i;
if (blk == first_block) {
if (i == 0) {
printf("The primary superblock (%u) is "
return 0;
}
if (blk == fs->group_desc[i].bg_block_bitmap) {
- printf("Group %d's block bitmap (%u) is bad. ",
- i, blk);
- if (ask("Relocate", 1)) {
+ if (fix_problem(fs, PR_1_BB_BAD_BLOCK, pctx)) {
invalid_block_bitmap[i]++;
invalid_bitmaps++;
- } else
- ext2fs_unmark_valid(fs);
+ }
return 0;
}
if (blk == fs->group_desc[i].bg_inode_bitmap) {
- printf("Group %d's inode bitmap (%u) is bad. ",
- i, blk);
- if (ask("Relocate", 1)) {
+ if (fix_problem(fs, PR_1_IB_BAD_BLOCK, pctx)) {
invalid_inode_bitmap[i]++;
invalid_bitmaps++;
- } else
- ext2fs_unmark_valid(fs);
+ }
return 0;
}
if ((blk >= fs->group_desc[i].bg_inode_table) &&
(blk < (fs->group_desc[i].bg_inode_table +
fs->inode_blocks_per_group))) {
- printf("WARNING: Severe data loss possible!!!!\n");
- printf("Bad block %u in group %d's inode table. ",
- blk, i);
- if (ask("Relocate", 1)) {
- invalid_inode_table[i]++;
- invalid_bitmaps++;
- } else
- ext2fs_unmark_valid(fs);
+ /*
+ * If there are bad blocks in the inode table,
+ * the inode scan code will try to do
+ * something reasonable automatically.
+ */
return 0;
}
- first_block += fs->super->s_blocks_per_group;
}
/*
* If we've gotten to this point, then the only
{
blk_t block, b;
int i,j;
+ struct problem_context pctx;
+
+ clear_problem_context(&pctx);
block = fs->super->s_first_data_block;
for (i = 0; i < fs->group_desc_count; i++) {
+ pctx.group = i;
+ /*
+ * Mark the blocks used for the inode table
+ */
+ if (fs->group_desc[i].bg_inode_table) {
+ for (j = 0, b = fs->group_desc[i].bg_inode_table;
+ j < fs->inode_blocks_per_group;
+ j++, b++) {
+ if (ext2fs_test_block_bitmap(block_found_map,
+ b)) {
+ pctx.blk = b;
+ if (fix_problem(fs,
+ PR_1_ITABLE_CONFLICT, &pctx)) {
+ invalid_inode_table[i]++;
+ invalid_bitmaps++;
+ }
+ } else {
+ ext2fs_mark_block_bitmap(block_found_map,
+ b);
+ ext2fs_mark_block_bitmap(block_illegal_map,
+ b);
+ }
+ }
+ }
+
/*
* Mark block used for the block bitmap
*/
if (fs->group_desc[i].bg_block_bitmap) {
if (ext2fs_test_block_bitmap(block_found_map,
fs->group_desc[i].bg_block_bitmap)) {
- printf("Group %i's block bitmap at %u "
- "conflicts with some other fs block.\n",
- i, fs->group_desc[i].bg_block_bitmap);
- preenhalt(fs);
- if (ask("Relocate", 1)) {
+ pctx.blk = fs->group_desc[i].bg_block_bitmap;
+ if (fix_problem(fs, PR_1_BB_CONFLICT, &pctx)) {
invalid_block_bitmap[i]++;
invalid_bitmaps++;
- } else {
- ext2fs_unmark_valid(fs);
}
} else {
ext2fs_mark_block_bitmap(block_found_map,
if (fs->group_desc[i].bg_inode_bitmap) {
if (ext2fs_test_block_bitmap(block_found_map,
fs->group_desc[i].bg_inode_bitmap)) {
- printf("Group %i's inode bitmap at %u "
- "conflicts with some other fs block.\n",
- i, fs->group_desc[i].bg_inode_bitmap);
- preenhalt(fs);
- if (ask("Relocate", 1)) {
+ pctx.blk = fs->group_desc[i].bg_inode_bitmap;
+ if (fix_problem(fs, PR_1_IB_CONFLICT, &pctx)) {
invalid_inode_bitmap[i]++;
invalid_bitmaps++;
- } else {
- ext2fs_unmark_valid(fs);
- }
+ }
} else {
ext2fs_mark_block_bitmap(block_found_map,
fs->group_desc[i].bg_inode_bitmap);
}
/*
- * Mark the blocks used for the inode table
- */
- if (fs->group_desc[i].bg_inode_table) {
- for (j = 0, b = fs->group_desc[i].bg_inode_table;
- j < fs->inode_blocks_per_group;
- j++, b++) {
- if (ext2fs_test_block_bitmap(block_found_map,
- b)) {
- printf("Group %i's inode table at %u "
- "conflicts with some other "
- "fs block.\n",
- i, b);
- preenhalt(fs);
- if (ask("Relocate", 1)) {
- invalid_inode_table[i]++;
- invalid_bitmaps++;
- } else {
- ext2fs_unmark_valid(fs);
- }
- } else {
- ext2fs_mark_block_bitmap(block_found_map,
- b);
- ext2fs_mark_block_bitmap(block_illegal_map,
- b);
- }
- }
- }
-
- /*
* Mark this group's copy of the superblock
*/
ext2fs_mark_block_bitmap(block_found_map, block);
* (so that the file gets a fresh copy of the duplicated blocks) or
* simply to delete the file.
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*
*/
#include <et/com_err.h>
#include "e2fsck.h"
+#include "problem.h"
+
/*
* This is structure is allocated for each time that a block is
* claimed by more than one file. So if a particular block is claimed
* of multiply-claimed blocks.
*/
struct dup_inode {
- ino_t ino;
- time_t mtime;
- char *pathname;
- int num_dupblocks;
- int flags;
+ ino_t ino, dir;
+ int num_dupblocks;
+ struct ext2_inode inode;
struct dup_inode *next;
};
-#define DUP_INODE_DONT_FREE_PATHNAME 0x1
-
static int process_pass1b_block(ext2_filsys fs, blk_t *blocknr,
int blockcnt, void *private);
static void delete_file(ext2_filsys fs, struct dup_inode *dp,
* Time to free all of the accumulated data structures that we
* don't need anymore.
*/
- ext2fs_free_inode_bitmap(inode_dup_map); inode_dup_map = 0;
+ ext2fs_free_inode_bitmap(inode_dup_map); inode_dup_map = 0;
ext2fs_free_block_bitmap(block_dup_map); block_dup_map = 0;
for (p = dup_blk; p; p = next_p) {
next_p = p->next_block;
}
for (r = dup_ino; r; r = next_r) {
next_r = r->next;
- if (r->pathname && !(r->flags & DUP_INODE_DONT_FREE_PATHNAME))
- free(r->pathname);
free(r);
}
}
stashed_ino = ino;
if ((ino != EXT2_BAD_INO) &&
(!ext2fs_test_inode_bitmap(inode_used_map, ino) ||
- !inode_has_valid_blocks(&inode)))
+ !ext2fs_inode_has_valid_blocks(&inode)))
goto next;
pb.ino = ino;
dp = allocate_memory(sizeof(struct dup_inode),
"duplicate inode record");
dp->ino = ino;
- dp->mtime = inode.i_mtime;
+ dp->dir = 0;
+ dp->inode = inode;
dp->num_dupblocks = pb.dup_blocks;
- dp->pathname = 0;
- dp->flags = 0;
dp->next = dup_ino;
dup_ino = dp;
if (ino != EXT2_BAD_INO)
}
/*
- * Used by pass1c to name the "special" inodes. They are declared as
- * writeable strings to prevent const problems.
- */
-#define num_special_inodes 7
-char special_inode_name[num_special_inodes][40] =
-{
- "<The NULL inode>", /* 0 */
- "<The bad blocks inode>", /* 1 */
- "/", /* 2 */
- "<The ACL index inode>", /* 3 */
- "<The ACL data inode>", /* 4 */
- "<The boot loader inode>", /* 5 */
- "<The undelete directory inode>" /* 6 */
-};
-
-/*
* Pass 1c: Scan directories for inodes with duplicate blocks. This
* is used so that we can print pathnames when prompting the user for
* what to do.
*/
-struct process_dir_struct {
- ext2_filsys fs;
- ino_t dir_ino;
+struct search_dir_struct {
int count;
+ ino_t first_inode;
};
+static int search_dirent_proc(ino_t dir, int entry,
+ struct ext2_dir_entry *dirent,
+ int offset, int blocksize,
+ char *buf, void *private)
+{
+ struct search_dir_struct *sd = private;
+ struct dup_inode *p;
+
+ if (!dirent->inode || (entry < DIRENT_OTHER_FILE) ||
+ !ext2fs_test_inode_bitmap(inode_dup_map, dirent->inode))
+ return 0;
+
+ for (p = dup_ino; p; p = p->next) {
+ if ((p->ino >= sd->first_inode) &&
+ (p->ino == dirent->inode))
+ break;
+ }
+
+ if (!p || p->dir)
+ return 0;
+
+ p->dir = dir;
+ sd->count--;
+
+ return(sd->count ? 0 : DIRENT_ABORT);
+}
+
+
void pass1c(ext2_filsys fs, char *block_buf)
{
- int i;
struct dup_inode *p;
- errcode_t retval;
- char buf[80];
int inodes_left = dup_inode_count;
- int offset, entry;
- struct ext2_dir_entry *dirent;
+ struct search_dir_struct sd;
printf("Pass 1C: Scan directories for inodes with dup blocks.\n");
/*
* First check to see if any of the inodes with dup blocks is
- * the bad block inode or the root inode; handle them as
- * special cases.
+ * a special inode. (Note that the bad block inode isn't
+ * counted.)
*/
for (p = dup_ino; p; p = p->next) {
- if (p->ino < num_special_inodes) {
- p->pathname = special_inode_name[p->ino];
- p->flags |= DUP_INODE_DONT_FREE_PATHNAME;
+ if ((p->ino < EXT2_FIRST_INODE(fs->super)) &&
+ (p->ino != EXT2_BAD_INO))
inodes_left--;
- }
}
/*
* Search through all directories to translate inodes to names
* (by searching for the containing directory for that inode.)
*/
- for (i=0; inodes_left && i < dir_block_count; i++) {
- retval = ext2fs_read_dir_block(fs, dir_blocks[i].blk,
- block_buf);
- entry = offset = 0;
- while (offset < fs->blocksize) {
- entry++;
- dirent = (struct ext2_dir_entry *)
- (block_buf + offset);
- if (!dirent->inode ||
- ((dir_blocks[i].blockcnt == 0) && (entry <= 2)))
- goto next;
-
- if (!ext2fs_test_inode_bitmap(inode_dup_map,
- dirent->inode))
- goto next;
-
- for (p = dup_ino; p; p = p->next) {
- if (p->ino == dirent->inode)
- break;
- }
-
- if (!p || p->pathname)
- goto next;
-
- (void) ext2fs_get_pathname(fs, dir_blocks[i].ino,
- p->ino, &p->pathname);
- inodes_left--;
-
- next:
- if (dirent->rec_len < 8)
- break;
- offset += dirent->rec_len;
- }
- }
-
-
- /*
- * If we can't get a name, then put in a generic one.
- */
- for (p = dup_ino; p; p = p->next) {
- if (!p->pathname) {
- sprintf(buf, "<Unknown inode #%lu>", p->ino);
- p->pathname = malloc(strlen(buf)+1);
- if (!p->pathname) {
- fprintf(stderr, "pass1c: couldn't malloc "
- "generic pathname\n");
- fatal_error(0);
- }
- strcpy(p->pathname, buf);
- }
- }
+ sd.count = inodes_left;
+ sd.first_inode = EXT2_FIRST_INODE(fs->super);
+ ext2fs_dblist_dir_iterate(fs->dblist, 0, block_buf,
+ search_dirent_proc, &sd);
}
static void pass1d(ext2_filsys fs, char *block_buf)
int shared_len;
int i;
errcode_t retval;
- char *time_str;
int file_ok;
+ struct problem_context pctx;
printf("Pass 1D: Reconciling duplicate blocks\n");
read_bitmaps(fs);
}
}
}
- time_str = ctime(&p->mtime);
- time_str[24] = 0;
- printf("File %s (inode #%lu, mod time %s) \n",
- p->pathname, p->ino, time_str);
- printf(" has %d duplicate blocks, shared with %d file%s:\n",
- p->num_dupblocks, shared_len,
- (shared_len>1) ? "s" : "");
+
+ /*
+ * Report the inode that we are working on
+ */
+ clear_problem_context(&pctx);
+ pctx.inode = &p->inode;
+ pctx.ino = p->ino;
+ pctx.dir = p->dir;
+ pctx.blkcount = p->num_dupblocks;
+ pctx.num = shared_len;
+ fix_problem(fs, PR_1B_DUP_FILE, &pctx);
+ pctx.blkcount = 0;
+ pctx.num = 0;
+
for (i = 0; i < shared_len; i++) {
for (s = dup_ino; s; s = s->next)
if (s->ino == shared[i])
break;
if (!s)
continue;
- time_str = ctime(&s->mtime);
- time_str[24] = 0;
- printf("\t%s (inode #%lu, mod time %s)\n",
- s->pathname, s->ino, time_str);
+ /*
+ * Report the inode that we are sharing with
+ */
+ pctx.inode = &s->inode;
+ pctx.ino = s->ino;
+ pctx.dir = s->dir;
+ fix_problem(fs, PR_1B_DUP_FILE_LIST, &pctx);
}
if (file_ok) {
printf("Duplicated blocks already reassigned or cloned.\n\n");
/*
* pass2.c --- check directory structure
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*
* Pass 2 of e2fsck iterates through all active directory inodes, and
* applies to following tests to each directory entry in the directory
#include "et/com_err.h"
#include "e2fsck.h"
+#include "problem.h"
/*
* Keeps track of how many times an inode is referenced.
*/
-unsigned short * inode_count;
+ext2_icount_t inode_count = 0;
static void deallocate_inode(ext2_filsys fs, ino_t ino,
char* block_buf);
static int process_bad_inode(ext2_filsys fs, ino_t dir, ino_t ino);
static int check_dir_block(ext2_filsys fs,
- struct dir_block_struct *dir_blocks_info,
- char *buf);
+ struct ext2_db_entry *dir_blocks_info,
+ void *private);
static int allocate_dir_block(ext2_filsys fs,
- struct dir_block_struct *dir_blocks_info,
- char *buf);
+ struct ext2_db_entry *dir_blocks_info,
+ char *buf, struct problem_context *pctx);
static int update_dir_block(ext2_filsys fs,
blk_t *block_nr,
int blockcnt,
void *private);
+struct check_dir_struct {
+ char *buf;
+ struct problem_context pctx;
+};
+
void pass2(ext2_filsys fs)
{
- int i;
char *buf;
struct resource_track rtrack;
-
+ struct dir_info *dir;
+ errcode_t retval;
+ ino_t size;
+ struct check_dir_struct cd;
+
init_resource_track(&rtrack);
#ifdef MTRACE
if (!preen)
printf("Pass 2: Checking directory structure\n");
- inode_count = allocate_memory((fs->super->s_inodes_count + 1) *
- sizeof(unsigned short),
- "buffer for inode count");
-
+ size = ext2fs_get_icount_size(inode_link_info) + 10;
+ retval = ext2fs_create_icount(fs, EXT2_ICOUNT_OPT_INCREMENT,
+ size, &inode_count);
+ if (retval) {
+ com_err("ext2fs_create_icount", retval,
+ "while creating inode_count");
+ fatal_error(0);
+ }
buf = allocate_memory(fs->blocksize, "directory scan buffer");
- for (i=0; i < dir_block_count; i++)
- check_dir_block(fs, &dir_blocks[i], buf);
-
+ /*
+ * Set up the parent pointer for the root directory, if
+ * present. (If the root directory is not present, we will
+ * create it in pass 3.)
+ */
+ dir = get_dir_info(EXT2_ROOT_INO);
+ if (dir)
+ dir->parent = EXT2_ROOT_INO;
+
+ cd.buf = buf;
+ clear_problem_context(&cd.pctx);
+
+ retval = ext2fs_dblist_iterate(fs->dblist, check_dir_block, &cd);
+
free(buf);
- free(dir_blocks);
+ ext2fs_free_dblist(fs->dblist);
+
if (inode_bad_map) {
ext2fs_free_inode_bitmap(inode_bad_map);
inode_bad_map = 0;
*/
static int check_dot(ext2_filsys fs,
struct ext2_dir_entry *dirent,
- ino_t ino)
+ ino_t ino, struct problem_context *pctx)
{
struct ext2_dir_entry *nextdir;
int status = 0;
int created = 0;
int new_len;
- const char *question = 0;
+ int problem = 0;
- if (!dirent->inode) {
- printf("Missing '.' in directory inode %lu.\n", ino);
- question = "Fix";
- } else if ((dirent->name_len != 1) ||
- strncmp(dirent->name, ".", dirent->name_len)) {
- char *name = malloc(dirent->name_len + 1);
- if (!name)
- fatal_error("Couldn't allocate . name");
- strncpy(name, dirent->name, dirent->name_len);
- name[dirent->name_len] = '\0';
- printf("First entry in directory inode %lu contains '%s' "
- "(inode=%u)\n", ino, name, dirent->inode);
- printf("instead of '.'.\n");
- free(name);
- question = "Change to be '.'";
- }
- if (question) {
- if (dirent->rec_len < 12)
- fatal_error("Cannot fix, insufficient space to add '.'");
- preenhalt(fs);
- if (ask(question, 1)) {
+ if (!dirent->inode)
+ problem = PR_2_MISSING_DOT;
+ else if ((dirent->name_len != 1) ||
+ (dirent->name[0] != '.'))
