/*
* util.c --- miscellaneous utilities
- *
+ *
* Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
#include <unistd.h>
#include <string.h>
#include <ctype.h>
+
+#ifdef HAVE_CONIO_H
+#undef HAVE_TERMIOS_H
+#include <conio.h>
+#define read_a_char() getch()
+#else
+#ifdef HAVE_TERMIOS_H
#include <termios.h>
+#endif
+#include <stdio.h>
+#endif
+
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
#include "e2fsck.h"
+extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
+
#include <sys/time.h>
#include <sys/resource.h>
-void fatal_error (const char *msg)
+void fatal_error(e2fsck_t ctx, const char *msg)
{
- if (msg)
+ if (msg)
fprintf (stderr, "e2fsck: %s\n", msg);
+ if (ctx->fs && ctx->fs->io) {
+ if (ctx->fs->io->magic == EXT2_ET_MAGIC_IO_CHANNEL)
+ io_channel_flush(ctx->fs->io);
+ else
+ fprintf(stderr, "e2fsck: io manager magic bad!\n");
+ }
+ ctx->flags |= E2F_FLAG_ABORT;
+ if (ctx->flags & E2F_FLAG_SETJMP_OK)
+ longjmp(ctx->abort_loc, 1);
exit(FSCK_ERROR);
}
-void *allocate_memory(int size, const char *description)
+void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
+ const char *description)
{
void *ret;
char buf[256];
ret = malloc(size);
if (!ret) {
sprintf(buf, "Can't allocate %s\n", description);
- fatal_error(buf);
+ fatal_error(ctx, buf);
}
memset(ret, 0, size);
return ret;
}
+char *string_copy(e2fsck_t ctx EXT2FS_ATTR((unused)),
+ const char *str, int len)
+{
+ char *ret;
+
+ if (!str)
+ return NULL;
+ if (!len)
+ len = strlen(str);
+ ret = malloc(len+1);
+ if (ret) {
+ strncpy(ret, str, len);
+ ret[len] = 0;
+ }
+ return ret;
+}
+
+#ifndef HAVE_STRNLEN
+/*
+ * Incredibly, libc5 doesn't appear to have strnlen. So we have to
+ * provide our own.
+ */
+int e2fsck_strnlen(const char * s, int count)
+{
+ const char *cp = s;
+
+ while (count-- && *cp)
+ cp++;
+ return cp - s;
+}
+#endif
+
+#ifndef HAVE_CONIO_H
+static int read_a_char(void)
+{
+ char c;
+ int r;
+ int fail = 0;
+
+ while(1) {
+ if (e2fsck_global_ctx &&
+ (e2fsck_global_ctx->flags & E2F_FLAG_CANCEL)) {
+ return 3;
+ }
+ r = read(0, &c, 1);
+ if (r == 1)
+ return c;
+ if (fail++ > 100)
+ break;
+ }
+ return EOF;
+}
+#endif
+
int ask_yn(const char * string, int def)
{
int c;
- struct termios termios, tmp;
const char *defstr;
+ const char *short_yes = _("yY");
+ const char *short_no = _("nN");
+
+#ifdef HAVE_TERMIOS_H
+ struct termios termios, tmp;
tcgetattr (0, &termios);
tmp = termios;
tmp.c_cc[VMIN] = 1;
tmp.c_cc[VTIME] = 0;
tcsetattr (0, TCSANOW, &tmp);
+#endif
if (def == 1)
- defstr = "<y>";
+ defstr = _(_("<y>"));
else if (def == 0)
- defstr = "<n>";
+ defstr = _(_("<n>"));
else
- defstr = " (y/n)";
+ defstr = _(" (y/n)");
printf("%s%s? ", string, defstr);
while (1) {
fflush (stdout);
- if ((c = getchar()) == EOF)
+ if ((c = read_a_char()) == EOF)
break;
- c = toupper(c);
- if (c == 'Y') {
+ if (c == 3) {
+#ifdef HAVE_TERMIOS_H
+ tcsetattr (0, TCSANOW, &termios);
+#endif
+ if (e2fsck_global_ctx &&
+ e2fsck_global_ctx->flags & E2F_FLAG_SETJMP_OK) {
+ puts("\n");
+ longjmp(e2fsck_global_ctx->abort_loc, 1);
+ }
+ puts(_("cancelled!\n"));
+ return 0;
+ }
+ if (strchr(short_yes, (char) c)) {
def = 1;
break;
}
- else if (c == 'N') {
+ else if (strchr(short_no, (char) c)) {
def = 0;
break;
}
break;
}
if (def)
- printf ("yes\n\n");
+ puts(_("yes\n"));
else
- printf ("no\n\n");
+ puts (_("no\n"));
+#ifdef HAVE_TERMIOS_H
tcsetattr (0, TCSANOW, &termios);
+#endif
return def;
}
int ask (e2fsck_t ctx, const char * string, int def)
{
if (ctx->options & E2F_OPT_NO) {
