#include <limits.h>
#include <stdarg.h>
-#if !defined(__IS_UNUSED) && defined(__GNUC__)
-#define __IS_UNUSED __attribute__ ((unused))
+#include "sysio-cmn.h"
+#include "creds.h"
+
+#if defined(_DIRENT_H) && _DIRENT_H
+/*
+ * Need directory access routines too.
+ */
+#define _DECLARE_DIR_ACCESS 1
#else
-#define __IS_UNUSED
+#define _DECLARE_DIR_ACCESS 0
#endif
#ifndef PATH_SEPARATOR
#define MAX_SYMLINK 250
#endif
-#ifndef _LARGEFILE64_SOURCE
-/*
- * Not glibc I guess. Define this ourselves.
- */
-#define _LARGEFILE64_SOURCE 0
-#endif
-
-/*
- * Define internal file-offset type and it's maximum value.
- */
-#if _LARGEFILE64_SOURCE
-#define _SYSIO_OFF_T off64_t
-#ifdef LLONG_MAX
-#define _SYSIO_OFF_T_MAX (LLONG_MAX)
-#else
-/*
- * Don't have LLONG_MAX before C99. We'll need to define it ourselves.
- */
-#define _SYSIO_OFF_T_MAX (9223372036854775807LL)
-#endif
-#else
-#define _SYSIO_OFF_T off_t
-#define _SYSIO_OFF_T_MAX LONG_MAX
-#endif
-
/*
* Internally, all directory entries are carried in the 64-bit capable
* structure.
*/
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
#define intnl_dirent dirent64
#else
#define intnl_dirent dirent
* Internally, all file status is carried in the 64-bit capable
* structure.
*/
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
#define intnl_stat stat64
#else
#define intnl_stat stat
struct stat;
#ifdef _HAVE_STATVFS
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
#define intnl_statvfs statvfs64
#else
#define intnl_statvfs statvfs
struct intnl_statvfs;
#endif
-/*
- * Internally, all file status is carried in the 64-bit capable
- * structure.
- */
-#if _LARGEFILE64_SOURCE
-#define intnl_xtvec xtvec64
-#else
-#define intnl_xtvec xtvec
-#endif
-struct intnl_xtvec;
-
-struct iovec;
-
struct utimbuf;
struct intnl_stat;
struct pnode;
+#ifdef DEFER_INIT_CWD
+extern const char *_sysio_init_cwd;
+#endif
+
extern struct pnode *_sysio_cwd;
extern mode_t _sysio_umask;
extern int _sysio_init(void);
extern void _sysio_shutdown(void);
-extern int _sysio_boot(const char *buf);
+#ifdef ZERO_SUM_MEMORY
+extern void _sysio_access_shutdown(void);
+#endif
+
+#if 0
+struct _sysio_boot_ctl {
+ const char *onam;
+ const char *oarg;
+};
+#endif
+
+extern int _sysio_boot(const char *opt, const char *arg);
/*
- * SYSIO name label macros
+ * Option-value pair information.
*/
-#define XPREPEND(p,x) p ## x
-#define PREPEND(p,x) XPREPEND(p,x)
-#define SYSIO_LABEL_NAMES 0
-#if SYSIO_LABEL_NAMES
-#define SYSIO_INTERFACE_NAME(x) PREPEND(sysio__, x)
-#else
-#define SYSIO_INTERFACE_NAME(x) x
+struct option_value_info {
+ const char *ovi_name; /* name */
+ char *ovi_value; /* value */
+};
+
+extern const char * _sysio_get_token(const char *buf,
+ int accepts,
+ const char *delim,
+ const char *ignore,
+ char *tbuf);
+extern char * _sysio_get_args(char *buf, struct option_value_info *vec);
+
+#define _SYSIO_LOCAL_TIME() _sysio_local_time()
+
+extern time_t _sysio_local_time(void);
+
+#ifdef SYSIO_TRACING
+extern void _sysio_cprintf(const char *fmt, ...);
#endif
/*
extern int SYSIO_INTERFACE_NAME(dup)(int oldfd);
extern int SYSIO_INTERFACE_NAME(dup2)(int oldfd, int newfd);
extern int SYSIO_INTERFACE_NAME(fcntl)(int fd, int cmd, ...);
+extern int SYSIO_INTERFACE_NAME(fcntl64)(int fd, int cmd, ...);
extern int SYSIO_INTERFACE_NAME(fstat)(int fd, struct stat *buf);
+#ifdef _LARGEFILE64_SOURCE
+extern int SYSIO_INTERFACE_NAME(fstat64)(int fd, struct stat64 *buf);
+extern int SYSIO_INTERFACE_NAME(lstat64)(const char *path, struct stat64 *buf);
+#endif
extern int SYSIO_INTERFACE_NAME(fsync)(int fd);
extern char *SYSIO_INTERFACE_NAME(getcwd)(char *buf, size_t size);
extern off_t SYSIO_INTERFACE_NAME(lseek)(int fd, off_t offset, int whence);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern off64_t SYSIO_INTERFACE_NAME(lseek64)(int fd, off64_t offset,
int whence);
#endif
#else
extern ssize_t SYSIO_INTERFACE_NAME(getdirentries)(int fd, char *buf,
size_t nbytes, off_t *basep);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern ssize_t SYSIO_INTERFACE_NAME(getdirentries64)(int fd,
char *buf,
size_t nbytes,
#endif
extern int SYSIO_INTERFACE_NAME(mkdir)(const char *path, mode_t mode);
extern int SYSIO_INTERFACE_NAME(open)(const char *path, int flag, ...);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(open64)(const char *path, int flag, ...);
#endif
extern int SYSIO_INTERFACE_NAME(creat)(const char *path, mode_t mode);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(creat64)(const char *path, mode_t mode);