+ problem = PR_2_1ST_NOT_DOT;
+ else if (dirent->name[1] != '\0')
+ problem = PR_2_DOT_NULL_TERM;
+
+ if (problem) {
+ if (fix_problem(fs, problem, pctx)) {
+ if (dirent->rec_len < 12)
+ dirent->rec_len = 12;
dirent->inode = ino;
dirent->name_len = 1;
dirent->name[0] = '.';
+ dirent->name[1] = '\0';
status = 1;
created = 1;
- } else {
- ext2fs_unmark_valid(fs);
- return 0;
}
}
if (dirent->inode != ino) {
- printf("Bad inode number for '.' in directory inode %lu.\n",
- ino);
- preenhalt(fs);
- if (ask("Fix", 1)) {
+ if (fix_problem(fs, PR_2_BAD_INODE_DOT, pctx)) {
dirent->inode = ino;
status = 1;
- } else
- ext2fs_unmark_valid(fs);
+ }
}
if (dirent->rec_len > 12) {
new_len = dirent->rec_len - 12;
*/
static int check_dotdot(ext2_filsys fs,
struct ext2_dir_entry *dirent,
- struct dir_info *dir)
+ struct dir_info *dir, struct problem_context *pctx)
{
- ino_t ino = dir->ino;
- const char *question = 0;
+ int problem = 0;
- if (!dirent->inode) {
- printf("Missing '..' in directory inode %lu.\n", ino);
- question = "Fix";
- } else if ((dirent->name_len != 2) ||
- strncmp(dirent->name, "..", dirent->name_len)) {
- char *name = malloc(dirent->name_len + 1);
- if (!name)
- fatal_error("Couldn't allocate bad .. name");
- strncpy(name, dirent->name, dirent->name_len);
- name[dirent->name_len] = '\0';
- printf("Second entry in directory inode %lu contains '%s' "
- "(inode=%u)\n", ino, name, dirent->inode);
- printf("instead of '..'.\n");
- free(name);
- question = "Change to be '..'";
- }
- if (question) {
- if (dirent->rec_len < 12)
- fatal_error("Cannot fix, insufficient space to add '..'");
- preenhalt(fs);
- if (ask(question, 1)) {
+ if (!dirent->inode)
+ problem = PR_2_MISSING_DOT_DOT;
+ else if ((dirent->name_len != 2) ||
+ (dirent->name[0] != '.') ||
+ (dirent->name[1] != '.'))
+ problem = PR_2_2ND_NOT_DOT_DOT;
+ else if (dirent->name[2] != '\0')
+ problem = PR_2_DOT_DOT_NULL_TERM;
+
+ if (problem) {
+ if (fix_problem(fs, problem, pctx)) {
+ if (dirent->rec_len < 12)
+ dirent->rec_len = 12;
/*
* Note: we don't have the parent inode just
* yet, so we will fill it in with the root
dirent->name_len = 2;
dirent->name[0] = '.';
dirent->name[1] = '.';
+ dirent->name[2] = '\0';
return 1;
- } else
- ext2fs_unmark_valid(fs);
+ }
return 0;
}
dir->dotdot = dirent->inode;
return 0;
}
-static char unknown_pathname[] = "???";
-
/*
* Check to make sure a directory entry doesn't contain any illegal
* characters.
*/
static int check_name(ext2_filsys fs,
struct ext2_dir_entry *dirent,
- ino_t dir_ino,
- char *name)
+ ino_t dir_ino, struct problem_context *pctx)
{
int i;
int fixup = -1;
- char *pathname;
int ret = 0;
- errcode_t retval;
for ( i = 0; i < dirent->name_len; i++) {
if (dirent->name[i] == '/' || dirent->name[i] == '\0') {
if (fixup < 0) {
- retval = ext2fs_get_pathname(fs, dir_ino,
- 0, &pathname);
- if (retval) {
- com_err(program_name, retval, "while getting pathname in check_name");
- pathname = unknown_pathname;
- }
- printf ("Bad file name '%s' (contains '/' or "
- " null) in directory '%s' (%lu)\n",
- name, pathname, dir_ino);
- if (pathname != unknown_pathname)
- free(pathname);
- preenhalt(fs);
- fixup = ask("Replace '/' or null by '.'", 1);
+ fixup = fix_problem(fs, PR_2_BAD_NAME, pctx);
}
if (fixup) {
dirent->name[i] = '.';
ret = 1;
- } else
- ext2fs_unmark_valid(fs);
+ }
}
}
return ret;
}
static int check_dir_block(ext2_filsys fs,
- struct dir_block_struct *db,
- char *buf)
+ struct ext2_db_entry *db,
+ void *private)
{
struct dir_info *subdir, *dir;
struct ext2_dir_entry *dirent;
int offset = 0;
int dir_modified = 0;
errcode_t retval;
- char *path1, *path2;
- int dot_state, name_len;
+ int dot_state;
blk_t block_nr = db->blk;
ino_t ino = db->ino;
- char name[EXT2_NAME_LEN+1];
-
+ __u16 links;
+ struct check_dir_struct *cd = private;
+ char *buf = cd->buf;
+
/*
* Make sure the inode is still in use (could have been
* deleted in the duplicate/bad blocks pass.
if (!(ext2fs_test_inode_bitmap(inode_used_map, ino)))
return 0;
+ cd->pctx.ino = ino;
+ cd->pctx.blk = block_nr;
+ cd->pctx.blkcount = db->blockcnt;
+ cd->pctx.ino2 = 0;
+ cd->pctx.dirent = 0;
+ cd->pctx.num = 0;
+
if (db->blk == 0) {
- if (allocate_dir_block(fs, db, buf))
+ if (allocate_dir_block(fs, db, buf, &cd->pctx))
return 0;
block_nr = db->blk;
}
do {
dot_state++;
dirent = (struct ext2_dir_entry *) (buf + offset);
+ cd->pctx.dirent = dirent;
+ cd->pctx.num = offset;
if (((offset + dirent->rec_len) > fs->blocksize) ||
(dirent->rec_len < 8) ||
+ ((dirent->rec_len % 4) != 0) ||
((dirent->name_len+8) > dirent->rec_len)) {
- printf("Directory inode %lu, block %d, offset %d: directory corrupted\n",
- ino, db->blockcnt, offset);
- preenhalt(fs);
- if (ask("Salvage", 1)) {
+ if (fix_problem(fs, PR_2_DIR_CORRUPTED, &cd->pctx)) {
dirent->rec_len = fs->blocksize - offset;
dirent->name_len = 0;
dirent->inode = 0;
dir_modified++;
- } else {
- ext2fs_unmark_valid(fs);
+ } else
return DIRENT_ABORT;
- }
}
- name_len = dirent->name_len;
if (dirent->name_len > EXT2_NAME_LEN) {
- printf("Directory inode %lu, block %d, offset %d: filename too long\n",
- ino, db->blockcnt, offset);
- preenhalt(fs);
- if (ask("Truncate filename", 1)) {
+ if (fix_problem(fs, PR_2_FILENAME_LONG, &cd->pctx)) {
dirent->name_len = EXT2_NAME_LEN;
dir_modified++;
}
- name_len = EXT2_NAME_LEN;
}
- strncpy(name, dirent->name, name_len);
- name[name_len] = '\0';
-
if (dot_state == 1) {
- if (check_dot(fs, dirent, ino))
+ if (check_dot(fs, dirent, ino, &cd->pctx))
dir_modified++;
} else if (dot_state == 2) {
dir = get_dir_info(ino);
ino);
fatal_error(0);
}
- if (check_dotdot(fs, dirent, dir))
+ if (check_dotdot(fs, dirent, dir, &cd->pctx))
dir_modified++;
} else if (dirent->inode == ino) {
- retval = ext2fs_get_pathname(fs, ino, 0, &path1);
- if (retval)
- path1 = unknown_pathname;
- printf("Entry '%s' in %s (%lu) is a link to '.' ",
- name, path1, ino);
- if (path1 != unknown_pathname)
- free(path1);
- preenhalt(fs);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs, PR_2_LINK_DOT, &cd->pctx)) {
dirent->inode = 0;
dir_modified++;
+ goto next;
}
}
if (!dirent->inode)
goto next;
-#if 0
- printf("Entry '%s', name_len %d, rec_len %d, inode %lu... ",
- name, dirent->name_len, dirent->rec_len, dirent->inode);
-#endif
- if (check_name(fs, dirent, ino, name))
+ if (check_name(fs, dirent, ino, &cd->pctx))
dir_modified++;
/*
if (((dirent->inode != EXT2_ROOT_INO) &&
(dirent->inode < EXT2_FIRST_INODE(fs->super))) ||
(dirent->inode > fs->super->s_inodes_count)) {
- retval = ext2fs_get_pathname(fs, ino, 0, &path1);
- if (retval)
- path1 = unknown_pathname;
- printf("Entry '%s' in %s (%lu) has bad inode #: %u.\n",
- name, path1, ino, dirent->inode);
- if (path1 != unknown_pathname)
- free(path1);
- preenhalt(fs);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs, PR_2_BAD_INO, &cd->pctx)) {
dirent->inode = 0;
dir_modified++;
goto next;
- } else
- ext2fs_unmark_valid(fs);
+ }
}
/*
- * If the inode is unusued, offer to clear it.
+ * If the inode is unused, offer to clear it.
*/
if (!(ext2fs_test_inode_bitmap(inode_used_map,
dirent->inode))) {
- retval = ext2fs_get_pathname(fs, ino, 0, &path1);
- if (retval)
- path1 = unknown_pathname;
- printf("Entry '%s' in %s (%lu) has deleted/unused inode %u.\n",
- name, path1, ino, dirent->inode);
- if (path1 != unknown_pathname)
- free(path1);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs, PR_2_UNUSED_INODE, &cd->pctx)) {
dirent->inode = 0;
dir_modified++;
goto next;
- } else
- ext2fs_unmark_valid(fs);
+ }
+ }
+
+ /*
+ * If the inode is in a bad block, offer to clear it.
+ */
+ if (inode_bb_map &&
+ (ext2fs_test_inode_bitmap(inode_bb_map,
+ dirent->inode))) {
+ if (fix_problem(fs, PR_2_BB_INODE, &cd->pctx)) {
+ dirent->inode = 0;
+ dir_modified++;
+ goto next;
+ }
}
/*
}
/*
+ * Don't allow links to the root directory. We check
+ * this specially to make sure we catch this error
+ * case even if the root directory hasn't been created
+ * yet.
+ */
+ if ((dot_state > 2) && (dirent->inode == EXT2_ROOT_INO)) {
+ if (fix_problem(fs, PR_2_LINK_ROOT, &cd->pctx)) {
+ dirent->inode = 0;
+ dir_modified++;
+ goto next;
+ }
+ }
+
+ /*
* If this is a directory, then mark its parent in its
* dir_info structure. If the parent field is already
* filled in, then this directory has more than one
fatal_error(0);
}
if (subdir->parent) {
- retval = ext2fs_get_pathname(fs, ino,
- 0, &path1);
- if (retval)
- path1 = unknown_pathname;
- retval = ext2fs_get_pathname(fs,
- subdir->parent,
- dirent->inode,
- &path2);
- if (retval)
- path2 = unknown_pathname;
- printf("Entry '%s' in %s (%lu) is a link to directory %s (%u).\n",
- name, path1, ino, path2,
- dirent->inode);
- if (path1 != unknown_pathname)
- free(path1);
- if (path2 != unknown_pathname)
- free(path2);
- if (ask("Clear", 1)) {
+ cd->pctx.ino2 = subdir->parent;
+ if (fix_problem(fs, PR_2_LINK_DIR,
+ &cd->pctx)) {
dirent->inode = 0;
dir_modified++;
goto next;
- } else
- ext2fs_unmark_valid(fs);
- }
- subdir->parent = ino;
+ }
+ cd->pctx.ino2 = 0;
+ } else
+ subdir->parent = ino;
}
- if (inode_count[dirent->inode]++ > 0)
+ ext2fs_icount_increment(inode_count, dirent->inode, &links);
+ if (links > 1)
fs_links_count++;
fs_total_count++;
next:
errcode_t retval;
struct ext2_inode inode;
- inode_link_info[ino] = 0;
+ ext2fs_icount_store(inode_link_info, ino, 0);
e2fsck_read_inode(fs, ino, &inode, "deallocate_inode");
inode.i_links_count = 0;
inode.i_dtime = time(0);
ext2fs_unmark_inode_bitmap(fs->inode_map, ino);
ext2fs_mark_ib_dirty(fs);
- if (!inode_has_valid_blocks(&inode))
+ if (!ext2fs_inode_has_valid_blocks(&inode))
return;
ext2fs_mark_bb_dirty(fs);
ino);
}
-/*
- * These two subroutines are used by process_bad_inode; it is used to
- * make sure that certain reserved fields are really zero. If not,
- * prompt the user if he/she wants us to zeroize them.
- */
-static void check_for_zero_u32(ext2_filsys fs, ino_t ino, char *pathname,
- const char *name, __u32 *val,
- int *modified)
-{
- char prompt[80];
-
- if (*val) {
- printf("%s for inode %lu (%s) is %u, should be zero.\n",
- name, ino, pathname, *val);
- preenhalt(fs);
- sprintf(prompt, "Clear %s", name);
- if (ask(prompt, 1)) {
- *val = 0;
- *modified = 1;
- } else
- ext2fs_unmark_valid(fs);
- }
-}
-
-static void check_for_zero_u8(ext2_filsys fs, ino_t ino, char *pathname,
- const char *name, __u8 *val,
- int *modified)
-{
- char prompt[80];
-
- if (*val) {
- printf("%s for inode %lu (%s) is %d, should be zero.\n",
- name, ino, pathname, *val);
- preenhalt(fs);
- sprintf(prompt, "Clear %s", name);
- if (ask(prompt, 1)) {
- *val = 0;
- *modified = 1;
- } else
- ext2fs_unmark_valid(fs);
- }
-}
-
-
-
static int process_bad_inode(ext2_filsys fs, ino_t dir, ino_t ino)
{
struct ext2_inode inode;
- errcode_t retval;
int inode_modified = 0;
- char *pathname;
unsigned char *frag, *fsize;
+ struct problem_context pctx;
e2fsck_read_inode(fs, ino, &inode, "process_bad_inode");
- retval = ext2fs_get_pathname(fs, dir, ino, &pathname);
- if (retval) {
- com_err("process_bad_inode", retval,
- "while getting pathname for inode %d",
- ino);
- return 0;
- }
+
+ clear_problem_context(&pctx);
+ pctx.ino = ino;
+ pctx.dir = dir;
+ pctx.inode = &inode;
+
if (!LINUX_S_ISDIR(inode.i_mode) && !LINUX_S_ISREG(inode.i_mode) &&
!LINUX_S_ISCHR(inode.i_mode) && !LINUX_S_ISBLK(inode.i_mode) &&
!LINUX_S_ISLNK(inode.i_mode) && !LINUX_S_ISFIFO(inode.i_mode) &&
!(LINUX_S_ISSOCK(inode.i_mode))) {
- printf("Inode %lu (%s) has a bad mode (0%o).\n",
- ino, pathname, inode.i_mode);
- preenhalt(fs);
- if (ask("Clear", 1)) {
+ if (fix_problem(fs, PR_2_BAD_MODE, &pctx)) {
deallocate_inode(fs, ino, 0);
- free(pathname);
return 1;
- } else
- ext2fs_unmark_valid(fs);
+ }
+ }
+ if (inode.i_faddr &&
+ fix_problem(fs, PR_2_FADDR_ZERO, &pctx)) {
+ inode.i_faddr = 0;
+ inode_modified++;
}
- check_for_zero_u32(fs, ino, pathname, "i_faddr", &inode.i_faddr,
- &inode_modified);
switch (fs->super->s_creator_os) {
case EXT2_OS_LINUX:
default:
frag = fsize = 0;
}
- if (frag)
- check_for_zero_u8(fs, ino, pathname, "i_frag", frag,
- &inode_modified);
- if (fsize)
- check_for_zero_u8(fs, ino, pathname, "i_fsize", fsize,
- &inode_modified);
-
- check_for_zero_u32(fs, ino, pathname, "i_file_acl", &inode.i_file_acl,
- &inode_modified);
- check_for_zero_u32(fs, ino, pathname, "i_dir_acl", &inode.i_dir_acl,
- &inode_modified);
- free(pathname);
+ if (frag && *frag) {
+ pctx.num = *frag;
+ if (fix_problem(fs, PR_2_FRAG_ZERO, &pctx)) {
+ *frag = 0;
+ inode_modified++;
+ }
+ pctx.num = 0;
+ }
+ if (fsize && *fsize) {
+ pctx.num = *fsize;
+ if (fix_problem(fs, PR_2_FSIZE_ZERO, &pctx)) {
+ *fsize = 0;
+ inode_modified++;
+ }
+ pctx.num = 0;
+ }
+
+ if (inode.i_file_acl &&
+ fix_problem(fs, PR_2_FILE_ACL_ZERO, &pctx)) {
+ inode.i_file_acl = 0;
+ inode_modified++;
+ }
+ if (inode.i_dir_acl &&
+ fix_problem(fs, PR_2_DIR_ACL_ZERO, &pctx)) {
+ inode.i_dir_acl = 0;
+ inode_modified++;
+ }
if (inode_modified)
e2fsck_write_inode(fs, ino, &inode, "process_bad_inode");
return 0;
* that was zeroed out and now needs to be replaced.
*/
static int allocate_dir_block(ext2_filsys fs,
- struct dir_block_struct *db,
- char *buf)
+ struct ext2_db_entry *db,
+ char *buf, struct problem_context *pctx)
{
blk_t blk;
char *block;
struct ext2_inode inode;
errcode_t retval;
- printf("Directory inode %lu has a hole at block #%d\n",
- db->ino, db->blockcnt);
- if (ask("Allocate block", 1) == 0)
+ if (fix_problem(fs, PR_2_DIRECTORY_HOLE, pctx) == 0)
return 1;
/*
int blockcnt,
void *private)
{
- struct dir_block_struct *db = private;
+ struct ext2_db_entry *db = private;
if (db->blockcnt == blockcnt) {
*block_nr = db->blk;
/*
* pass3.c -- pass #3 of e2fsck: Check for directory connectivity
*
- * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*
* Pass #3 assures that all directories are connected to the
* filesystem tree, using the following algorithm:
#include "et/com_err.h"
#include "e2fsck.h"
+#include "problem.h"
-static void check_root(ext2_filsys fs, ino_t root_ino);
-static void check_directory(ext2_filsys fs, ino_t dir);
+static void check_root(ext2_filsys fs);
+static void check_directory(ext2_filsys fs, struct dir_info *dir,
+ struct problem_context *pctx);
static ino_t get_lost_and_found(ext2_filsys fs);
static void fix_dotdot(ext2_filsys fs, struct dir_info *dir, ino_t parent);
static errcode_t adjust_inode_count(ext2_filsys fs, ino_t ino, int adj);
int i;
errcode_t retval;
struct resource_track rtrack;
+ struct problem_context pctx;
+ struct dir_info *dir;
init_resource_track(&rtrack);
print_resource_track(&global_rtrack);
}
- check_root(fs, EXT2_ROOT_INO);
+ check_root(fs);
ext2fs_mark_inode_bitmap(inode_done_map, EXT2_ROOT_INO);
- for (i=1; i <= fs->super->s_inodes_count; i++) {
- if (ext2fs_test_inode_bitmap(inode_dir_map, i))
- check_directory(fs, i);
+ clear_problem_context(&pctx);
+ for (i=0; (dir = dir_info_iter(&i)) != 0;) {
+ if (ext2fs_test_inode_bitmap(inode_dir_map, dir->ino))
+ check_directory(fs, dir, &pctx);
}
+
free_dir_info(fs);
ext2fs_free_inode_bitmap(inode_loop_detect);
ext2fs_free_inode_bitmap(inode_done_map);
* This makes sure the root inode is present; if not, we ask if the
* user wants us to create it. Not creating it is a fatal error.