- printf ("%s? no\n\n", string);
+ printf (_("%s? no\n\n"), string);
return 0;
}
if (ctx->options & E2F_OPT_YES) {
- printf ("%s? yes\n\n", string);
+ printf (_("%s? yes\n\n"), string);
return 1;
}
if (ctx->options & E2F_OPT_PREEN) {
- printf ("%s? %s\n\n", string, def ? "yes" : "no");
+ printf ("%s? %s\n\n", string, def ? _("yes") : _("no"));
return def;
}
return ask_yn(string, def);
}
-void read_bitmaps(e2fsck_t ctx)
+void e2fsck_read_bitmaps(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
+ const char *old_op;
if (ctx->invalid_bitmaps) {
com_err(ctx->program_name, 0,
- "read_bitmaps: illegal bitmap block(s) for %s",
+ _("e2fsck_read_bitmaps: illegal bitmap block(s) for %s"),
ctx->device_name);
- fatal_error(0);
+ fatal_error(ctx, 0);
}
- ehandler_operation("reading inode and block bitmaps");
+ old_op = ehandler_operation(_("reading inode and block bitmaps"));
retval = ext2fs_read_bitmaps(fs);
- ehandler_operation(0);
+ ehandler_operation(old_op);
if (retval) {
com_err(ctx->program_name, retval,
- "while retrying to read bitmaps for %s",
+ _("while retrying to read bitmaps for %s"),
ctx->device_name);
- fatal_error(0);
+ fatal_error(ctx, 0);
}
}
-void write_bitmaps(e2fsck_t ctx)
+void e2fsck_write_bitmaps(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
+ const char *old_op;
- if (ext2fs_test_bb_dirty(fs)) {
- ehandler_operation("writing block bitmaps");
- retval = ext2fs_write_block_bitmap(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- "while retrying to write block bitmaps for %s",
- ctx->device_name);
- fatal_error(0);
- }
- }
-
- if (ext2fs_test_ib_dirty(fs)) {
- ehandler_operation("writing inode bitmaps");
- retval = ext2fs_write_inode_bitmap(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- "while retrying to write inode bitmaps for %s",
- ctx->device_name);
- fatal_error(0);
- }
+ old_op = ehandler_operation(_("writing block and inode bitmaps"));
+ retval = ext2fs_write_bitmaps(fs);
+ ehandler_operation(old_op);
+ if (retval) {
+ com_err(ctx->program_name, retval,
+ _("while rewriting block and inode bitmaps for %s"),
+ ctx->device_name);
+ fatal_error(ctx, 0);
}
}
if (!(ctx->options & E2F_OPT_PREEN))
return;
- fprintf(stderr, "\n\n%s: UNEXPECTED INCONSISTENCY; "
- "RUN fsck MANUALLY.\n\t(i.e., without -a or -p options)\n",
+ fprintf(stderr, _("\n\n%s: UNEXPECTED INCONSISTENCY; "
+ "RUN fsck MANUALLY.\n\t(i.e., without -a or -p options)\n"),
ctx->device_name);
+ ctx->flags |= E2F_FLAG_EXITING;
if (fs != NULL) {
fs->super->s_state |= EXT2_ERROR_FS;
ext2fs_mark_super_dirty(fs);
}
#ifdef RESOURCE_TRACK
-void init_resource_track(struct resource_track *track)
+void init_resource_track(struct resource_track *track, io_channel channel)
{
#ifdef HAVE_GETRUSAGE
struct rusage r;
#endif
-
+ io_stats io_start = 0;
+
track->brk_start = sbrk(0);
gettimeofday(&track->time_start, 0);
#ifdef HAVE_GETRUSAGE
-#ifdef solaris
- memcpy(&r, 0, sizeof(struct rusage));
+#ifdef sun
+ memset(&r, 0, sizeof(struct rusage));
#endif
getrusage(RUSAGE_SELF, &r);
track->user_start = r.ru_utime;
track->user_start.tv_sec = track->user_start.tv_usec = 0;
track->system_start.tv_sec = track->system_start.tv_usec = 0;
#endif
+ track->bytes_read = 0;
+ track->bytes_written = 0;
+ if (channel && channel->manager && channel->manager->get_stats)
+ channel->manager->get_stats(channel, &io_start);
+ if (io_start) {
+ track->bytes_read = io_start->bytes_read;
+ track->bytes_written = io_start->bytes_written;
+ }
}
#ifdef __GNUC__
