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tools/nolibc: add rmdir() support

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a reverse operation of mkdir() is meaningful, add rmdir() here.

required by nolibc-test to remove /proc while CONFIG_PROC_FS is not
enabled.

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Zhangjin Wu 2023-07-08 02:34:21 +08:00 committed by Willy Tarreau
parent f7a419e35b
commit f4191f3d52
1 changed files with 22 additions and 0 deletions
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22
tools/include/nolibc/sys.h
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@ -611,6 +611,28 @@ int mkdir(const char *path, mode_t mode)
return __sysret(sys_mkdir(path, mode));
}
/*
* int rmdir(const char *path);
*/
static __attribute__((unused))
int sys_rmdir(const char *path)
{
#ifdef __NR_rmdir
return my_syscall1(__NR_rmdir, path);
#elif defined(__NR_unlinkat)
return my_syscall3(__NR_unlinkat, AT_FDCWD, path, AT_REMOVEDIR);
#else
return -ENOSYS;
#endif
}
static __attribute__((unused))
int rmdir(const char *path)
{
return __sysret(sys_rmdir(path));
}
/*
* int mknod(const char *path, mode_t mode, dev_t dev);