*/
-void check_root(ext2_filsys fs, ino_t root_ino)
+static void check_root(ext2_filsys fs)
{
blk_t blk;
errcode_t retval;
struct ext2_inode inode;
char * block;
- struct dir_info *dir;
- if (ext2fs_test_inode_bitmap(inode_used_map, root_ino)) {
+ if (ext2fs_test_inode_bitmap(inode_used_map, EXT2_ROOT_INO)) {
/*
* If the root inode is a directory, die here. The
* user must have answered 'no' in pass1 when we
* offered to clear it.
*/
- if (!(ext2fs_test_inode_bitmap(inode_dir_map, root_ino)))
+ if (!(ext2fs_test_inode_bitmap(inode_dir_map, EXT2_ROOT_INO)))
fatal_error("Root inode not directory");
-
- /*
- * Set up the parent pointer for the root; this isn't
- * done anywhere else, so we do it here.
- */
- dir = get_dir_info(root_ino);
- dir->parent = root_ino;
-
return;
}
- printf("Root inode not allocated. ");
- preenhalt(fs);
- if (!ask("Reallocate", 1)) {
- ext2fs_unmark_valid(fs);
+ if (!fix_problem(fs, PR_3_NO_ROOT_INODE, 0))
fatal_error("Cannot proceed without a root inode.");
- }
read_bitmaps(fs);
/*
* Miscellaneous bookkeeping...
*/
- add_dir_info(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, &inode);
- inode_count[EXT2_ROOT_INO] = 2;
- inode_link_info[EXT2_ROOT_INO] = 2;
+ add_dir_info(fs, EXT2_ROOT_INO, EXT2_ROOT_INO);
+ ext2fs_icount_store(inode_count, EXT2_ROOT_INO, 2);
+ ext2fs_icount_store(inode_link_info, EXT2_ROOT_INO, 2);
ext2fs_mark_inode_bitmap(inode_used_map, EXT2_ROOT_INO);
ext2fs_mark_inode_bitmap(inode_dir_map, EXT2_ROOT_INO);
* a loop, we treat that as a disconnected directory and offer to
* reparent it to lost+found.
*/
-static void check_directory(ext2_filsys fs, ino_t ino)
+static void check_directory(ext2_filsys fs, struct dir_info *dir,
+ struct problem_context *pctx)
{
- struct dir_info *dir;
- struct dir_info *p;
- errcode_t retval;
- char *path1, *path2, *path3;
- static char unknown[] = "???";
-
- dir = get_dir_info(ino);
- if (!dir) {
- printf("Internal error: couldn't find dir_info for %lu\n",
- ino);
- fatal_error(0);
- }
+ struct dir_info *p = dir;
ext2fs_clear_inode_bitmap(inode_loop_detect);
- p = dir;
while (p) {
/*
* If we find a parent which we've already checked,
* If we've reached here, we've hit a detached directory
* inode; offer to reconnect it to lost+found.
*/
- retval = ext2fs_get_pathname(fs, p->ino, 0, &path1);
- if (retval)
- path1 = unknown;
-
- printf("Unconnected directory inode %lu (%s)\n", p->ino, path1);
- if (path1 != unknown)
- free(path1);
- preenhalt(fs);
- if (ask("Connect to /lost+found", 1)) {
+ pctx->ino = p->ino;
+ if (fix_problem(fs, PR_3_UNCONNECTED_DIR, pctx)) {
if (reconnect_file(fs, p->ino))
ext2fs_unmark_valid(fs);
else {
p->parent = lost_and_found;
fix_dotdot(fs, p, lost_and_found);
}
-
- } else
- ext2fs_unmark_valid(fs);
+ }
/*
* Make sure that .. and the parent directory are the same;
*/
check_dot_dot:
if (dir->parent != dir->dotdot) {
- retval = ext2fs_get_pathname(fs, dir->parent, ino,
- &path1);
- if (retval)
- path1 = unknown;
- retval = ext2fs_get_pathname(fs, dir->dotdot, 0, &path2);
- if (retval)
- path2 = unknown;
- retval = ext2fs_get_pathname(fs, dir->parent, 0, &path3);
- if (retval)
- path3 = unknown;
-
- printf("'..' in %s (%lu) is %s (%lu), should be %s (%lu).\n",
- path1, ino, path2, dir->dotdot,
- path3, dir->parent);
- if (path1 != unknown)
- free(path1);
- if (path2 != unknown)
- free(path2);
- if (path3 != unknown)
- free(path3);
- if (ask("Fix", 1))
+ pctx->ino = dir->ino;
+ pctx->ino2 = dir->dotdot;
+ pctx->dir = dir->parent;
+ if (fix_problem(fs, PR_3_BAD_DOT_DOT, pctx))
fix_dotdot(fs, dir, dir->parent);
- else
- ext2fs_unmark_valid(fs);
}
}
errcode_t retval;
struct ext2_inode inode;
char * block;
- const char * name = "lost+found";
+ const char name[] = "lost+found";
- retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
+ retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name,
+ sizeof(name)-1, 0, &ino);
if (!retval)
return ino;
if (retval != ENOENT)
printf("Error while trying to find /lost+found: %s",
error_message(retval));
- else
- printf("/lost+found not found. ");
- preenhalt(fs);
- if (!ask("Create", 1)) {
- ext2fs_unmark_valid(fs);
+ if (!fix_problem(fs, PR_3_NO_LF_DIR, 0))
return 0;
- }
/*
* Read the inode and block bitmaps in; we'll be messing with
/*
* Miscellaneous bookkeeping that needs to be kept straight.
*/
- add_dir_info(fs, ino, EXT2_ROOT_INO, &inode);
+ add_dir_info(fs, ino, EXT2_ROOT_INO);
adjust_inode_count(fs, EXT2_ROOT_INO, +1);
- inode_count[ino] = 2;
- inode_link_info[ino] = 2;
+ ext2fs_icount_store(inode_count, ino, 2);
+ ext2fs_icount_store(inode_link_info, ino, 2);
#if 0
printf("/lost+found created; inode #%lu\n", ino);
#endif
sprintf(name, "#%lu", inode);
retval = ext2fs_link(fs, lost_and_found, name, inode, 0);
if (retval == EXT2_ET_DIR_NO_SPACE) {
- if (!ask("No room in /lost+found; expand /lost+found", 1))
+ if (!fix_problem(fs, PR_3_EXPAND_LF_DIR, 0))
return 1;
retval = expand_directory(fs, lost_and_found);
if (retval) {
#endif
inode.i_links_count += adj;
- inode_count[ino] += adj;
- inode_link_info[ino] += adj;
+ if (adj == 1) {
+ ext2fs_icount_increment(inode_count, ino, 0);
+ ext2fs_icount_increment(inode_link_info, ino, 0);
+ } else {
+ ext2fs_icount_decrement(inode_count, ino, 0);
+ ext2fs_icount_decrement(inode_link_info, ino, 0);
+ }
+
retval = ext2fs_write_inode(fs, ino, &inode);
if (retval)
/*
* pass4.c -- pass #4 of e2fsck: Check reference counts
*
- * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
- *
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
+ * Pass 4 frees the following data structures:
+ * - A bitmap of which inodes are in bad blocks. (inode_bb_map)
*/
#include "e2fsck.h"
+#include "problem.h"
/*
* This routine is called when an inode is not connected to the
* This subroutine returns 1 then the caller shouldn't bother with the
* rest of the pass 4 tests.
*/
-int disconnect_inode(ext2_filsys fs, ino_t i)
+static int disconnect_inode(ext2_filsys fs, ino_t i)
{
struct ext2_inode inode;
+ struct problem_context pctx;
e2fsck_read_inode(fs, i, &inode, "pass4: disconnect_inode");
+ clear_problem_context(&pctx);
+ pctx.ino = i;
+ pctx.inode = &inode;
+
if (!inode.i_blocks && (LINUX_S_ISREG(inode.i_mode) ||
LINUX_S_ISDIR(inode.i_mode))) {
/*
* This is a zero-length file; prompt to delete it...
*/
- printf("Unattached zero-length inode %lu\n", i);
- if (ask("Clear", 1)) {
- inode_link_info[i] = 0;
+ if (fix_problem(fs, PR_4_ZERO_LEN_INODE, &pctx)) {
+ ext2fs_icount_store(inode_link_info, i, 0);
inode.i_links_count = 0;
inode.i_dtime = time(0);
e2fsck_write_inode(fs, i, &inode,
/*
* Prompt to reconnect.
*/
- printf("Unattached inode %lu\n", i);
- preenhalt(fs);
- if (ask("Connect to /lost+found", 1)) {
+ if (fix_problem(fs, PR_4_UNATTACHED_INODE, &pctx)) {
if (reconnect_file(fs, i))
ext2fs_unmark_valid(fs);
} else {
ino_t i;
struct ext2_inode inode;
struct resource_track rtrack;
+ struct problem_context pctx;
+ __u16 link_count, link_counted;
init_resource_track(&rtrack);
if (!preen)
printf("Pass 4: Checking reference counts\n");
+ clear_problem_context(&pctx);
for (i=1; i <= fs->super->s_inodes_count; i++) {
if (i == EXT2_BAD_INO ||
(i > EXT2_ROOT_INO && i < EXT2_FIRST_INODE(fs->super)))
continue;
- if (!(ext2fs_test_inode_bitmap(inode_used_map, i)))
+ if (!(ext2fs_test_inode_bitmap(inode_used_map, i)) ||
+ (inode_bb_map &&
+ ext2fs_test_inode_bitmap(inode_bb_map, i)))
continue;
- if (inode_count[i] == 0) {
+ ext2fs_icount_fetch(inode_link_info, i, &link_count);
+ ext2fs_icount_fetch(inode_count, i, &link_counted);
+ if (link_counted == 0) {
if (disconnect_inode(fs, i))
continue;
+ ext2fs_icount_fetch(inode_link_info, i, &link_count);
+ ext2fs_icount_fetch(inode_count, i, &link_counted);
}
- if (inode_count[i] != inode_link_info[i]) {
+ if (link_counted != link_count) {
e2fsck_read_inode(fs, i, &inode, "pass4");
- if (inode_link_info[i] != inode.i_links_count) {
+ pctx.ino = i;
+ pctx.inode = &inode;
+ if (link_count != inode.i_links_count) {
printf("WARNING: PROGRAMMING BUG IN E2FSCK!\n");
printf("\tOR SOME BONEHEAD (YOU) IS CHECKING "
"A MOUNTED (LIVE) FILESYSTEM.\n");
printf("inode_link_info[%ld] is %u, "
"inode.i_links_count is %d. "
"They should be the same!\n",
- i, inode_link_info[i],
+ i, link_count,
inode.i_links_count);
}
- printf("Inode %lu has ref count %d, expecting %d.\n",
- i, inode.i_links_count, inode_count[i]);
- if (ask("Set i_nlinks to count", 1)) {
- inode.i_links_count = inode_count[i];
+ pctx.num = link_counted;
+ if (fix_problem(fs, PR_4_BAD_REF_COUNT, &pctx)) {
+ inode.i_links_count = link_counted;
e2fsck_write_inode(fs, i, &inode, "pass4");
- } else
- ext2fs_unmark_valid(fs);
+ }
}
}
- free(inode_link_info); inode_link_info = 0;
- free(inode_count); inode_count = 0;
+ ext2fs_free_icount(inode_link_info); inode_link_info = 0;
+ ext2fs_free_icount(inode_count); inode_count = 0;
+ ext2fs_free_inode_bitmap(inode_bb_map);
if (tflag > 1) {
printf("Pass 4: ");
print_resource_track(&rtrack);
/*
* pass5.c --- check block and inode bitmaps against on-disk bitmaps
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*
*/
--- /dev/null
+/*
+ * problem.c --- report filesystem problems to the user
+ *
+ * Copyright 1996, 1997 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+
+#include "e2fsck.h"
+
+#include "problem.h"
+
+#define PROMPT_FIX 0
+#define PROMPT_CLEAR 1
+#define PROMPT_RELOCATE 2
+#define PROMPT_ALLOCATE 3
+#define PROMPT_EXPAND 4
+#define PROMPT_CONNECT 5
+#define PROMPT_CREATE 6
+#define PROMPT_SALVAGE 7
+#define PROMPT_TRUNCATE 8
+#define PROMPT_CLEAR_INODE 9
+
+/*
+ * These are the prompts which are used to ask the user if they want
+ * to fix a problem.
+ */
+static const char *prompt[] = {
+ "Fix", /* 0 */
+ "Clear", /* 1 */
+ "Relocate", /* 2 */
+ "Allocate", /* 3 */
+ "Expand", /* 4 */
+ "Connect to /lost+found", /* 5 */
+ "Create", /* 6 */
+ "Salvage", /* 7 */
+ "Truncate", /* 8 */
+ "Clear inode" /* 9 */
+ };
+
+/*
+ * These messages are printed when we are preen mode and we will be
+ * automatically fixing the problem.
+ */
+static const char *preen_msg[] = {
+ "FIXED", /* 0 */
+ "CLEARED", /* 1 */
+ "RELOCATED", /* 2 */
+ "ALLOCATED", /* 3 */
+ "EXPANDED", /* 4 */
+ "RECONNECTED", /* 5 */
+ "CREATED", /* 6 */
+ "SALVAGED", /* 7 */
+ "TRUNCATED", /* 8 */
+ "INODE CLEARED" /* 9 */
+};
+
+static struct e2fsck_problem problem_table[] = {
+
+ /* Pre-Pass 1 errors */
+
+ /* Block bitmap not in group */
+ { PR_0_BB_NOT_GROUP, "@b @B for @g %g is not in @g. (@b %b)\n",
+ PROMPT_RELOCATE, 0 },
+
+ /* Inode bitmap not in group */
+ { PR_0_IB_NOT_GROUP, "@i @B for @g %g is not in @g. (@b %b)\n",
+ PROMPT_RELOCATE, 0 },
+
+ /* Inode table not in group */
+ { PR_0_ITABLE_NOT_GROUP,
+ "@i table for @g %g is not in @g. (@b %b)\n"
+ "WARNING: SEVERE DATA LOSS POSSIBLE.\n",
+ PROMPT_RELOCATE, 0 },
+
+ /* Pass 1 errors */
+
+ /* Root directory is not an inode */
+ { PR_1_ROOT_NO_DIR, "@r is not a @d. ",
+ PROMPT_CLEAR, 0 },
+
+ /* Root directory has dtime set */
+ { PR_1_ROOT_DTIME,
+ "@r has dtime set (probably due to old mke2fs). ",
+ PROMPT_FIX, PR_PREEN_OK },
+
+ /* Reserved inode has bad mode */
+ { PR_1_RESERVED_BAD_MODE,
+ "Reserved @i %i has bad mode. ",
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* Deleted inode has zero dtime */
+ { PR_1_ZERO_DTIME,
+ "@D @i %i has zero dtime. ",
+ PROMPT_FIX, PR_PREEN_OK },
+
+ /* Inode in use, but dtime set */
+ { PR_1_SET_DTIME,
+ "@i %i is in use, but has dtime set. ",
+ PROMPT_FIX, PR_PREEN_OK },
+
+ /* Zero-length directory */
+ { PR_1_ZERO_LENGTH_DIR,
+ "@i %i is a @z @d. ",
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* Block bitmap conflicts with some other fs block */
+ { PR_1_BB_CONFLICT,
+ "@g %N's @b @B at %b @C.\n",
+ PROMPT_RELOCATE, 0 },
+
+ /* Inode bitmap conflicts with some other fs block */
+ { PR_1_IB_CONFLICT,
+ "@g %N's @i @B at %b @C.\n",
+ PROMPT_RELOCATE, 0 },
+
+ /* Inode table conflicts with some other fs block */
+ { PR_1_ITABLE_CONFLICT,
+ "@g %g's @i table at %b @C.\n",
+ PROMPT_RELOCATE, 0 },
+
+ /* Block bitmap is on a bad block */
+ { PR_1_BB_BAD_BLOCK,
+ "@g %g's @b @B (%b) is bad. ",
+ PROMPT_RELOCATE, 0 },
+
+ /* Inode bitmap is on a bad block */
+ { PR_1_IB_BAD_BLOCK,
+ "@g %g's @i @B (%b) is bad. ",
+ PROMPT_RELOCATE, 0 },
+
+ /* Inode has incorrect i_size */
+ { PR_1_BAD_I_SIZE,
+ "@i %i, i_size is %Is, @s %N. ",
+ PROMPT_FIX, PR_PREEN_OK },
+
+ /* Inode has incorrect i_blocks */
+ { PR_1_BAD_I_BLOCKS,
+ "@i %i, i_blocks is %Ib, @s %N. ",
+ PROMPT_FIX, PR_PREEN_OK },
+
+ /* Illegal block number in inode */
+ { PR_1_ILLEGAL_BLOCK_NUM,
+ "Illegal @b #%B (%b) in @i %i. ",
+ PROMPT_CLEAR, PR_LATCH_BLOCK },
+
+ /* Block number overlaps fs metadata */
+ { PR_1_BLOCK_OVERLAPS_METADATA,
+ "@b #%B (%b) overlaps filesystem metadata in @i %i. ",
+ PROMPT_CLEAR, PR_LATCH_BLOCK },
+
+ /* Inode has illegal blocks (latch question) */
+ { PR_1_INODE_BLOCK_LATCH,
+ "@i %i has illegal @b(s). ",
+ PROMPT_CLEAR, 0 },
+
+ /* Too many bad blocks in inode */
+ { PR_1_TOO_MANY_BAD_BLOCKS,
+ "Too many illegal @bs in @i %i.\n",
+ PROMPT_CLEAR_INODE, PR_NO_OK },
+
+ /* Illegal block number in bad block inode */
+ { PR_1_BB_ILLEGAL_BLOCK_NUM,
+ "Illegal @b #%B (%b) in bad @b @i. ",
+ PROMPT_CLEAR, PR_LATCH_BBLOCK },
+
+ /* Bad block inode has illegal blocks (latch question) */
+ { PR_1_INODE_BBLOCK_LATCH,
+ "Bad @b @i has illegal @b(s). ",
+ PROMPT_CLEAR, 0 },
+
+ /* Pass 1b errors */
+
+ /* File has duplicate blocks */
+ { PR_1B_DUP_FILE,
+ "File %Q (@i #%i, mod time %IM) \n"
+ " has %B duplicate @b(s), shared with %N file(s):\n",
+ PROMPT_FIX, PR_MSG_ONLY },
+
+ /* List of files sharing duplicate blocks */
+ { PR_1B_DUP_FILE_LIST,
+ "\t%Q (@i #%i, mod time %IM)\n",
+ PROMPT_FIX, PR_MSG_ONLY },
+
+
+ /* Pass 2 errors */
+
+ /* Bad inode number for '.' */
+ { PR_2_BAD_INODE_DOT,
+ "Bad @i number for '.' in @d @i %i.\n",
+ PROMPT_FIX, 0 },
+
+ /* Directory entry has bad inode number */
+ { PR_2_BAD_INO,
+ "@E has bad @i #: %Di.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* Directory entry has deleted or unused inode */