((float) (tv1->tv_usec - tv2->tv_usec)) / 1000000);
}
-void print_resource_track(const char *desc, struct resource_track *track)
+void print_resource_track(const char *desc, struct resource_track *track,
+ io_channel channel)
{
#ifdef HAVE_GETRUSAGE
struct rusage r;
#endif
+#ifdef HAVE_MALLINFO
+ struct mallinfo malloc_info;
+#endif
struct timeval time_end;
gettimeofday(&time_end, 0);
if (desc)
- printf("%s :", desc);
-
+ printf("%s: ", desc);
+
+#ifdef HAVE_MALLINFO
+#define kbytes(x) (((x) + 1023) / 1024)
+
+ malloc_info = mallinfo();
+ printf(_("Memory used: %dk/%dk (%dk/%dk), "),
+ kbytes(malloc_info.arena), kbytes(malloc_info.hblkhd),
+ kbytes(malloc_info.uordblks), kbytes(malloc_info.fordblks));
+#else
+ printf(_("Memory used: %d, "),
+ (int) (((char *) sbrk(0)) - ((char *) track->brk_start)));
+#endif
#ifdef HAVE_GETRUSAGE
getrusage(RUSAGE_SELF, &r);
- printf("Memory used: %d, elapsed time: %6.3f/%6.3f/%6.3f\n",
- (int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
+ printf(_("time: %5.2f/%5.2f/%5.2f\n"),
timeval_subtract(&time_end, &track->time_start),
timeval_subtract(&r.ru_utime, &track->user_start),
timeval_subtract(&r.ru_stime, &track->system_start));
#else
- printf("Memory used: %d, elapsed time: %6.3f\n",
- (int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
+ printf(_("elapsed time: %6.3f\n"),
timeval_subtract(&time_end, &track->time_start));
#endif
+#define mbytes(x) (((x) + 1048575) / 1048576)
+ if (channel && channel->manager && channel->manager->get_stats) {
+ io_stats delta = 0;
+ unsigned long long bytes_read = 0;
+ unsigned long long bytes_written = 0;
+
+ if (desc)
+ printf("%s: ", desc);
+
+ channel->manager->get_stats(channel, &delta);
+ if (delta) {
+ bytes_read = delta->bytes_read - track->bytes_read;
+ bytes_written = delta->bytes_written -
+ track->bytes_written;
+ }
+ printf("I/O read: %lluMB, write: %lluMB, rate: %.2fMB/s\n",
+ mbytes(bytes_read), mbytes(bytes_written),
+ (double)mbytes(bytes_read + bytes_written) /
+ timeval_subtract(&time_end, &track->time_start));
+ }
}
#endif /* RESOURCE_TRACK */
retval = ext2fs_read_inode(ctx->fs, ino, inode);
if (retval) {
com_err("ext2fs_read_inode", retval,
- "while reading inode %ld in %s", ino, proc);
- fatal_error(0);
+ _("while reading inode %ld in %s"), ino, proc);
+ fatal_error(ctx, 0);
+ }
+}
+
+void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
+ struct ext2_inode *inode, int bufsize,
+ const char *proc)
+{
+ int retval;
+
+ retval = ext2fs_read_inode_full(ctx->fs, ino, inode, bufsize);
+ if (retval) {
+ com_err("ext2fs_read_inode_full", retval,
+ _("while reading inode %ld in %s"), ino, proc);
+ fatal_error(ctx, 0);
+ }
+}
+
+extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
+ struct ext2_inode * inode, int bufsize,
+ const char *proc)
+{
+ int retval;
+
+ retval = ext2fs_write_inode_full(ctx->fs, ino, inode, bufsize);
+ if (retval) {
+ com_err("ext2fs_write_inode", retval,
+ _("while writing inode %ld in %s"), ino, proc);
+ fatal_error(ctx, 0);
}
}
retval = ext2fs_write_inode(ctx->fs, ino, inode);
if (retval) {
com_err("ext2fs_write_inode", retval,
- "while writing inode %ld in %s", ino, proc);
- fatal_error(0);
+ _("while writing inode %ld in %s"), ino, proc);
+ fatal_error(ctx, 0);
}
}
}
#endif
-blk_t get_backup_sb(ext2_filsys fs)
+blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, const char *name,
+ io_manager manager)
+{
+ struct ext2_super_block *sb;
+ io_channel io = NULL;
+ void *buf = NULL;
+ int blocksize;
+ blk_t superblock, ret_sb = 8193;