#endif
extern int SYSIO_INTERFACE_NAME(stat)(const char *path, struct stat *buf);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(stat64)(const char *path, struct stat64 *buf);
#endif
+extern ssize_t SYSIO_INTERFACE_NAME(read)(int fd, void *buf, size_t count);
+extern ssize_t SYSIO_INTERFACE_NAME(pread)(int fd, void *buf, size_t count,
+ off_t offset);
+extern ssize_t SYSIO_INTERFACE_NAME(readv)(int fd,
+ const struct iovec *iov,
+ int count);
+extern ssize_t SYSIO_INTERFACE_NAME(write)(int fd,
+ const void *buf,
+ size_t count);
+extern ssize_t SYSIO_INTERFACE_NAME(pwrite)(int fd,
+ const void *buf,
+ size_t count,
+ off_t offset);
+extern ssize_t SYSIO_INTERFACE_NAME(writev)(int fd,
+ const struct iovec *iov,
+ int count);
#ifdef _HAVE_STATVFS
extern int SYSIO_INTERFACE_NAME(statvfs)(const char *path, struct statvfs *buf);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(statvfs64)(const char *path,
struct statvfs64 *buf);
#endif
extern int SYSIO_INTERFACE_NAME(fstatvfs)(int fd, struct statvfs *buf);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(fstatvfs64)(int fd, struct statvfs64 *buf);
#endif
#endif
extern int SYSIO_INTERFACE_NAME(truncate)(const char *path, off_t length);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(truncate64)(const char *path, off64_t length);
#endif
extern int SYSIO_INTERFACE_NAME(ftruncate)(int fd, off_t length);
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
extern int SYSIO_INTERFACE_NAME(ftruncate64)(int fd, off64_t length);
#endif
extern int SYSIO_INTERFACE_NAME(rmdir)(const char *path);
extern int SYSIO_INTERFACE_NAME(symlink)(const char *path1, const char *path2);
+#ifdef HAVE_POSIX_1003_READLINK
+extern ssize_t SYSIO_INTERFACE_NAME(readlink)(const char *path,
+#else
extern int SYSIO_INTERFACE_NAME(readlink)(const char *path,
+#endif
char *buf,
size_t bufsiz);
extern int SYSIO_INTERFACE_NAME(link)(const char *oldpath, const char *newpath);
unsigned long mountflags,
const void *data);
extern int SYSIO_INTERFACE_NAME(umount)(const char *target);
+#if _DECLARE_DIR_ACCESS
+extern DIR *SYSIO_INTERFACE_NAME(opendir)(const char *name);
+extern int SYSIO_INTERFACE_NAME(closedir)(DIR *dir);
+extern struct dirent *SYSIO_INTERFACE_NAME(readdir)(DIR *dir);
-/* for debugging */
-#if 0
-#define ASSERT(cond) \
- if (!(cond)) { \
- printf("ASSERTION(" #cond ") failed: " __FILE__ ":" \
- __FUNCTION__ ":%d\n", __LINE__); \
- abort(); \
- }
-
-#define ERROR(fmt, a...) \
- do { \
- printf("ERROR(" __FILE__ ":%d):" fmt, __LINE__, ##a); \
- while(0)
-
+extern int SYSIO_INTERFACE_NAME(scandir)(const char *dir,
+ struct dirent ***namelist,
+ int(*filter)(const struct dirent *),
+#ifdef HAVE_POSIX2008_SCANDIR
+ int(*compar)(const struct dirent **,
+ const struct dirent **)
#else
-#define ERROR(fmt) do{}while(0)
-#define ASSERT do{}while(0)
+ int(*compar)(const void *, const void *)
#endif
-
-/*
- * SYSIO interface frame macros
- *
- * + DISPLAY_BLOCK; Allocates storage on the stack for use by the set of
- * macros.
- * + ENTER; Performs entry point work
- * + RETURN; Returns a value and performs exit point work
- *
- * NB: For RETURN, the arguments are the return value and value for errno.
- * If the value for errno is non-zero then that value, *negated*, is set
- * into errno.
- */
-#define SYSIO_INTERFACE_DISPLAY_BLOCK \
- int _saved_errno;
-#define SYSIO_INTERFACE_ENTER \
- do { \
- _saved_errno = errno; \
- SYSIO_ENTER; \
- } while (0)
-#define SYSIO_INTERFACE_RETURN(rtn, err) \
- do { \
- SYSIO_LEAVE; \
- errno = (err) ? -(err) : _saved_errno; \
- return (rtn); \
- } while(0)
-
-/* syscall enter/leave hook functions */
-#if 0
-extern void _sysio_sysenter();
-extern void _sysio_sysleave();
-
-#define SYSIO_ENTER \
- do { \
- _sysio_sysenter(); \
- } while(0)
-
-#define SYSIO_LEAVE \
- do { \
- _sysio_sysleave(); \
- } while(0)
-#else
-#define SYSIO_ENTER
-#define SYSIO_LEAVE
-
+ );
+#if defined(_BSD_SOURCE) || defined(_SVID_SOURCE)
+extern ssize_t SYSIO_INTERFACE_NAME(getdirentries)(int fd,
+ char *buf,
+ size_t nbytes,
+ off_t *basep);
#endif
+#endif /* _DECLARE_DIR_ACCESS */
-/* accounting for IO stats read and write char count */
-#if defined(REDSTORM)
-#define _SYSIO_UPDACCT(w, cc) \
- do { \
- if ((cc) < 0) \
- break; \
- if (!w) \
- _add_iostats(0, (size_t )(cc)); \
- else \
- _add_iostats((size_t )(cc), 0); \
- } while(0)
-#else
-#define _SYSIO_UPDACCT(w, cc)
-#endif
+#undef _DECLARE_DIR_ACCESS