+ { PR_2_UNUSED_INODE,
+ "@E has @D/unused @i %Di. ",
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* Directry entry is link to '.' */
+ { PR_2_LINK_DOT,
+ "@E @L to '.' ",
+ PROMPT_CLEAR, 0 },
+
+ /* Directory entry points to inode now located in a bad block */
+ { PR_2_BB_INODE,
+ "@E points to @i (%Di) located in a bad @b.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* Directory entry contains a link to a directory */
+ { PR_2_LINK_DIR,
+ "@E @L to @d %P (%Di).\n",
+ PROMPT_CLEAR, 0 },
+
+ /* Directory entry contains a link to the root directry */
+ { PR_2_LINK_ROOT,
+ "@E @L to the @r.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* Directory entry has illegal characters in its name */
+ { PR_2_BAD_NAME,
+ "@E has illegal characters in its name.\n",
+ PROMPT_FIX, 0 },
+
+ /* Missing '.' in directory inode */
+ { PR_2_MISSING_DOT,
+ "Missing '.' in @d @i %i.\n",
+ PROMPT_FIX, 0 },
+
+ /* Missing '..' in directory inode */
+ { PR_2_MISSING_DOT_DOT,
+ "Missing '..' in @d @i %i.\n",
+ PROMPT_FIX, 0 },
+
+ /* First entry in directory inode doesn't contain '.' */
+ { PR_2_1ST_NOT_DOT,
+ "First @e '%Dn' (inode=%Di) in @d @i %i (%p) @s '.'\n",
+ PROMPT_FIX, 0 },
+
+ /* Second entry in directory inode doesn't contain '..' */
+ { PR_2_2ND_NOT_DOT_DOT,
+ "Second @e '%Dn' (inode=%Di) in @d @i %i @s '..'\n",
+ PROMPT_FIX, 0 },
+
+ /* i_faddr should be zero */
+ { PR_2_FADDR_ZERO,
+ "i_faddr @F %IF, @s zero.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* i_file_acl should be zero */
+ { PR_2_FILE_ACL_ZERO,
+ "i_file_acl @F %If, @s zero.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* i_dir_acl should be zero */
+ { PR_2_DIR_ACL_ZERO,
+ "i_dir_acl @F %Id, @s zero.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* i_frag should be zero */
+ { PR_2_FRAG_ZERO,
+ "i_frag @F %N, @s zero.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* i_fsize should be zero */
+ { PR_2_FSIZE_ZERO,
+ "i_fsize @F %N, @s zero.\n",
+ PROMPT_CLEAR, 0 },
+
+ /* inode has bad mode */
+ { PR_2_BAD_MODE,
+ "@i %i (%Q) has a bad mode (%Im).\n",
+ PROMPT_CLEAR, 0 },
+
+ /* directory corrupted */
+ { PR_2_DIR_CORRUPTED,
+ "@d @i %i, @b %B, offset %N: @d corrupted\n",
+ PROMPT_SALVAGE, 0 },
+
+ /* filename too long */
+ { PR_2_FILENAME_LONG,
+ "@d @i %i, @b %B, offset %N: filename too long\n",
+ PROMPT_TRUNCATE, 0 },
+
+ /* Directory inode has a missing block (hole) */
+ { PR_2_DIRECTORY_HOLE,
+ "@d @i %i has an unallocated @b #%B. ",
+ PROMPT_ALLOCATE, 0 },
+
+ /* '.' is not NULL terminated */
+ { PR_2_DOT_NULL_TERM,
+ "'.' directory entry in @d @i %i is not NULL terminated\n",
+ PROMPT_FIX, 0 },
+
+ /* '..' is not NULL terminated */
+ { PR_2_DOT_DOT_NULL_TERM,
+ "'..' directory entry in @d @i %i is not NULL terminated\n",
+ PROMPT_FIX, 0 },
+
+ /* Pass 3 errors */
+
+ /* Root inode not allocated */
+ { PR_3_NO_ROOT_INODE,
+ "@r not allocated. ",
+ PROMPT_ALLOCATE, 0 },
+
+ /* No room in lost+found */
+ { PR_3_EXPAND_LF_DIR,
+ "No room in @l @d. ",
+ PROMPT_EXPAND, 0 },
+
+ /* Unconnected directory inode */
+ { PR_3_UNCONNECTED_DIR,
+ "Unconnected @d @i %i (%p)\n",
+ PROMPT_CONNECT, 0 },
+
+ /* /lost+found not found */
+ { PR_3_NO_LF_DIR,
+ "/@l not found. ",
+ PROMPT_CREATE, 0 },
+
+ /* .. entry is incorrect */
+ { PR_3_BAD_DOT_DOT,
+ "'..' in %Q (%i) is %P (%j), @s %q (%d).\n",
+ PROMPT_FIX, 0 },
+
+ /* Pass 4 errors */
+
+ /* Unattached zero-length inode */
+ { PR_4_ZERO_LEN_INODE,
+ "@u @z @i %i. ",
+ PROMPT_CLEAR, PR_PREEN_OK|PR_NO_OK },
+
+ /* Unattached inode */
+ { PR_4_UNATTACHED_INODE,
+ "@u @i %i\n",
+ PROMPT_CONNECT, 0 },
+
+ /* Inode ref count wrong */
+ { PR_4_BAD_REF_COUNT,
+ "@i %i ref count is %Il, @s %N. ",
+ PROMPT_FIX, PR_PREEN_OK },
+
+ { 0 }
+};
+
+/*
+ * This is the latch flags register. It allows several problems to be
+ * "latched" together. This means that the user has to answer but one
+ * question for the set of problems, and all of the associated
+ * problems will be either fixed or not fixed.
+ */
+char pr_latch[7]; /* Latch flags register */
+char pr_suppress[7]; /* Latch groups which are suppressed */
+int latch_question[7] = {
+ PR_1_INODE_BLOCK_LATCH,
+ PR_1_INODE_BBLOCK_LATCH
+};
+
+static struct e2fsck_problem *find_problem(int code)
+{
+ int i;
+
+ for (i=0; problem_table[i].e2p_code; i++) {
+ if (problem_table[i].e2p_code == code)
+ return &problem_table[i];
+ }
+ return 0;
+}
+
+void reset_problem_latch(int mask)
+{
+ pr_latch[PR_LATCH(mask)] = 0;
+ pr_suppress[PR_LATCH(mask)] = 0;
+}
+
+void suppress_latch_group(int mask, int value)
+{
+ pr_suppress[PR_LATCH(mask)] = value;
+}
+
+void clear_problem_context(struct problem_context *ctx)
+{
+ memset(ctx, 0, sizeof(struct problem_context));
+ ctx->blkcount = -1;
+ ctx->group = -1;
+}
+
+int fix_problem(ext2_filsys fs, int code, struct problem_context *ctx)
+{
+ struct e2fsck_problem *ptr;
+ int def_yn, answer;
+ int latch;
+ int print_answer = 0;
+ int suppress = 0;
+
+ ptr = find_problem(code);
+ if (!ptr) {
+ printf("Unhandled error code (%d)!\n", code);
+ return 0;
+ }
+ def_yn = (ptr->flags & PR_NO_DEFAULT) ? 0 : 1;
+
+ /*
+ * Do special latch processing. This is where we ask the
+ * latch question, if it exists
+ */
+ if (ptr->flags & PR_LATCH_MASK) {
+ latch = PR_LATCH(ptr->flags);
+ if (latch_question[latch] && !pr_latch[latch])
+ pr_latch[latch] = fix_problem(fs,
+ latch_question[latch],
+ ctx) + 1;
+ if (pr_suppress[latch])
+ suppress++;
+ }
+
+ if (!suppress) {
+ if (preen)
+ printf("%s: ", device_name);
+ print_e2fsck_message(fs, ptr->e2p_description, ctx, 1);
+ }
+ if (!(ptr->flags & PR_PREEN_OK))
+ preenhalt(fs);
+
+ if (ptr->flags & PR_MSG_ONLY)
+ return 1;
+
+ if (preen) {
+ answer = def_yn;
+ print_answer = 1;
+ } else if (ptr->flags & PR_LATCH_MASK) {
+ latch = PR_LATCH(ptr->flags);
+ if (!pr_latch[latch])
+ pr_latch[latch] =
+ ask(prompt[(int) ptr->prompt], def_yn) + 1;
+ else
+ print_answer = 1;
+ answer = pr_latch[latch] - 1;
+ } else
+ answer = ask(prompt[(int) ptr->prompt], def_yn);
+ if (!answer && !(ptr->flags & PR_NO_OK))
+ ext2fs_unmark_valid(fs);
+
+ if (print_answer)
+ printf("%s.\n",
+ answer ? preen_msg[(int) ptr->prompt] : "IGNORED");
+
+ return answer;
+}
--- /dev/null
+/*
+ * problem.h --- e2fsck problem error codes
+ *
+ * Copyright 1996 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+struct problem_context {
+ ino_t ino, ino2, dir;
+ struct ext2_inode *inode;
+ struct ext2_dir_entry *dirent;
+ blk_t blk;
+ int blkcount, group;
+ __u32 num;
+};
+
+struct e2fsck_problem {
+ int e2p_code;
+ const char * e2p_description;
+ char prompt;
+ short flags;
+};
+
+#define PR_PREEN_OK 0x0001 /* Don't need to do preenhalt */
+#define PR_NO_OK 0x0002 /* If user answers no, don't make fs invalid */
+#define PR_NO_DEFAULT 0x0004 /* Default to no */
+#define PR_MSG_ONLY 0x0008 /* Print message only */
+
+/*
+ * We define a set of "latch groups"; these are problems which are
+ * handled as a set. The user answers once for a particular latch
+ * group.
+ */
+#define PR_LATCH_MASK 0x0070 /* Latch mask */
+#define PR_LATCH_BLOCK 0x0010 /* Latch for illegal blocks (pass 1) */
+#define PR_LATCH_BBLOCK 0x0020 /* Latch for bad block inode blocks (pass 1) */
+
+#define PR_LATCH(x) ((((x) & PR_LATCH_MASK) >> 4) - 1)
+
+/*
+ * Pre-Pass 1 errors
+ */
+
+/* Block bitmap not in group */
+#define PR_0_BB_NOT_GROUP 0x000001
+
+/* Inode bitmap not in group */
+#define PR_0_IB_NOT_GROUP 0x000002
+
+/* Inode table not in group */
+#define PR_0_ITABLE_NOT_GROUP 0x000003
+
+/*
+ * Pass 1 errors
+ */
+
+/* Root directory is not an inode */
+#define PR_1_ROOT_NO_DIR 0x010001
+
+/* Root directory has dtime set */
+#define PR_1_ROOT_DTIME 0x010002
+
+/* Reserved inode has bad mode */
+#define PR_1_RESERVED_BAD_MODE 0x010003
+
+/* Deleted inode has zero dtime */
+#define PR_1_ZERO_DTIME 0x010004
+
+/* Inode in use, but dtime set */
+#define PR_1_SET_DTIME 0x010005
+
+/* Zero-length directory */
+#define PR_1_ZERO_LENGTH_DIR 0x010006
+
+/* Block bitmap conflicts with some other fs block */
+#define PR_1_BB_CONFLICT 0x010007
+
+/* Inode bitmap conflicts with some other fs block */
+#define PR_1_IB_CONFLICT 0x010008
+
+/* Inode table conflicts with some other fs block */
+#define PR_1_ITABLE_CONFLICT 0x010009
+
+/* Block bitmap is on a bad block */
+#define PR_1_BB_BAD_BLOCK 0x01000A
+
+/* Inode bitmap is on a bad block */
+#define PR_1_IB_BAD_BLOCK 0x01000B
+
+/* Inode has incorrect i_size */
+#define PR_1_BAD_I_SIZE 0x01000C
+
+/* Inode has incorrect i_blocks */
+#define PR_1_BAD_I_BLOCKS 0x01000D
+
+/* Illegal block number in inode */
+#define PR_1_ILLEGAL_BLOCK_NUM 0x01000E
+
+/* Block number overlaps fs metadata */
+#define PR_1_BLOCK_OVERLAPS_METADATA 0x01000F
+
+/* Inode has illegal blocks (latch question) */
+#define PR_1_INODE_BLOCK_LATCH 0x010010
+
+/* Too many bad blocks in inode */
+#define PR_1_TOO_MANY_BAD_BLOCKS 0x010011
+
+/* Illegal block number in bad block inode */
+#define PR_1_BB_ILLEGAL_BLOCK_NUM 0x010012
+
+/* Bad block inode has illegal blocks (latch question) */
+#define PR_1_INODE_BBLOCK_LATCH 0x010013
+
+/*
+ * Pass 1b errors
+ */
+
+/* File has duplicate blocks */
+#define PR_1B_DUP_FILE 0x011001
+
+/* List of files sharing duplicate blocks */
+#define PR_1B_DUP_FILE_LIST 0x011002
+
+/*
+ * Pass 2 errors
+ */
+
+/* Bad inode number for '.' */
+#define PR_2_BAD_INODE_DOT 0x020001
+
+/* Directory entry has bad inode number */
+#define PR_2_BAD_INO 0x020002
+
+/* Directory entry has deleted or unused inode */
+#define PR_2_UNUSED_INODE 0x020003
+
+/* Directry entry is link to '.' */
+#define PR_2_LINK_DOT 0x020004
+
+/* Directory entry points to inode now located in a bad block */
+#define PR_2_BB_INODE 0x020005
+
+/* Directory entry contains a link to a directory */
+#define PR_2_LINK_DIR 0x020006
+
+/* Directory entry contains a link to the root directry */
+#define PR_2_LINK_ROOT 0x020007
+
+/* Directory entry has illegal characters in its name */
+#define PR_2_BAD_NAME 0x020008
+
+/* Missing '.' in directory inode */
+#define PR_2_MISSING_DOT 0x020009
+
+/* Missing '..' in directory inode */
+#define PR_2_MISSING_DOT_DOT 0x02000A
+
+/* First entry in directory inode doesn't contain '.' */
+#define PR_2_1ST_NOT_DOT 0x02000B
+
+/* Second entry in directory inode doesn't contain '..' */
+#define PR_2_2ND_NOT_DOT_DOT 0x02000C
+
+/* i_faddr should be zero */
+#define PR_2_FADDR_ZERO 0x02000D
+
+/* i_file_acl should be zero */
+#define PR_2_FILE_ACL_ZERO 0x02000E
+
+/* i_dir_acl should be zero */
+#define PR_2_DIR_ACL_ZERO 0x02000F
+
+/* i_frag should be zero */
+#define PR_2_FRAG_ZERO 0x020010
+
+/* i_fsize should be zero */
+#define PR_2_FSIZE_ZERO 0x020011
+
+/* inode has bad mode */
+#define PR_2_BAD_MODE 0x020012
+
+/* directory corrupted */
+#define PR_2_DIR_CORRUPTED 0x020013
+
+/* filename too long */
+#define PR_2_FILENAME_LONG 0x020014
+
+/* Directory inode has a missing block (hole) */
+#define PR_2_DIRECTORY_HOLE 0x020015
+
+/* '.' is not NULL terminated */
+#define PR_2_DOT_NULL_TERM 0x020016
+
+/* '..' is not NULL terminated */
+#define PR_2_DOT_DOT_NULL_TERM 0x020017
+
+/*
+ * Pass 3 errors
+ */
+
+/* Root inode not allocated */
+#define PR_3_NO_ROOT_INODE 0x030001
+
+/* No room in lost+found */
+#define PR_3_EXPAND_LF_DIR 0x030002
+
+/* Unconnected directory inode */
+#define PR_3_UNCONNECTED_DIR 0x030003
+
+/* /lost+found not found */
+#define PR_3_NO_LF_DIR 0x030004
+
+/* .. entry is incorrect */
+#define PR_3_BAD_DOT_DOT 0x030005
+
+
+/*
+ * Pass 4 errors
+ */
+
+/* Unattached zero-length inode */
+#define PR_4_ZERO_LEN_INODE 0x040001
+
+/* Unattached inode */
+#define PR_4_UNATTACHED_INODE 0x040002
+
+/* Inode ref count wrong */
+#define PR_4_BAD_REF_COUNT 0x040003
+
+/*
+ * Pass 5 errors
+ */
+
+/*
+ * Function declarations
+ */
+int fix_problem(ext2_filsys fs, int code, struct problem_context *ctx);
+void reset_problem_latch(int mask);
+void suppress_latch_group(int mask, int value);
+void clear_problem_context(struct problem_context *ctx);
+
+/* message.c */
+void print_e2fsck_message(ext2_filsys fs, const char *msg,
+ struct problem_context *ctx, int first);
+
/*
* swapfs.c --- byte-swap an ext2 filesystem
+ *
+ * Copyright 1996, 1997 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
*/
#ifdef HAVE_ERRNO_H
fatal_error(0);
}
inode = (struct ext2_inode *) buf;
- for (i=0; i < fs->super->s_inodes_per_group; i++, ino++) {
- if (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)
- ext2fs_swap_inode(fs, inode, inode, 0);
+ for (i=0; i < fs->super->s_inodes_per_group;
+ i++, ino++, inode++) {
stashed_ino = ino;
stashed_inode = inode;
- if (inode->i_block[EXT2_IND_BLOCK] ||
- inode->i_block[EXT2_DIND_BLOCK] ||
- inode->i_block[EXT2_TIND_BLOCK] ||
- LINUX_S_ISDIR(inode->i_mode))
+ if (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)
+ ext2fs_swap_inode(fs, inode, inode, 0);
+
+ /*
+ * Skip deleted files.
+ */
+ if (inode->i_links_count == 0)
+ continue;
+
+ if (LINUX_S_ISDIR(inode->i_mode) ||
+ ((inode->i_block[EXT2_IND_BLOCK] ||
+ inode->i_block[EXT2_DIND_BLOCK] ||
+ inode->i_block[EXT2_TIND_BLOCK]) &&
+ ext2fs_inode_has_valid_blocks(inode)))
swap_inode_blocks(fs, ino, block_buf, inode);
if (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)
ext2fs_swap_inode(fs, inode, inode, 1);
- inode++;
}
retval = io_channel_write_blk(fs->io,
fs->group_desc[group].bg_inode_table,
/*
* util.c --- miscellaneous utilities
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdlib.h>
#include <sys/resource.h>
const char * fix_msg[2] = { "IGNORED", "FIXED" };
-const char * clear_msg[2] = { "IGNORED", "CLEARED" };
void fatal_error (const char *msg)
{
#endif
}
-static __inline__ float timeval_subtract(struct timeval *tv1,
- struct timeval *tv2)
+#ifdef __GNUC__
+#define _INLINE_ __inline__
+#else
+#define _INLINE_
+#endif
+
+static _INLINE_ float timeval_subtract(struct timeval *tv1,
+ struct timeval *tv2)
{
return ((tv1->tv_sec - tv2->tv_sec) +
((float) (tv1->tv_usec - tv2->tv_usec)) / 1000000);
}
}
-/*
- * This function returns 1 if the inode's block entries actually
- * contain block entries.