+
+ if (fs && fs->super) {
+ ret_sb = (fs->super->s_blocks_per_group +
+ fs->super->s_first_data_block);
+ if (ctx) {
+ ctx->superblock = ret_sb;
+ ctx->blocksize = fs->blocksize;
+ }
+ return ret_sb;
+ }
+
+ if (ctx) {
+ if (ctx->blocksize) {
+ ret_sb = ctx->blocksize * 8;
+ if (ctx->blocksize == 1024)
+ ret_sb++;
+ ctx->superblock = ret_sb;
+ return ret_sb;
+ }
+ ctx->superblock = ret_sb;
+ ctx->blocksize = 1024;
+ }
+
+ if (!name || !manager)
+ goto cleanup;
+
+ if (manager->open(name, 0, &io) != 0)
+ goto cleanup;
+
+ if (ext2fs_get_mem(SUPERBLOCK_SIZE, &buf))
+ goto cleanup;
+ sb = (struct ext2_super_block *) buf;
+
+ for (blocksize = EXT2_MIN_BLOCK_SIZE;
+ blocksize <= EXT2_MAX_BLOCK_SIZE ; blocksize *= 2) {
+ superblock = blocksize*8;
+ if (blocksize == 1024)
+ superblock++;
+ io_channel_set_blksize(io, blocksize);
+ if (io_channel_read_blk(io, superblock,
+ -SUPERBLOCK_SIZE, buf))
+ continue;
+#ifdef WORDS_BIGENDIAN
+ if (sb->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC))
+ ext2fs_swap_super(sb);
+#endif
+ if ((sb->s_magic == EXT2_SUPER_MAGIC) &&
+ (EXT2_BLOCK_SIZE(sb) == blocksize)) {
+ ret_sb = superblock;
+ if (ctx) {
+ ctx->superblock = superblock;
+ ctx->blocksize = blocksize;
+ }
+ break;
+ }
+ }
+
+cleanup:
+ if (io)
+ io_channel_close(io);
+ if (buf)
+ ext2fs_free_mem(&buf);
+ return (ret_sb);
+}
+
+/*
+ * Given a mode, return the ext2 file type
+ */
+int ext2_file_type(unsigned int mode)
{
- if (!fs || !fs->super)
- return 8193;
- return fs->super->s_blocks_per_group + 1;
+ if (LINUX_S_ISREG(mode))
+ return EXT2_FT_REG_FILE;
+
+ if (LINUX_S_ISDIR(mode))
+ return EXT2_FT_DIR;
+
+ if (LINUX_S_ISCHR(mode))
+ return EXT2_FT_CHRDEV;
+
+ if (LINUX_S_ISBLK(mode))
+ return EXT2_FT_BLKDEV;
+
+ if (LINUX_S_ISLNK(mode))
+ return EXT2_FT_SYMLINK;
+
+ if (LINUX_S_ISFIFO(mode))
+ return EXT2_FT_FIFO;
+
+ if (LINUX_S_ISSOCK(mode))
+ return EXT2_FT_SOCK;
+
+ return 0;
}
+#define STRIDE_LENGTH 8
+/*
+ * Helper function which zeros out _num_ blocks starting at _blk_. In
+ * case of an error, the details of the error is returned via _ret_blk_
+ * and _ret_count_ if they are non-NULL pointers. Returns 0 on
+ * success, and an error code on an error.
+ *
+ * As a special case, if the first argument is NULL, then it will
+ * attempt to free the static zeroizing buffer. (This is to keep
+ * programs that check for memory leaks happy.)
+ */
+errcode_t e2fsck_zero_blocks(ext2_filsys fs, blk_t blk, int num,
+ blk_t *ret_blk, int *ret_count)
+{
+ int j, count, next_update, next_update_incr;
+ static char *buf;
+ errcode_t retval;
+
+ /* If fs is null, clean up the static buffer and return */
+ if (!fs) {
+ if (buf) {
+ free(buf);
+ buf = 0;
+ }
+ return 0;
+ }
+ /* Allocate the zeroizing buffer if necessary */
+ if (!buf) {
+ buf = malloc(fs->blocksize * STRIDE_LENGTH);
+ if (!buf) {
+ com_err("malloc", ENOMEM,
+ _("while allocating zeroizing buffer"));
+ exit(1);
+ }
+ memset(buf, 0, fs->blocksize * STRIDE_LENGTH);
+ }
+ /* OK, do the write loop */
+ next_update = 0;
+ next_update_incr = num / 100;
+ if (next_update_incr < 1)
+ next_update_incr = 1;
+ for (j = 0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
+ count = num - j;
+ if (count > STRIDE_LENGTH)
+ count = STRIDE_LENGTH;
+ retval = io_channel_write_blk(fs->io, blk, count, buf);
+ if (retval) {
+ if (ret_count)
+ *ret_count = count;
+ if (ret_blk)
+ *ret_blk = blk;
+ return retval;
+ }
+ }
+ return 0;
+}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff