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tools/nolibc: add more stat() variants

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Add fstat(), fstatat() and lstat(). All of them use the existing implementation
based on statx().

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-3-3c043eeab06c@linutronix.de
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
This commit is contained in:
Thomas Weißschuh
2025-04-28 14:40:04 +02:00
committed by Thomas Weißschuh
parent 7a7cd445d9
commit 2337d39f72
1 changed files with 23 additions and 2 deletions
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tools/include/nolibc/sys/stat.h
+23 -2
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@@ -17,6 +17,9 @@
/*
* int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf);
* int stat(const char *path, struct stat *buf);
* int fstatat(int fd, const char *path, struct stat *buf, int flag);
* int fstat(int fildes, struct stat *buf);
* int lstat(const char *path, struct stat *buf);
*/
static __attribute__((unused))
@@ -37,12 +40,12 @@ int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *
static __attribute__((unused))
int stat(const char *path, struct stat *buf)
int fstatat(int fd, const char *path, struct stat *buf, int flag)
{
struct statx statx;
long ret;
ret = __sysret(sys_statx(AT_FDCWD, path, AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &statx));
ret = __sysret(sys_statx(fd, path, flag | AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &statx));
if (ret == -1)
return ret;
@@ -70,4 +73,22 @@ int stat(const char *path, struct stat *buf)
return 0;
}
static __attribute__((unused))
int stat(const char *path, struct stat *buf)
{
return fstatat(AT_FDCWD, path, buf, 0);
}
static __attribute__((unused))
int fstat(int fildes, struct stat *buf)
{
return fstatat(fildes, "", buf, AT_EMPTY_PATH);
}
static __attribute__((unused))
int lstat(const char *path, struct stat *buf)
{
return fstatat(AT_FDCWD, path, buf, AT_SYMLINK_NOFOLLOW);
}
#endif /* _NOLIBC_SYS_STAT_H */