- */
-int inode_has_valid_blocks(struct ext2_inode *inode)
-{
- /*
- * Only directories, regular files, and some symbolic links
- * have valid block entries.
- */
- if (!LINUX_S_ISDIR(inode->i_mode) && !LINUX_S_ISREG(inode->i_mode) &&
- !LINUX_S_ISLNK(inode->i_mode))
- return 0;
-
- /*
- * If the symbolic link is a "fast symlink", then the symlink
- * target is stored in the block entries.
- */
- if (LINUX_S_ISLNK (inode->i_mode) && inode->i_blocks == 0 &&
- inode->i_size < EXT2_N_BLOCKS * sizeof (unsigned long))
- return 0;
-
- return 1;
-}
-
#ifdef MTRACE
void mtrace_print(char *mesg)
{
--- /dev/null
+Begin3
+Title: EXT2 Filesystem utilities
+Version: 1.07
+Entered-date: 14Mar97
+Description: The filesystem utilities for the EXT2 filesystem, including
+ e2fsck, mke2fs, dumpe2fs, fsck, and others.
+Keywords: utilities, fsck, filesystem, Ext2fs
+Author: tytso@mit.edu (Theodore Tso)
+Maintained-by: tytso@mit.edu (Theodore Tso)
+Primary-site: tsx-11.mit.edu /pub/linux/packages/ext2fs
+ 620kB e2fsprogs-1.07.tar.gz
+ 222kB e2fsprogs-1.07-elfbin.tar.gz
+ 199kB e2fsprogs-1.07-0.i386.rpm
+ 68kB e2fsprogs-devel-1.07-0.i386.rpm
+ 622kB e2fsprogs-1.07-0.src.rpm
+ 1kB e2fsprogs-1.07.lsm
+Alternate-site:
+Platforms: linux 1.2.x/1.3.x/2.0.x/2.1.x
+Copying-policy: GPL
+End
-Description: Tools for the second extended (ext2) filesystem
+Summary: Tools for the second extended (ext2) filesystem
Name: e2fsprogs
-Version: 1.06
+Version: 1.07
Release: 0
Copyright: GPL
Group: Utilities/System
-Source: tsx-11.mit.edu:/pub/linux/packages/ext2fs/e2fsprogs-1.06.tar.gz
+Source: tsx-11.mit.edu:/pub/linux/packages/ext2fs/e2fsprogs-1.07.tar.gz
+BuildRoot: /tmp/e2fsprogs-root
+
+%description
+This package includes a number of utilities for creating, checking,
+and repairing ext2 filesystems.
%package devel
-Description: e2fs static libs and headers
+Summary: e2fs static libs and headers
Group: Development/Libraries
+%description devel
+Libraries and header files needed to develop ext2 filesystem-specific
+programs.
+
%prep
%setup
%build
+CFLAGS="$RPM_OPT_FLAGS" ./configure --enable-elf-shlibs
-%ifarch i386
-CFLAGS="$RPM_OPT_FLAGS" ./configure --enable-profile --enable-elf-shlibs
-%endif
-
-%ifarch axp
-CFLAGS="$RPM_OPT_FLAGS" ./configure --enable-profile
-%endif
-
-#make
-make libs progs
+make libs progs docs
%install
-rm -rf /usr/include/ss /usr/include/et /usr/include/ext2fs
export PATH=/sbin:$PATH
-make install
-make install-libs
+make install DESTDIR="$RPM_BUILD_ROOT"
+make install-libs DESTDIR="$RPM_BUILD_ROOT"
+
+mv $RPM_BUILD_ROOT/usr/sbin/debugfs $RPM_BUILD_ROOT/sbin/debugfs
-mv /usr/sbin/debugfs /sbin/debugfs
+%clean
+rm -rf $RPM_BUILD_ROOT
-%ifarch i386
%post
/sbin/ldconfig
-%endif
+
+%postun
+/sbin/ldconfig
%files
/sbin/e2fsck
/usr/sbin/mklost+found
/sbin/mkfs.ext2
-%ifarch i386
/lib/libe2p.so.2.2
-/lib/libext2fs.so.2.1
+/lib/libext2fs.so.2.2
/lib/libss.so.2.0
/lib/libcom_err.so.2.0
-/lib/libuuid.so.1.0
-%endif
+/lib/libuuid.so.1.1
/usr/bin/chattr
/usr/bin/lsattr
/usr/man/man1/lsattr.1
%files devel
+/usr/info/libext2fs.info*
/usr/lib/libe2p.a
/usr/lib/libext2fs.a
/usr/lib/libss.a
/usr/lib/libcom_err.a
-/usr/lib/libe2p_p.a
-/usr/lib/libext2fs_p.a
-/usr/lib/libss_p.a
-/usr/lib/libcom_err_p.a
/usr/lib/libuuid.a
-/usr/lib/libuuid_p.a
/usr/include/ss
/usr/include/ext2fs
/usr/include/et
/usr/include/uuid
-
-%ifarch i386
/usr/lib/libe2p.so
/usr/lib/libext2fs.so
/usr/lib/libss.so
/usr/lib/libcom_err.so
/usr/lib/libuuid.so
-%post
-rm -f /lib/libe2p.so /lib/libext2fs.so /lib/libss.so /lib/libcom_err.so
-%endif
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Thu Sep 12 15:23:07 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* Release of E2fsprogs version 1.05
#define EXT2FS_VERSION "0.5b"
/*
- * Debug code
- */
-#ifdef EXT2FS_DEBUG
-# define ext2_debug(f, a...) { \
- printk ("EXT2-fs DEBUG (%s, %d): %s:", \
- __FILE__, __LINE__, __FUNCTION__); \
- printk (f, ## a); \
- }
-#else
-# define ext2_debug(f, a...) /**/
-#endif
-
-/*
* Special inodes numbers
*/
#define EXT2_BAD_INO 1 /* Bad blocks inode */
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Thu Sep 12 15:23:07 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* Release of E2fsprogs version 1.05
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Sat Mar 8 13:23:43 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Makefile.elf-lib (image): Allow Makefile.in files to specify
+ a list of libraries which the shared library depends upon.
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Thu Sep 12 15:23:07 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* Release of E2fsprogs version 1.05
# ELF_IMAGE = libce
# ELF_MYDIR = et
# ELF_INSTALL_DIR = $(SHLIBDIR)
-#
+# ELF_OTHER_LIBS = -lc
all:: elfshared image
image: $(ELF_LIB)
$(ELF_LIB): $(OBJS)
- (cd elfshared; $(CC) --shared -o $(ELF_LIB) -Wl,-soname,$(ELF_SONAME) $(OBJS))
+ (cd elfshared; $(CC) --shared -o $(ELF_LIB) -Wl,-soname,$(ELF_SONAME) \
+ $(OBJS) $(ELF_OTHER_LIBS))
$(MV) elfshared/$(ELF_LIB) .
$(RM) -f ../$(ELF_LIB) ../$(ELF_IMAGE).so ../$(ELF_SONAME)
$(LN) $(ELF_LIB) ../$(ELF_LIB)
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Thu Jan 2 00:06:29 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * uuid.c: Include string.h, since we use memcpy().
+
+Wed Jan 1 23:47:22 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * ls.c (list_super): Copy times from the superblock to a time_t
+ variable. (The alpha has different sizes for time_t and
+ the time in the superblock.)
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Sun Sep 22 16:20:12 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* pf.c: Add support for the 'A' (no atime) flag.
ELF_IMAGE = libe2p
ELF_MYDIR = e2p
ELF_INSTALL_DIR = $(libdir)
+ELF_OTHER_LIBS = -lc
BSDLIB_VERSION = 2.1
BSDLIB_IMAGE = libe2p
.c.o:
$(CC) $(ALL_CFLAGS) -c $< -o $@
-@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -pg -o profiled/$*.o -c $<
+@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@DLL_CMT@ (export JUMP_DIR=`pwd`/jump; $(CC) -B$(JUMP_PREFIX) $(ALL_CFLAGS) \
@DLL_CMT@ -o jump/$*.o -c $<)
-00000000 T _fgetflags libe2p jump/fgetflags
-00000000 T _fsetflags libe2p jump/fsetflags
-00000000 T _fgetversion libe2p jump/fgetversion
-00000000 T _fsetversion libe2p jump/fsetversion
-00000000 T _getflags libe2p jump/getflags
-00000000 T _getversion libe2p jump/getversion
-00000000 T _iterate_on_dir libe2p jump/iod
-00000000 T _list_super libe2p jump/ls
-00000000 T _print_fs_errors libe2p jump/pe
-00000000 T _print_flags libe2p jump/pf
-00000000 T _print_fs_state libe2p jump/ps
-00000000 T _setflags libe2p jump/setflags
-00000000 T _setversion libe2p jump/setversion
+00000000 T _fgetflags libe2p fgetflags
+00000000 T _fsetflags libe2p fsetflags
+00000000 T _fgetversion libe2p fgetversion
+00000000 T _fsetversion libe2p fsetversion
+00000000 T _getflags libe2p getflags
+00000000 T _getversion libe2p getversion
+00000000 T _iterate_on_dir libe2p iod
+00000000 T _list_super libe2p ls
+00000000 T _print_fs_errors libe2p pe
+00000000 T _print_flags libe2p pf
+00000000 T _print_fs_state libe2p ps
+00000000 T _setflags libe2p setflags
+00000000 T _setversion libe2p setversion
+00000000 T _e2p_is_null_uuid libe2p uuid
+00000000 T _e2p_uuid_to_str libe2p uuid
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
+ * Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu>
+ *
* This file can be redistributed under the terms of the GNU Library General
* Public License
*/
#define HOUR_INT (60 * 60)
#define MINUTE_INT (60)
-static char *interval_string(unsigned int secs)
+static const char *interval_string(unsigned int secs)
{
static char buf[256], tmp[80];
int hr, min, num;
buf[0] = 0;
+ if (secs == 0)
+ return "<none>";
+
if (secs >= MONTH_INT) {
num = secs / MONTH_INT;
secs -= num*MONTH_INT;
struct ext2fs_sb *sb = (struct ext2fs_sb *) s;
char buf[80];
const char *os;
+ time_t tm;
inode_blocks_per_group = (((s->s_inodes_per_group *
EXT2_INODE_SIZE(s)) +
if (sb->s_volume_name[0]) {
memset(buf, 0, sizeof(buf));
strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name));
- printf("Filesystem volume name: %s\n", buf);
- }
+ } else
+ strcpy(buf, "<none>");
+ printf("Filesystem volume name: %s\n", buf);
if (sb->s_last_mounted[0]) {
memset(buf, 0, sizeof(buf));
strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted));
- printf("Last mounted on: %s\n", buf);
- }
+ } else
+ strcpy(buf, "<not available>");
+ printf("Last mounted on: %s\n", buf);
if (!e2p_is_null_uuid(sb->s_uuid)) {
e2p_uuid_to_str(sb->s_uuid, buf);
- printf("Filesystem UUID: %s\n", buf);
- }
+ } else
+ strcpy(buf, "<none>");
+ printf("Filesystem UUID: %s\n", buf);
printf ("Filesystem state: ");
print_fs_state (stdout, s->s_state);
printf ("\n");
case EXT2_OS_MASIX: os = "Masix"; break;
default: os = "unknown"; break;
}
- printf ("Filesystem OS type: %s\n", os);
- printf ("Inode count: %u\n", s->s_inodes_count);
- printf ("Block count: %u\n", s->s_blocks_count);
- printf ("Reserved block count: %u\n", s->s_r_blocks_count);
- printf ("Free blocks: %u\n", s->s_free_blocks_count);
- printf ("Free inodes: %u\n", s->s_free_inodes_count);
- printf ("First block: %u\n", s->s_first_data_block);
- printf ("Block size: %u\n", EXT2_BLOCK_SIZE(s));
- printf ("Fragment size: %u\n", EXT2_FRAG_SIZE(s));
- printf ("Blocks per group: %u\n", s->s_blocks_per_group);
- printf ("Fragments per group: %u\n", s->s_frags_per_group);
- printf ("Inodes per group: %u\n", s->s_inodes_per_group);
- printf ("Inode blocks per group: %u\n", inode_blocks_per_group);
- printf ("Last mount time: %s", ctime ((time_t *) &s->s_mtime));
- printf ("Last write time: %s", ctime ((time_t *) &s->s_wtime));
- printf ("Mount count: %u\n", s->s_mnt_count);
- printf ("Maximum mount count: %d\n", s->s_max_mnt_count);
- printf ("Last checked: %s", ctime ((time_t *) &s->s_lastcheck));
- printf ("Check interval: %u (%s)\n", s->s_checkinterval,
- interval_string(s->s_checkinterval));
+ printf("Filesystem OS type: %s\n", os);
+ printf("Inode count: %u\n", s->s_inodes_count);
+ printf("Block count: %u\n", s->s_blocks_count);
+ printf("Reserved block count: %u\n", s->s_r_blocks_count);
+ printf("Free blocks: %u\n", s->s_free_blocks_count);
+ printf("Free inodes: %u\n", s->s_free_inodes_count);
+ printf("First block: %u\n", s->s_first_data_block);
+ printf("Block size: %u\n", EXT2_BLOCK_SIZE(s));
+ printf("Fragment size: %u\n", EXT2_FRAG_SIZE(s));
+ printf("Blocks per group: %u\n", s->s_blocks_per_group);
+ printf("Fragments per group: %u\n", s->s_frags_per_group);
+ printf("Inodes per group: %u\n", s->s_inodes_per_group);
+ printf("Inode blocks per group: %u\n", inode_blocks_per_group);
+ tm = s->s_mtime;
+ printf("Last mount time: %s", ctime(&tm));
+ tm = s->s_wtime;
+ printf("Last write time: %s", ctime(&tm));
+ printf("Mount count: %u\n", s->s_mnt_count);
+ printf("Maximum mount count: %d\n", s->s_max_mnt_count);
+ tm = s->s_lastcheck;
+ printf("Last checked: %s", ctime(&tm));
+ printf("Check interval: %u (%s)\n", s->s_checkinterval,
+ interval_string(s->s_checkinterval));
if (s->s_checkinterval)
{
time_t next;
next = s->s_lastcheck + s->s_checkinterval;
- printf ("Next check after: %s", ctime (&next));
+ printf("Next check after: %s", ctime(&next));
}
#ifdef EXT2_DEF_RESUID
- printf ("Reserved blocks uid: ");
- print_user (s->s_def_resuid);
- printf ("Reserved blocks gid: ");
- print_group (s->s_def_resgid);
+ printf("Reserved blocks uid: ");
+ print_user(s->s_def_resuid);
+ printf("Reserved blocks gid: ");
+ print_group(s->s_def_resgid);
#endif
#ifdef EXT2_DYNAMIC_REV
if (s->s_rev_level >= EXT2_DYNAMIC_REV) {
*/
#include <stdio.h>
+#include <string.h>
#include <linux/types.h>
+#include "e2p.h"
+
struct uuid {
__u32 time_low;
__u16 time_mid;
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Thu Sep 12 15:23:07 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* Release of E2fsprogs version 1.05
ELF_IMAGE = libcom_err
ELF_MYDIR = et
ELF_INSTALL_DIR = $(libdir)
+ELF_OTHER_LIBS = -lc
BSDLIB_VERSION = 1.0
BSDLIB_IMAGE = libcom_err
#
.c.o:
$(CC) $(ALL_CFLAGS) -c $< -o $@
-@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -pg -o profiled/$*.o -c $<
+@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@DLL_CMT@ (export JUMP_DIR=`pwd`/jump; $(CC) -B$(JUMP_PREFIX) $(ALL_CFLAGS) \
@DLL_CMT@ -o jump/$*.o -c $<)
+Wed Mar 12 13:32:05 1997 Theodore Y. Ts'o <tytso@mit.edu>
+
+ * Release of E2fsprogs version 1.07
+
+Sun Mar 2 16:46:18 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Makefile.in (ELF_VERSION): Change version to be 2.2
+
+Tue Feb 11 14:54:02 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * alloc.c (ext2fs_get_free_blocks): Change routine to use
+ ext2fs_fast_test_block_bitmap_range().
+
+ * bitops.h (ext2fs_fast_test_block_bitmap_range,
+ ext2fs_test_block_bitmap_range: New inline functions which
+ test to see whether a contiguous range of blocks is
+ available.
+
+Thu Feb 6 10:00:13 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * badblocks.c (ext2fs_badblocks_list_create): Rename sybmols to use
+ use ext2fs_badblocks_* instead of badblocks_*
+
+ * bb_compat.c: New file which translates between old badblocks_*()
+ names to ext2fs_badblocks_*()
+
+ * unlink.c (ext2fs_unlink): New file, moved ext2fs_unlink() from
+ link.c (since e2fsck doesn't use ext2fs_unlink()).
+
+ * rs_bitmap.c (ext2fs_resize_generic_bitmap): New file, contains
+ bitmap resizing routine moved from bitmaps.c, since e2fsck
+ doesn't need to use this function.
+
+ * lookup.c (ext2fs_lookup): Moved ext2fs_lookup to its own file,
+ since e2fsck only needs ext2fs_lookup.
+
+Mon Feb 3 10:11:40 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * inode.c (ext2fs_open_inode_scan): Set fs->badblocks if it is not
+ already set; this is needed so that programs like dump
+ which use the inode scan functions will deal with
+ filesystems that have bad blocks in the inode table.
+
+Sun Feb 2 00:17:36 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * ext2fs.h (struct_badblocks_list, struct_badblocks_iterate):
+ Moved to ext2fsP.h, since it doesn't need to be part of
+ the public interface.
+
+ * dir_iterate.c: Move ext2_dir_iterate out of namei.c.
+
+Sat Feb 1 10:14:55 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * dblist.c (ext2fs_get_num_dirs): New file, which implements a
+ directory block list abstraction. (Code moved from
+ e2fsck).
+
+ * ext2fs.h, inode.c: Moved definition of ext2_struct_inode_scan to
+ to inode.c (since no one else should be peeking inside it!)
+
+ * valid_blk.c (ext2_inode_has_valid_blocks): New function.
+
+ * openfs.c (ext2fs_open): Check the feature set in the ext2
+ superblock, and refuse to open filesystems if they contain
+ incompatible features. (Can be overriden with the
+ EXT2_FLAG_FORCE
+
+Sun Jan 12 11:31:46 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * block.c (ext2fs_block_iterate2): Added new function
+ ext2fs_block_iterate2 which changes the function
+ signature of the callback function to include the
+ referencing block and offset.
+
+ * inode.c (ext2fs_inode_scan_goto_blockgroup): Added new function
+ ext2fs_inode_scan_goto_blockgroup which allows an
+ application to jump to a particular block group while
+ doing an inode scan.
+
+Wed Jan 1 23:50:12 1997 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * dirblock.c: Include string.h, since we use memcpy().
+
+Tue Dec 3 12:27:29 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * getsize.c (ext2fs_get_device_size): The ioctl BLKGETSIZE returns
+ a long not an int; this doesn't matter on i386 machines,
+ but it does on Alpha's.
+
+Fri Nov 29 20:57:37 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * inode.c (ext2fs_write_inode, ext2fs_read_inode): If the inode
+ table pointer is NULL, then return an error indicating
+ that the inode table is missing.
+ (get_next_blockgroup, get_next_blocks,
+ ext2fs_get_next_inode): Don't treat a missing inode table
+ as permanent error. Return MISSING_INODE_TABLE, but as an
+ advisory error code, much like BAD_BLOCK_IN_INODE_TABLE.
+
+ * rw_bitmaps.c (ext2fs_write_block_bitmap,
+ ext2fs_write_inode_bitmap): If the inode or block bitmap
+ block is zero, then don't write out the inode or block
+ bitmap. The idea here is to avoid stomping on the
+ superblock.
+ (read_bitmaps): If the inode or block bitmap block is
+ zero, then fill in that portion of the inode or block
+ bitmap with all zeros.
+
+ * inode.c (ext2fs_get_next_inode): Fix bug in handling of bad
+ blocks in inode table when the inode table size is
+ non-standard (and can therefore span blocks).
+
+Tue Oct 29 20:13:14 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * alloc.c (ext2fs_new_block): Fix fencepost error in
+ ext2fs_new_block; make sure we don't try to allocate the
+ first block beyond the end of the filesystem.
+
+Mon Oct 14 11:00:48 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * inode.c (check_for_inode_bad_blocks): New function called by
+ get_next_blocks() to avoid reading in bad blocks marked in
+ fs->badblocks. Inodes located in bad blocks are returned
+ by ext2fs_get_next_inode() returns the error code
+ EXT2_ET_BAD_BLOCK_IN_INODE_TABLE.
+
+ * alloc_tables.c (ext2fs_allocate_tables): New function which
+ performs the part of mke2fs's job of allocating the
+ filesystem tables.
+
+ * test_io.c (test_close): IO manager which is used for testing
+ purposes.
+
+Sun Oct 13 04:31:57 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * inode.c (ext2fs_get_next_inode): Separate out the function of
+ setting up for a new block group to get_next_blockgroup().
+ Separate out the function of reading in blocks of the
+ inode table to get_next_blocks().
+
+ * ext2fs.h: Add the badblocks list to the ext2_filsys entry
+
+ * badblocks.c (badblocks_list_add, badblocks_list_test): Add
+ blocks to the badblock list in sorted order. This allows
+ badblocks_list_test to be coded using a binary search for
+ speed.
+
+Tue Oct 8 02:02:03 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
+
+ * Release of E2fsprogs version 1.06
+
Mon Oct 7 00:44:17 1996 Theodore Ts'o <tytso@rsts-11.mit.edu>
* ext2fs.h, block.c, closefs.c, dirblock.c, inode.c, native.c,
OBJS= ext2_err.o \
alloc.o \
+ alloc_tables.o \
badblocks.o \
+ bb_compat.o \
bb_inode.o \
bitmaps.o \
bitops.o \
block.o \
+ brel_ma.o \
check_desc.o \
closefs.o \
cmp_bitmaps.o \
+ dblist.o \
+ dblist_dir.o \
dirblock.o \
+ dir_iterate.o \
expanddir.o \
freefs.o \
get_pathname.o \
getsize.o \
+ icount.o \
initialize.o \
inline.o \
inode.o \
+ irel_ma.o \
ismounted.o \
link.o \
llseek.o \
+ lookup.o \
mkdir.o \
namei.o \
native.o \
openfs.o \
read_bb.o \
read_bb_file.o \
+ rs_bitmap.o \
rw_bitmaps.o \
swapfs.o \
- unix_io.o
+ test_io.o \
+ unix_io.o \
+ unlink.o \
+ valid_blk.o
SRCS= ext2_err.c \
$(srcdir)/alloc.c \
+ $(srcdir)/alloc_tables.c \
$(srcdir)/badblocks.c \
+ $(srcdir)/bb_compat.c \
$(srcdir)/bb_inode.c \
$(srcdir)/bitmaps.c \
$(srcdir)/bitops.c \
$(srcdir)/block.c \
+ $(srcdir)/brel_ma.c \
$(srcdir)/check_desc.c \
$(srcdir)/closefs.c \
$(srcdir)/cmp_bitmaps.c \
+ $(srcdir)/dblist.c \
+ $(srcdir)/dblist_dir.c \
$(srcdir)/dirblock.c \
+ $(srcdir)/dir_iterate.c \
$(srcdir)/expanddir.c \
$(srcdir)/freefs.c \
$(srcdir)/get_pathname.c \
$(srcdir)/getsize.c \
+ $(srcdir)/icount.c \
$(srcdir)/initialize.c \
$(srcdir)/inline.c \
$(srcdir)/inode.c \
+ $(srcdir)/irel_ma.c \
$(srcdir)/ismounted.c \
$(srcdir)/link.c \
$(srcdir)/llseek.c \
+ $(srcdir)/lookup.c \
$(srcdir)/mkdir.c \
$(srcdir)/namei.c \
$(srcdir)/native.c \
$(srcdir)/openfs.c \
$(srcdir)/read_bb.c \
$(srcdir)/read_bb_file.c \
+ $(srcdir)/rs_bitmap.c \
$(srcdir)/rw_bitmaps.c \
$(srcdir)/swapfs.c \
- $(srcdir)/unix_io.c
+ $(srcdir)/test_io.c \
+ $(srcdir)/unix_io.c \
+ $(srcdir)/unlink.c \
+ $(srcdir)/valid_blk.c
HFILES= bitops.h ext2fs.h io.h
DLL_MYDIR = ext2fs
DLL_INSTALL_DIR = $(libdir)
-ELF_VERSION = 2.1
+ELF_VERSION = 2.2
ELF_SO_VERSION = 2
ELF_IMAGE = libext2fs
ELF_MYDIR = ext2fs
ELF_INSTALL_DIR = $(libdir)
+ELF_OTHER_LIBS = -lc -L../.. -lcom_err
BSDLIB_VERSION = 2.0
BSDLIB_IMAGE = libext2fs
.c.o:
$(CC) $(ALL_CFLAGS) -c $< -o $@
-@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -pg -o profiled/$*.o -c $<
+@PROFILE_CMT@ $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@DLL_CMT@ (export JUMP_DIR=`pwd`/jump; $(CC) -B$(JUMP_PREFIX) $(ALL_CFLAGS) \
@DLL_CMT@ -o jump/$*.o -c $<)
ext2_err.c ext2_err.h: ext2_err.et
$(COMPILE_ET) ext2_err.et
+tst_badblocks: tst_badblocks.o badblocks.o
+ $(CC) -o tst_badblocks tst_badblocks.o badblocks.o $(LIBCOM_ERR)
+
+tst_iscan: tst_iscan.o inode.o $(STATIC_LIBEXT2FS)
+ $(CC) -o tst_iscan tst_iscan.o inode.o $(STATIC_LIBEXT2FS) \
+ $(LIBCOM_ERR)
+
+check:: tst_badblocks tst_iscan
+ ./tst_badblocks
+ ./tst_iscan
+
installdirs::
$(top_srcdir)/mkinstalldirs $(DESTDIR)$(ulibdir) \
$(DESTDIR)$(includedir)/ext2fs
# the Makefile.in file
#
ext2_err.o: ext2_err.c
-alloc.o: $(srcdir)/alloc.c $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h $(srcdir)/bitops.h
-badblocks.o: $(srcdir)/badblocks.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h $(srcdir)/bitops.h
-bb_inode.o: $(srcdir)/bb_inode.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-bitmaps.o: $(srcdir)/bitmaps.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-bitops.o: $(srcdir)/bitops.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h $(srcdir)/bitops.h
-block.o: $(srcdir)/block.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-check_desc.o: $(srcdir)/check_desc.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-closefs.o: $(srcdir)/closefs.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-cmp_bitmaps.o: $(srcdir)/cmp_bitmaps.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-dirblock.o: $(srcdir)/dirblock.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-expanddir.o: $(srcdir)/expanddir.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-freefs.o: $(srcdir)/freefs.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-get_pathname.o: $(srcdir)/get_pathname.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-getsize.o: $(srcdir)/getsize.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-initialize.o: $(srcdir)/initialize.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-inline.o: $(srcdir)/inline.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-inode.o: $(srcdir)/inode.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-ismounted.o: $(srcdir)/ismounted.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-link.o: $(srcdir)/link.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-llseek.o: $(srcdir)/llseek.c $(top_srcdir)/lib/et/com_err.h \
- $(srcdir)/io.h
-mkdir.o: $(srcdir)/mkdir.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-namei.o: $(srcdir)/namei.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-native.o: $(srcdir)/native.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-newdir.o: $(srcdir)/newdir.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-openfs.o: $(srcdir)/openfs.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-read_bb.o: $(srcdir)/read_bb.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-read_bb_file.o: $(srcdir)/read_bb_file.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-rw_bitmaps.o: $(srcdir)/rw_bitmaps.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-swapfs.o: $(srcdir)/swapfs.c $(srcdir)/ext2fs.h \
- $(top_srcdir)/lib/et/com_err.h $(srcdir)/bitops.h \
- $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h
-unix_io.o: $(srcdir)/unix_io.c $(top_srcdir)/lib/et/com_err.h \
+alloc.o: $(srcdir)/alloc.c \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+alloc_tables.o: $(srcdir)/alloc_tables.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+badblocks.o: $(srcdir)/badblocks.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+bb_compat.o: $(srcdir)/bb_compat.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+bb_inode.o: $(srcdir)/bb_inode.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+bitmaps.o: $(srcdir)/bitmaps.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+bitops.o: $(srcdir)/bitops.c \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+block.o: $(srcdir)/block.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+brel_ma.o: $(srcdir)/brel_ma.c \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h $(srcdir)/brel.h
+check_desc.o: $(srcdir)/check_desc.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+closefs.o: $(srcdir)/closefs.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+cmp_bitmaps.o: $(srcdir)/cmp_bitmaps.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+dblist.o: $(srcdir)/dblist.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+dblist_dir.o: $(srcdir)/dblist_dir.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+dirblock.o: $(srcdir)/dirblock.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+dir_iterate.o: $(srcdir)/dir_iterate.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+expanddir.o: $(srcdir)/expanddir.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+freefs.o: $(srcdir)/freefs.c \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+get_pathname.o: $(srcdir)/get_pathname.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+getsize.o: $(srcdir)/getsize.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+icount.o: $(srcdir)/icount.c $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/ext2fs.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+initialize.o: $(srcdir)/initialize.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+inline.o: $(srcdir)/inline.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+inode.o: $(srcdir)/inode.c \
+ $(srcdir)/ext2fsP.h \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+irel_ma.o: $(srcdir)/irel_ma.c \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h $(srcdir)/irel.h
+ismounted.o: $(srcdir)/ismounted.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+link.o: $(srcdir)/link.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+llseek.o: $(srcdir)/llseek.c \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h
+lookup.o: $(srcdir)/lookup.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+mkdir.o: $(srcdir)/mkdir.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+namei.o: $(srcdir)/namei.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+native.o: $(srcdir)/native.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+newdir.o: $(srcdir)/newdir.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+openfs.o: $(srcdir)/openfs.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+read_bb.o: $(srcdir)/read_bb.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+read_bb_file.o: $(srcdir)/read_bb_file.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+rs_bitmap.o: $(srcdir)/rs_bitmap.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+rw_bitmaps.o: $(srcdir)/rw_bitmaps.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+swapfs.o: $(srcdir)/swapfs.c \
+ $(srcdir)/ext2fs.h $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+test_io.o: $(srcdir)/test_io.c \
+ $(top_srcdir)/lib/et/com_err.h \
$(top_builddir)/lib/ext2fs/ext2_err.h $(srcdir)/io.h
+unix_io.o: $(srcdir)/unix_io.c \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(top_builddir)/lib/ext2fs/ext2_err.h $(srcdir)/io.h
+unlink.o: $(srcdir)/unlink.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
+valid_blk.o: $(srcdir)/valid_blk.c \
+ $(srcdir)/ext2fs.h \
+ $(top_srcdir)/lib/et/com_err.h \
+ $(srcdir)/io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(srcdir)/bitops.h
/*
* alloc.c --- allocate new inodes, blocks for ext2fs
*
- * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
*/
#include <stdio.h>
return 0;
}
i++;
- if (i > fs->super->s_blocks_count)
+ if (i >= fs->super->s_blocks_count)
i = fs->super->s_first_data_block;
} while (i != goal);
return ENOSPC;
}
-static int check_blocks_free(ext2_filsys fs, ext2fs_block_bitmap map,
- blk_t blk, int num)
-{
- int i;
-
- for (i=0; i < num; i++) {
- if ((blk+i) > fs->super->s_blocks_count)
- return 0;
- if (ext2fs_test_block_bitmap(map, blk+i))
- return 0;
- }
- return 1;
-}
-
errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, blk_t finish,
int num, ext2fs_block_bitmap map, blk_t *ret)
{
if (!num)
num = 1;
do {
- if (check_blocks_free(fs, map, b, num)) {
+ if (b+num-1 > fs->super->s_blocks_count)
+ b = fs->super->s_first_data_block;
+ if (ext2fs_fast_test_block_bitmap_range(map, b, num)) {
*ret = b;
return 0;
}
b++;
- if (b > fs->super->s_blocks_count)
- b = fs->super->s_first_data_block;
} while (b != finish);
return ENOSPC;
}
--- /dev/null
+/*
+ * alloc_tables.c --- Allocate tables for a newly initialized
+ * filesystem. Used by mke2fs when initializing a filesystem
+ *
+ * Copyright (C) 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <linux/ext2_fs.h>
+
+#include "ext2fs.h"
+
+errcode_t ext2fs_allocate_tables(ext2_filsys fs)
+{
+ errcode_t retval;
+ blk_t group_blk, last_blk, new_blk, blk;
+ int i, j;
+
+ group_blk = fs->super->s_first_data_block;
+ for (i = 0; i < fs->group_desc_count; i++) {
+ last_blk = group_blk + fs->super->s_blocks_per_group;
+
+ /*
+ * Allocate the block bitmap
+ */
+ retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
+ 1, fs->block_map, &new_blk);
+ if (retval)
+ return retval;
+ ext2fs_mark_block_bitmap(fs->block_map, new_blk);
+ fs->group_desc[i].bg_block_bitmap = new_blk;
+
+ /*
+ * ... and the inode bitmap
+ */
+ retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
+ 1, fs->block_map, &new_blk);
+ if (retval)
+ return retval;
+ ext2fs_mark_block_bitmap(fs->block_map, new_blk);
+ fs->group_desc[i].bg_inode_bitmap = new_blk;
+
+ /*
+ * Finally, allocate the inode table
+ */
+ retval = ext2fs_get_free_blocks(fs, group_blk, last_blk,
+ fs->inode_blocks_per_group,
+ fs->block_map, &new_blk);
+ if (retval)
+ return retval;
+ for (j=0, blk = new_blk;
+ j < fs->inode_blocks_per_group;
+ j++, blk++)
+ ext2fs_mark_block_bitmap(fs->block_map, blk);
+ fs->group_desc[i].bg_inode_table = new_blk;
+
+ /*
+ * Increment the start of the block group
+ */
+ group_blk += fs->super->s_blocks_per_group;
+ }
+ return 0;
+}
+
/*
* badblocks.c --- routines to manipulate the bad block structure
*
- * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
#include <linux/ext2_fs.h>
-#include "ext2fs.h"
+#include "ext2fsP.h"
/*
* This procedure create an empty badblocks list.
*/
-errcode_t badblocks_list_create(badblocks_list *ret, int size)
+errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, int size)
{
- badblocks_list bb;
+ ext2_badblocks_list bb;
- bb = malloc(sizeof(struct struct_badblocks_list));
+ bb = malloc(sizeof(struct ext2_struct_badblocks_list));
if (!bb)
return ENOMEM;
- memset(bb, 0, sizeof(struct struct_badblocks_list));
+ memset(bb, 0, sizeof(struct ext2_struct_badblocks_list));
bb->magic = EXT2_ET_MAGIC_BADBLOCKS_LIST;
bb->size = size ? size : 10;
bb->list = malloc(bb->size * sizeof(blk_t));
/*
* This procedure frees a badblocks list.
+ *
+ * (note: moved to closefs.c)
*/
-void badblocks_list_free(badblocks_list bb)
-{
- if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
- return;
- if (bb->list)
- free(bb->list);
- bb->list = 0;
- free(bb);
-}
/*
* This procedure adds a block to a badblocks list.
*/
-errcode_t badblocks_list_add(badblocks_list bb, blk_t blk)
+errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, blk_t blk)
{
- int i;
+ int i, j;
+ blk_t *new_list;
EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST);
- for (i=0; i < bb->num; i++)
- if (bb->list[i] == blk)
- return 0;
-
if (bb->num >= bb->size) {
bb->size += 10;
- bb->list = realloc(bb->list, bb->size * sizeof(blk_t));
- if (!bb->list) {
- bb->size = 0;
- bb->num = 0;
+ new_list = realloc(bb->list, bb->size * sizeof(blk_t));
+ if (!new_list)
return ENOMEM;
- }
+ bb->list = new_list;
}
- bb->list[bb->num++] = blk;
+ j = bb->num;
+ for (i=0; i < bb->num; i++) {
+ if (bb->list[i] == blk)
+ return 0;
+ if (bb->list[i] > blk) {
+ j = i;
+ break;
+ }
+ }
+ for (i=bb->num; i > j; i--)
+ bb->list[i] = bb->list[i-1];
+ bb->list[j] = blk;
+ bb->num++;
return 0;
}
* This procedure tests to see if a particular block is on a badblocks
* list.
*/
-int badblocks_list_test(badblocks_list bb, blk_t blk)
+int ext2fs_badblocks_list_test(ext2_badblocks_list bb, blk_t blk)
{
- int i;
+ int low, high, mid;
- EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST);
+ if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
+ return 0;
- for (i=0; i < bb->num; i++)
- if (bb->list[i] == blk)
- return 1;
+ low = 0;
+ high = bb->num-1;
+ if (blk == bb->list[low])
+ return 1;
+ if (blk == bb->list[high])
+ return 1;
+ while (low < high) {
+ mid = (low+high)/2;
+ if (mid == low || mid == high)
+ break;
+ if (blk == bb->list[mid])
+ return 1;
+ if (blk < bb->list[mid])
+ high = mid;
+ else
+ low = mid;
+ }
return 0;
}
-errcode_t badblocks_list_iterate_begin(badblocks_list bb,
- badblocks_iterate *ret)
+errcode_t ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb,
+ ext2_badblocks_iterate *ret)
{
- badblocks_iterate iter;
+ ext2_badblocks_iterate iter;
EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST);
- iter = malloc(sizeof(struct struct_badblocks_iterate));
+ iter = malloc(sizeof(struct ext2_struct_badblocks_iterate));
if (!iter)
return ENOMEM;
return 0;
}
-int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk)
+int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, blk_t *blk)
{
- badblocks_list bb;
+ ext2_badblocks_list bb;
if (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE)
return 0;
return 0;
}
-void badblocks_list_iterate_end(badblocks_iterate iter)
+void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter)
{
if (!iter || (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE))
return;
--- /dev/null
+/*
+ * bb_compat.c --- compatibility badblocks routines
+ *
+ * Copyright (C) 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <linux/ext2_fs.h>
+
+#include "ext2fsP.h"
+
+errcode_t badblocks_list_create(badblocks_list *ret, int size)
+{
+ return ext2fs_badblocks_list_create(ret, size);
+}
+
+void badblocks_list_free(badblocks_list bb)
+{
+ ext2fs_badblocks_list_free(bb);
+}
+
+errcode_t badblocks_list_add(badblocks_list bb, blk_t blk)
+{
+ return ext2fs_badblocks_list_add(bb, blk);
+}
+
+int badblocks_list_test(badblocks_list bb, blk_t blk)
+{
+ return ext2fs_badblocks_list_test(bb, blk);
+}
+
+errcode_t badblocks_list_iterate_begin(badblocks_list bb,
+ badblocks_iterate *ret)
+{
+ return ext2fs_badblocks_list_iterate_begin(bb, ret);
+}
+
+int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk)
+{
+ return ext2fs_badblocks_list_iterate(iter, blk);
+}
+
+void badblocks_list_iterate_end(badblocks_iterate iter)
+{
+ ext2fs_badblocks_list_iterate_end(iter);
+}
* this routine returns an error, the bad block inode may be in an
* inconsistent state.
*
- * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1994, 1995 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
#include "ext2fs.h"
struct set_badblock_record {
- badblocks_iterate bb_iter;
+ ext2_badblocks_iterate bb_iter;
int bad_block_count;
blk_t *ind_blocks;
int max_ind_blocks;
};
static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, int blockcnt,
- void *private);
+ blk_t ref_block, int ref_offset, void *private);
static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, int blockcnt,
- void *private);
+ blk_t ref_block, int ref_offset,
+ void *private);
/*
* Given a bad blocks bitmap, update the bad blocks inode to reflect
* the map.
*/
-errcode_t ext2fs_update_bb_inode(ext2_filsys fs, badblocks_list bb_list)
+errcode_t ext2fs_update_bb_inode(ext2_filsys fs, ext2_badblocks_list bb_list)
{
errcode_t retval;
struct set_badblock_record rec;
/*
* First clear the old bad blocks (while saving the indirect blocks)
*/
- retval = ext2fs_block_iterate(fs, EXT2_BAD_INO,
- BLOCK_FLAG_DEPTH_TRAVERSE, 0,
- clear_bad_block_proc, &rec);
+ retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO,
+ BLOCK_FLAG_DEPTH_TRAVERSE, 0,
+ clear_bad_block_proc, &rec);
if (retval)
goto cleanup;
if (rec.err) {
* block inode (!).
*/
if (bb_list) {
- retval = badblocks_list_iterate_begin(bb_list, &rec.bb_iter);
+ retval = ext2fs_badblocks_list_iterate_begin(bb_list,
+ &rec.bb_iter);
if (retval)
goto cleanup;
- while (badblocks_list_iterate(rec.bb_iter, &blk)) {
+ while (ext2fs_badblocks_list_iterate(rec.bb_iter, &blk)) {
ext2fs_mark_block_bitmap(fs->block_map, blk);
}
- badblocks_list_iterate_end(rec.bb_iter);
+ ext2fs_badblocks_list_iterate_end(rec.bb_iter);
ext2fs_mark_bb_dirty(fs);
- retval = badblocks_list_iterate_begin(bb_list, &rec.bb_iter);
+ retval = ext2fs_badblocks_list_iterate_begin(bb_list,
+ &rec.bb_iter);
if (retval)
goto cleanup;
- retval = ext2fs_block_iterate(fs, EXT2_BAD_INO,
- BLOCK_FLAG_APPEND, 0,
- set_bad_block_proc, &rec);
- badblocks_list_iterate_end(rec.bb_iter);
+ retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO,
+ BLOCK_FLAG_APPEND, 0,
+ set_bad_block_proc, &rec);
+ ext2fs_badblocks_list_iterate_end(rec.bb_iter);
if (retval)
goto cleanup;
if (rec.err) {
* indirect blocks.
*/
static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, int blockcnt,
- void *private)
+ blk_t ref_block, int ref_offset, void *private)
{
struct set_badblock_record *rec = (struct set_badblock_record *)
private;
* Set the block list in the bad block inode, using the supplied bitmap.
*/
static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr,
- int blockcnt, void *private)
+ int blockcnt, blk_t ref_block,
+ int ref_offset, void *private)
{
struct set_badblock_record *rec = (struct set_badblock_record *)
private;
/*
* Get the next bad block.
*/
- if (!badblocks_list_iterate(rec->bb_iter, &blk))
+ if (!ext2fs_badblocks_list_iterate(rec->bb_iter, &blk))
return BLOCK_ABORT;
rec->bad_block_count++;
} else {
* bitmaps.c --- routines to read, write, and manipulate the inode and
* block bitmaps.
*
- * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
memset(bitmap->bitmap, 0,
((bitmap->real_end - bitmap->start) / 8) + 1);
}
-
* bitops.c --- Bitmap frobbing code. See bitops.h for the inlined
* routines.
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
- *
- * Taken from <asm/bitops.h>, Copyright 1992, Linus Torvalds.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
* bitops.h --- Bitmap frobbing code. The byte swapping routines are
* also included here.
*
- * Copyright (C) 1993, 1994, 1995 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*
- * Taken from <asm/bitops.h>, Copyright 1992, Linus Torvalds.
+ * i386 bitops operations taken from <asm/bitops.h>, Copyright 1992,
+ * Linus Torvalds.
*/
extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
ino_t inode);
extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap);
-extern blk_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
+extern ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap);
-extern blk_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
+extern ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
+
+extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num);
+extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num);
+extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num);
+extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num);
+extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num);
+extern int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num);
/*
* The inline routines themselves...
#endif /* !_EXT2_HAVE_ASM_SWAB */
_INLINE_ void ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
- __u32 bitno)
+ __u32 bitno);
+_INLINE_ void ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
+ blk_t bitno);
+_INLINE_ int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
+ blk_t bitno);
+
+_INLINE_ void ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
+ __u32 bitno)
{
if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno);
}
_INLINE_ void ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
- blk_t bitno)
+ blk_t bitno)
{
if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno);
}
_INLINE_ int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
- blk_t bitno)
+ blk_t bitno)
{
if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno);
return bitmap->start;
}
-_INLINE_ blk_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
+_INLINE_ ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
{
return bitmap->start;
}
return bitmap->end;
}
-_INLINE_ blk_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
+_INLINE_ ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
{
return bitmap->end;
}
+_INLINE_ int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num)
+{
+ int i;
+
+ if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
+ ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
+ block, bitmap->description);
+ return 0;
+ }
+ for (i=0; i < num; i++) {
+ if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
+ return 0;
+ }
+ return 1;
+}
+
+_INLINE_ int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num)
+{
+ int i;
+
+#ifdef EXT2FS_DEBUG_FAST_OPS
+ if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
+ ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
+ block, bitmap->description);
+ return 0;
+ }
+#endif
+ for (i=0; i < num; i++) {
+ if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
+ return 0;
+ }
+ return 1;
+}
+
+_INLINE_ void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num)
+{
+ int i;
+
+ if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
+ ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
+ bitmap->description);
+ return;
+ }
+ for (i=0; i < num; i++)
+ ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
+}
+
+_INLINE_ void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num)
+{
+ int i;
+
+#ifdef EXT2FS_DEBUG_FAST_OPS
+ if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
+ ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
+ bitmap->description);
+ return;
+ }
+#endif
+ for (i=0; i < num; i++)
+ ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
+}
+
+_INLINE_ void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num)
+{
+ int i;
+
+ if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
+ ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
+ bitmap->description);
+ return;
+ }
+ for (i=0; i < num; i++)
+ ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
+}
+
+_INLINE_ void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+ blk_t block, int num)
+{
+ int i;
+
+#ifdef EXT2FS_DEBUG_FAST_OPS
+ if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
+ ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
+ bitmap->description);
+ return;
+ }
+#endif
+ for (i=0; i < num; i++)
+ ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
+}
+
#undef _INLINE_
#endif
/*
* block.c --- iterate over all blocks in an inode
*
- * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
int (*func)(ext2_filsys fs,
blk_t *blocknr,
int bcount,
+ blk_t ref_blk,
+ int ref_offset,
void *private);
int bcount;
int bsize;
void *private;
};
-static int block_iterate_ind(blk_t *ind_block, struct block_context *ctx)
+static int block_iterate_ind(blk_t *ind_block, blk_t ref_block,
+ int ref_offset, struct block_context *ctx)
{
int ret = 0, changed = 0;
- int i, flags, limit;
+ int i, flags, limit, offset;
blk_t *block_nr;
if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
!(ctx->flags & BLOCK_FLAG_DATA_ONLY))
ret = (*ctx->func)(ctx->fs, ind_block,
- BLOCK_COUNT_IND, ctx->private);
+ BLOCK_COUNT_IND, ref_block,
+ ref_offset, ctx->private);
if (!*ind_block || (ret & BLOCK_ABORT))
return ret;
if (*ind_block >= ctx->fs->super->s_blocks_count ||
*block_nr = ext2fs_swab32(*block_nr);
}
block_nr = (blk_t *) ctx->ind_buf;
+ offset = 0;
if (ctx->flags & BLOCK_FLAG_APPEND) {
for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) {
flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount,
+ *ind_block, offset,
ctx->private);
changed |= flags;
if (flags & BLOCK_ABORT) {
ret |= BLOCK_ABORT;
break;
}
+ offset += sizeof(blk_t);
}
} else {
for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) {
if (*block_nr == 0)
continue;
flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount,
+ *ind_block, offset,
ctx->private);
changed |= flags;
if (flags & BLOCK_ABORT) {
ret |= BLOCK_ABORT;
break;
}
+ offset += sizeof(blk_t);
}
}
if (changed & BLOCK_CHANGED) {
!(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
!(ret & BLOCK_ABORT))
ret |= (*ctx->func)(ctx->fs, ind_block,
- BLOCK_COUNT_IND, ctx->private);
+ BLOCK_COUNT_IND, ref_block,
+ ref_offset, ctx->private);
return ret;
}
-static int block_iterate_dind(blk_t *dind_block, struct block_context *ctx)
+static int block_iterate_dind(blk_t *dind_block, blk_t ref_block,
+ int ref_offset, struct block_context *ctx)
{
int ret = 0, changed = 0;
- int i, flags, limit;
+ int i, flags, limit, offset;
blk_t *block_nr;
if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
!(ctx->flags & BLOCK_FLAG_DATA_ONLY))
ret = (*ctx->func)(ctx->fs, dind_block,
- BLOCK_COUNT_DIND, ctx->private);
+ BLOCK_COUNT_DIND, ref_block,
+ ref_offset, ctx->private);
if (!*dind_block || (ret & BLOCK_ABORT))
return ret;
if (*dind_block >= ctx->fs->super->s_blocks_count ||
*block_nr = ext2fs_swab32(*block_nr);
}
block_nr = (blk_t *) ctx->dind_buf;
+ offset = 0;
if (ctx->flags & BLOCK_FLAG_APPEND) {
for (i = 0; i < limit; i++, block_nr++) {
- flags = block_iterate_ind(block_nr, ctx);
+ flags = block_iterate_ind(block_nr,
+ *dind_block, offset,
+ ctx);
changed |= flags;
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
break;
}
+ offset += sizeof(blk_t);
}
} else {
for (i = 0; i < limit; i++, block_nr++) {
if (*block_nr == 0)
continue;
- flags = block_iterate_ind(block_nr, ctx);
+ flags = block_iterate_ind(block_nr,
+ *dind_block, offset,
+ ctx);
changed |= flags;
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
break;
}
+ offset += sizeof(blk_t);
}
}
if (changed & BLOCK_CHANGED) {
!(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
!(ret & BLOCK_ABORT))
ret |= (*ctx->func)(ctx->fs, dind_block,
- BLOCK_COUNT_DIND, ctx->private);
+ BLOCK_COUNT_DIND, ref_block,
+ ref_offset, ctx->private);
return ret;
}
-static int block_iterate_tind(blk_t *tind_block, struct block_context *ctx)
+static int block_iterate_tind(blk_t *tind_block, blk_t ref_block,
+ int ref_offset, struct block_context *ctx)
{
int ret = 0, changed = 0;
- int i, flags, limit;
+ int i, flags, limit, offset;
blk_t *block_nr;
if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
!(ctx->flags & BLOCK_FLAG_DATA_ONLY))
ret = (*ctx->func)(ctx->fs, tind_block,
- BLOCK_COUNT_TIND, ctx->private);
+ BLOCK_COUNT_TIND, ref_block,
+ ref_offset, ctx->private);
if (!*tind_block || (ret & BLOCK_ABORT))
return ret;
if (*tind_block >= ctx->fs->super->s_blocks_count ||
*block_nr = ext2fs_swab32(*block_nr);
}
block_nr = (blk_t *) ctx->tind_buf;
+ offset = 0;
if (ctx->flags & BLOCK_FLAG_APPEND) {
for (i = 0; i < limit; i++, block_nr++) {
- flags = block_iterate_dind(block_nr, ctx);
+ flags = block_iterate_dind(block_nr,
+ *tind_block,
+ offset, ctx);
changed |= flags;
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
break;
}
+ offset += sizeof(blk_t);
}
} else {
for (i = 0; i < limit; i++, block_nr++) {
if (*block_nr == 0)
continue;
- flags = block_iterate_dind(block_nr, ctx);
+ flags = block_iterate_dind(block_nr,
+ *tind_block,
+ offset, ctx);
changed |= flags;
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
break;
}
+ offset += sizeof(blk_t);
}
}
if (changed & BLOCK_CHANGED) {
!(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
!(ret & BLOCK_ABORT))
ret |= (*ctx->func)(ctx->fs, tind_block,
- BLOCK_COUNT_TIND, ctx->private);
+ BLOCK_COUNT_TIND, ref_block,
+ ref_offset, ctx->private);
return ret;
}
-errcode_t ext2fs_block_iterate(ext2_filsys fs,
- ino_t ino,
- int flags,
- char *block_buf,
- int (*func)(ext2_filsys fs,
- blk_t *blocknr,
- int blockcnt,
- void *private),
- void *private)
+errcode_t ext2fs_block_iterate2(ext2_filsys fs,
+ ino_t ino,
+ int flags,
+ char *block_buf,
+ int (*func)(ext2_filsys fs,
+ blk_t *blocknr,
+ int blockcnt,
+ blk_t ref_blk,
+ int ref_offset,
+ void *private),
+ void *private)
{
int i;
int got_inode = 0;
int ret = 0;
- struct block_context ctx;
blk_t blocks[EXT2_N_BLOCKS]; /* directory data blocks */
struct ext2_inode inode;
errcode_t retval;
-
+ struct block_context ctx;
+
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
ret = ext2fs_get_blocks(fs, ino, blocks);
ctx.fs = fs;
ctx.func = func;
ctx.private = private;
- ctx.bcount = 0;
ctx.flags = flags;
+ ctx.bcount = 0;
if (block_buf) {
ctx.ind_buf = block_buf;
} else {
goto abort;
got_inode = 1;
if (inode.osd1.hurd1.h_i_translator) {
- ret |= (*func)(fs, &inode.osd1.hurd1.h_i_translator,
- BLOCK_COUNT_TRANSLATOR, private);
+ ret |= (*ctx.func)(fs,
+ &inode.osd1.hurd1.h_i_translator,
+ BLOCK_COUNT_TRANSLATOR,
+ 0, 0, private);
if (ret & BLOCK_ABORT)
goto abort;
}
*/
for (i = 0; i < EXT2_NDIR_BLOCKS ; i++, ctx.bcount++) {
if (blocks[i] || (flags & BLOCK_FLAG_APPEND)) {
- ret |= (*func)(fs, &blocks[i], ctx.bcount, private);
+ ret |= (*ctx.func)(fs, &blocks[i],
+ ctx.bcount, 0, 0, private);
if (ret & BLOCK_ABORT)
goto abort;
}
}
if (*(blocks + EXT2_IND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
- ret |= block_iterate_ind(blocks + EXT2_IND_BLOCK, &ctx);
+ ret |= block_iterate_ind(blocks + EXT2_IND_BLOCK,
+ 0, 0, &ctx);
if (ret & BLOCK_ABORT)
goto abort;
}
if (*(blocks + EXT2_DIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
- ret |= block_iterate_dind(blocks + EXT2_DIND_BLOCK, &ctx);
+ ret |= block_iterate_dind(blocks + EXT2_DIND_BLOCK,
+ 0, 0, &ctx);
if (ret & BLOCK_ABORT)
goto abort;
}
if (*(blocks + EXT2_TIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
- ret |= block_iterate_tind(blocks + EXT2_TIND_BLOCK, &ctx);
+ ret |= block_iterate_tind(blocks + EXT2_TIND_BLOCK,
+ 0, 0, &ctx);
if (ret & BLOCK_ABORT)
goto abort;
}
return (ret & BLOCK_ERROR) ? ctx.errcode : 0;
}
+
+struct xlate {
+ int (*func)(ext2_filsys fs,
+ blk_t *blocknr,
+ int bcount,
+ void *private);
+ void *real_private;
+};
+
+static int xlate_func(ext2_filsys fs, blk_t *blocknr, int blockcnt,
+ blk_t ref_block, int ref_offset, void *private)
+{
+ struct xlate *xl = private;
+
+ return (*xl->func)(fs, blocknr, blockcnt, xl->real_private);
+}
+
+errcode_t ext2fs_block_iterate(ext2_filsys fs,
+ ino_t ino,
+ int flags,
+ char *block_buf,
+ int (*func)(ext2_filsys fs,
+ blk_t *blocknr,
+ int blockcnt,
+ void *private),
+ void *private)
+{
+ struct xlate xl;
+
+ xl.real_private = private;
+ xl.func = func;
+
+ return ext2fs_block_iterate2(fs, ino, flags, block_buf,
+ xlate_func, &xl);
+}
+
+
--- /dev/null
+/*
+ * brel.h
+ *
+ * Copyright (C) 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+struct ext2_block_relocate_entry {
+ blk_t new;
+ __s16 offset;
+ __u16 flags;
+ union {
+ blk_t block_ref;
+ ino_t inode_ref;
+ } owner;
+};
+
+#define RELOCATE_INODE_REF 0x0001
+
+typedef struct ext2_block_relocation_table *ext2_brel;
+
+struct ext2_block_relocation_table {
+ __u32 magic;
+ char *name;
+ blk_t current;
+ void *private;
+
+ /*
+ * Add a block relocation entry.
+ */
+ errcode_t (*put)(ext2_brel brel, blk_t old,
+ struct ext2_block_relocate_entry *ent);
+
+ /*
+ * Get a block relocation entry.
+ */
+ errcode_t (*get)(ext2_brel brel, blk_t old,
+ struct ext2_block_relocate_entry *ent);
+
+ /*
+ * Initialize for iterating over the block relocation entries.
+ */
+ errcode_t (*start_iter)(ext2_brel brel);
+
+ /*
+ * The iterator function for the inode relocation entries.
+ * Returns an inode number of 0 when out of entries.
+ */
+ errcode_t (*next)(ext2_brel brel, blk_t *old,
+ struct ext2_block_relocate_entry *ent);
+
+ /*
+ * Move the inode relocation table from one block number to
+ * another.
+ */
+ errcode_t (*move)(ext2_brel brel, blk_t old, blk_t new);
+
+ /*
+ * Remove a block relocation entry.
+ */
+ errcode_t (*delete)(ext2_brel brel, blk_t old);
+
+
+ /*
+ * Free the block relocation table.
+ */
+ errcode_t (*free)(ext2_brel brel);
+};
+
+errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block,
+ ext2_brel *brel);
+
+#define ext2fs_brel_put(brel, old, ent) ((brel)->put((brel), old, ent))
+#define ext2fs_brel_get(brel, old, ent) ((brel)->get((brel), old, ent))
+#define ext2fs_brel_start_iter(brel) ((brel)->start_iter((brel)))
+#define ext2fs_brel_next(brel, old, ent) ((brel)->next((brel), old, ent))
+#define ext2fs_brel_move(brel, old, new) ((brel)->move((brel), old, new))
+#define ext2fs_brel_delete(brel, old) ((brel)->delete((brel), old))
+#define ext2fs_brel_free(brel) ((brel)->free((brel)))
+
--- /dev/null
+/*
+ * brel_ma.c
+ *
+ * Copyright (C) 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <linux/ext2_fs.h>
+
+#include "ext2fs.h"
+#include "brel.h"
+
+static errcode_t bma_put(ext2_brel brel, blk_t old,
+ struct ext2_block_relocate_entry *ent);
+static errcode_t bma_get(ext2_brel brel, blk_t old,
+ struct ext2_block_relocate_entry *ent);
+static errcode_t bma_start_iter(ext2_brel brel);
+static errcode_t bma_next(ext2_brel brel, blk_t *old,
+ struct ext2_block_relocate_entry *ent);
+static errcode_t bma_move(ext2_brel brel, blk_t old, blk_t new);
+static errcode_t bma_delete(ext2_brel brel, blk_t old);
+static errcode_t bma_free(ext2_brel brel);
+
+struct brel_ma {
+ __u32 magic;
+ blk_t max_block;
+ struct ext2_block_relocate_entry *entries;
+};
+
+errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block,
+ ext2_brel *new_brel)
+{
+ ext2_brel brel = 0;
+ errcode_t retval;
+ struct brel_ma *ma = 0;
+ size_t size;
+
+ *new_brel = 0;
+
+ /*
+ * Allocate memory structures
+ */
+ retval = ENOMEM;
+ brel = malloc(sizeof(struct ext2_block_relocation_table));
+ if (!brel)
+ goto errout;
+ memset(brel, 0, sizeof(struct ext2_block_relocation_table));
+
+ brel->name = malloc(strlen(name)+1);
+ if (!brel->name)
+ goto errout;
+ strcpy(brel->name, name);
+
+ ma = malloc(sizeof(struct brel_ma));
+ if (!ma)
+ goto errout;
+ memset(ma, 0, sizeof(struct brel_ma));
+ brel->private = ma;
+
+ size = sizeof(struct ext2_block_relocate_entry) * (max_block+1);
+ ma->entries = malloc(size);
+ if (!ma->entries)
+ goto errout;
+ memset(ma->entries, 0, size);
+ ma->max_block = max_block;
+
+ /*
+ * Fill in the brel data structure
+ */
+ brel->put = bma_put;
+ brel->get = bma_get;
+ brel->start_iter = bma_start_iter;
+ brel->next = bma_next;
+ brel->move = bma_move;
+ brel->delete = bma_delete;
+ brel->free = bma_free;
+
+ *new_brel = brel;
+ return 0;
+
+errout:
+ bma_free(brel);
+ return retval;
+}
+
+static errcode_t bma_put(ext2_brel brel, blk_t old,
+ struct ext2_block_relocate_entry *ent)
+{
+ struct brel_ma *ma;
+
+ ma = brel->private;
+ if (old > ma->max_block)
+ return EINVAL;
+ ma->entries[old] = *ent;
+ return 0;
+}
+
+static errcode_t bma_get(ext2_brel brel, blk_t old,
+ struct ext2_block_relocate_entry *ent)
+{
+ struct brel_ma *ma;
+
+ ma = brel->private;
+ if (old > ma->max_block)
+ return EINVAL;
+ if (ma->entries[old].new == 0)
+ return ENOENT;
+ *ent = ma->entries[old];
+ return 0;
+}
+
+static errcode_t bma_start_iter(ext2_brel brel)
+{
+ brel->current = 0;
+ return 0;
+}
+
+static errcode_t bma_next(ext2_brel brel, blk_t *old,
+ struct ext2_block_relocate_entry *ent)
+{
+ struct brel_ma *ma;
+
+ ma = brel->private;
+ while (++brel->current < ma->max_block) {
+ if (ma->entries[brel->current].new == 0)
+ continue;
+ *old = brel->current;
+ *ent = ma->entries[brel->current];
+ return 0;
+ }
+ *old = 0;
+ return 0;
+}
+
+static errcode_t bma_move(ext2_brel brel, blk_t old, blk_t new)
+{
+ struct brel_ma *ma;
+
+ ma = brel->private;
+ if ((old > ma->max_block) || (new > ma->max_block))
+ return EINVAL;
+ if (ma->entries[old].new == 0)
+ return ENOENT;
+ ma->entries[new] = ma->entries[old];
+ ma->entries[old].new = 0;
+ return 0;
+}
+
+static errcode_t bma_delete(ext2_brel brel, blk_t old)
+{
+ struct brel_ma *ma;
+
+ ma = brel->private;
+ if (old > ma->max_block)
+ return EINVAL;
+ if (ma->entries[old].new == 0)
+ return ENOENT;
+ ma->entries[old].new = 0;
+ return 0;
+}
+
+static errcode_t bma_free(ext2_brel brel)
+{
+ struct brel_ma *ma;
+
+ if (!brel)
+ return 0;
+
+ ma = brel->private;
+
+ if (ma) {
+ if (ma->entries)
+ free (ma->entries);
+ free(ma);
+ }
+ if (brel->name)
+ free(brel->name);
+ free (brel);
+ return 0;
+}
/*
* check_desc.c --- Check the group descriptors of an ext2 filesystem
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
/*
* closefs.c --- close an ext2 filesystem
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
#include <linux/ext2_fs.h>
-#include "ext2fs.h"
+#include "ext2fsP.h"
errcode_t ext2fs_flush(ext2_filsys fs)
{
if (retval)
goto errout;
}
-
retval = 0;
errout:
fs->super->s_state = fs_state;
if (retval)
return retval;
}
+ if (fs->write_bitmaps) {
+ retval = fs->write_bitmaps(fs);
+ if (retval)
+ return retval;
+ }
ext2fs_free(fs);
return 0;
}
+
+/*
+ * This procedure frees a badblocks list.
+ */
+void ext2fs_badblocks_list_free(ext2_badblocks_list bb)
+{
+ if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
+ return;
+
+ if (bb->list)
+ free(bb->list);
+ bb->list = 0;
+ free(bb);
+}
+
+/*
+ * Close a directory block list
+ */
+void ext2fs_free_dblist(ext2_dblist dblist)
+{
+ if (!dblist || (dblist->magic != EXT2_ET_MAGIC_DBLIST))
+ return;
+
+ if (dblist->list)
+ free(dblist->list);
+ dblist->list = 0;
+ if (dblist->fs && dblist->fs->dblist == dblist)
+ dblist->fs->dblist = 0;
+ dblist->magic = 0;
+ free(dblist);
+}
/*
* cmp_bitmaps.c --- routines to compare inode and block bitmaps.
*
- * Copyright (C) 1995 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1995 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
--- /dev/null
+/*
+ * dblist.c -- directory block list functions
+ *
+ * Copyright 1997 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <linux/ext2_fs.h>
+
+#include "ext2fsP.h"
+
+static int dir_block_cmp(const void *a, const void *b);
+
+/*
+ * Returns the number of directories in the filesystem as reported by
+ * the group descriptors. Of course, the group descriptors could be
+ * wrong!
+ */
+errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ino_t *ret_num_dirs)
+{
+ int i;
+ ino_t num_dirs;
+
+ EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
+
+ num_dirs = 0;
+ for (i = 0; i < fs->group_desc_count; i++)
+ num_dirs += fs->group_desc[i].bg_used_dirs_count;
+
+ *ret_num_dirs = num_dirs;
+
+ return 0;
+}
+
+/*
+ * Initialize a directory block list
+ */
+errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist)
+{
+ ext2_dblist dblist;
+ errcode_t retval;
+
+ EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
+
+ if ((ret_dblist == 0) && fs->dblist &&
+ (fs->dblist->magic == EXT2_ET_MAGIC_DBLIST))
+ return 0;
+
+ dblist = malloc(sizeof(struct ext2_struct_dblist));
+ if (!dblist)
+ return ENOMEM;
+ memset(dblist, 0, sizeof(struct ext2_struct_dblist));
+
+ dblist->magic = EXT2_ET_MAGIC_DBLIST;
+ dblist->fs = fs;
+ retval = ext2fs_get_num_dirs(fs, &dblist->size);
+ if (retval)
+ goto cleanup;
+
+ dblist->count = 0;
+ dblist->sorted = 1;
+ dblist->list = malloc(sizeof(struct ext2_db_entry) * dblist->size);
+ if (dblist->list == NULL) {
+ retval = ENOMEM;
+ goto cleanup;
+ }
+ if (ret_dblist)
+ *ret_dblist = dblist;
+ else
+ fs->dblist = dblist;
+
+ return 0;
+cleanup:
+ if (dblist)
+ free(dblist);
+ return retval;
+}
+
+/*
+ * Close a directory block list
+ *
+ * (moved to closefs.c)
+ */
+
+
+/*
+ * Add a directory block to the directory block list
+ */
+errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ino_t ino, blk_t blk,
+ int blockcnt)
+{
+ struct ext2_db_entry *nlist, *new;
+
+ EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST);
+
+ if (dblist->count >= dblist->size) {
+ dblist->size += 100;
+ nlist = realloc(dblist->list,
+ dblist->size * sizeof(struct ext2_db_entry));
+ if (nlist == 0) {
+ dblist->size -= 100;
+ return ENOMEM;
+ }
+ dblist->list = nlist;
+ }
+ new = dblist->list + dblist->count++;
+ new->blk = blk;
+ new->ino = ino;
+ new->blockcnt = blockcnt;
+
+ dblist->sorted = 0;
+
+ return 0;
+}
+
+/*
+ * This function iterates over the directory block list
+ */
+errcode_t ext2fs_dblist_iterate(ext2_dblist dblist,
+ int (*func)(ext2_filsys fs,
+ struct ext2_db_entry *db_info,
+ void *private),
+ void *private)
+{
+ ino_t i;
+ int ret;
+
+ EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST);
+
+ if (!dblist->sorted) {
+ qsort(dblist->list, dblist->count,
+ sizeof(struct ext2_db_entry), dir_block_cmp);
+ dblist->sorted = 1;
+ }
+ for (i=0; i < dblist->count; i++) {
+ ret = (*func)(dblist->fs, &dblist->list[i], private);
+ if (ret & DBLIST_ABORT)
+ return 0;
+ }
+
+ return 0;
+}
+
+
+static int dir_block_cmp(const void *a, const void *b)
+{
+ const struct ext2_db_entry *db_a =
+ (const struct ext2_db_entry *) a;
+ const struct ext2_db_entry *db_b =
+ (const struct ext2_db_entry *) b;
+
+ if (db_a->blk != db_b->blk)
+ return (db_a->blk - db_b->blk);
+
+ if (db_a->ino != db_b->ino)
+ return (db_a->ino - db_b->ino);
+
+ return (db_a->blockcnt - db_b->blockcnt);
+}
+
+
--- /dev/null
+/*
+ * dblist_dir.c --- iterate by directory entry
+ *
+ * Copyright 1997 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <linux/ext2_fs.h>
+
+#include "ext2fsP.h"
+
+static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info,
+ void *private);
+
+extern errcode_t
+ ext2fs_dblist_dir_iterate(ext2_dblist dblist,
+ int flags,
+ char *block_buf,
+ int (*func)(ino_t dir,
+ int entry,
+ struct ext2_dir_entry *dirent,
+ int offset,
+ int blocksize,
+ char *buf,
+ void *private),
+ void *private)
+{
+ errcode_t retval;
+ struct dir_context ctx;
+
+ EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST);
+
+ ctx.dir = 0;
+ ctx.flags = flags;
+ if (block_buf)
+ ctx.buf = block_buf;
+ else {
+ ctx.buf = malloc(dblist->fs->blocksize);
+ if (!ctx.buf)
+ return ENOMEM;
+ }
+ ctx.func = 0;
+ ctx.func2 = func;
+ ctx.private = private;
+ ctx.errcode = 0;
+
+ retval = ext2fs_dblist_iterate(dblist, db_dir_proc, &ctx);
+
+ if (!block_buf)
+ free(ctx.buf);
+ if (retval)
+ return retval;
+ return ctx.errcode;
+}
+
+static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info,
+ void *private)
+{
+ struct dir_context *ctx = private;
+
+ ctx->dir = db_info->ino;
+
+ return ext2fs_process_dir_block(fs, &db_info->blk,
+ db_info->blockcnt, private);
+}
--- /dev/null
+/*
+ * dir_iterate.c --- ext2fs directory iteration operations
+ *
+ * Copyright (C) 1993, 1994, 1994, 1995, 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <linux/ext2_fs.h>
+
+#include "ext2fsP.h"
+
+errcode_t ext2fs_dir_iterate(ext2_filsys fs,
+ ino_t dir,
+ int flags,
+ char *block_buf,
+ int (*func)(struct ext2_dir_entry *dirent,
+ int offset,
+ int blocksize,
+ char *buf,
+ void *private),
+ void *private)
+{
+ struct dir_context ctx;
+ errcode_t retval;
+
+ EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
+
+ retval = ext2fs_check_directory(fs, dir);
+ if (retval)
+ return retval;
+
+ ctx.dir = dir;
+ ctx.flags = flags;
+ if (block_buf)
+ ctx.buf = block_buf;
+ else {
+ ctx.buf = malloc(fs->blocksize);
+ if (!ctx.buf)
+ return ENOMEM;
+ }
+ ctx.func = func;
+ ctx.func2 = 0;
+ ctx.private = private;
+ ctx.errcode = 0;
+ retval = ext2fs_block_iterate(fs, dir, 0, 0,
+ ext2fs_process_dir_block, &ctx);
+ if (!block_buf)
+ free(ctx.buf);
+ if (retval)
+ return retval;
+ return ctx.errcode;
+}
+
+/*
+ * Helper function which is private to this module. Used by
+ * ext2fs_dir_iterate() and ext2fs_dblist_dir_iterate()
+ */
+extern int ext2fs_process_dir_block(ext2_filsys fs,
+ blk_t *blocknr,
+ int blockcnt,
+ void *private)
+{
+ struct dir_context *ctx = (struct dir_context *) private;
+ int offset = 0;
+ int ret = 0;
+ int changed = 0;
+ int do_abort = 0;
+ int entry;
+ struct ext2_dir_entry *dirent;
+
+ if (blockcnt < 0)
+ return 0;
+
+ ctx->errcode = ext2fs_read_dir_block(fs, *blocknr, ctx->buf);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+
+ entry = blockcnt ? DIRENT_OTHER_FILE : DIRENT_DOT_FILE;
+
+ while (offset < fs->blocksize) {
+ dirent = (struct ext2_dir_entry *) (ctx->buf + offset);
+ if (!dirent->inode &&
+ !(ctx->flags & DIRENT_FLAG_INCLUDE_EMPTY))
+ goto next;
+
+ if (ctx->func)
+ ret = (ctx->func)(dirent, offset, fs->blocksize,
+ ctx->buf, ctx->private);
+ else if (ctx->func2) {
+ ret = (ctx->func2)(ctx->dir, entry, dirent, offset,
+ fs->blocksize, ctx->buf,
+ ctx->private);
+ if (entry < DIRENT_OTHER_FILE)
+ entry++;
+ }
+
+ if (ret & DIRENT_CHANGED)
+ changed++;
+ if (ret & DIRENT_ABORT) {
+ do_abort++;
+ break;
+ }
+next:
+ if (((offset + dirent->rec_len) > fs->blocksize) ||
+ (dirent->rec_len < 8) ||
+ ((dirent->name_len+8) > dirent->rec_len)) {
+ ctx->errcode = EXT2_ET_DIR_CORRUPTED;
+ return BLOCK_ABORT;
+ }
+ offset += dirent->rec_len;
+ }
+
+ if (changed) {
+ ctx->errcode = ext2fs_write_dir_block(fs, *blocknr, ctx->buf);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+ }
+ if (do_abort)
+ return BLOCK_ABORT;
+ return 0;
+}
+
/*
* dirblock.c --- directory block routines.
*
- * Copyright (C) 1995 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
+ * Copyright (C) 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
+#include <string.h>
#include <time.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
* under the GNU Public License.
*/
-#define E2FSPROGS_VERSION "1.06"
-#define E2FSPROGS_DATE "7-Oct-96"
-
+#define E2FSPROGS_VERSION "1.07"
+#define E2FSPROGS_DATE "14-Mar-97"
git://git.whamcloud.com / tools / e2fsprogs.git / commitdiff