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hurd: Factorize at/non-at functions

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Non-at functions can be implemented by just calling the corresponding at
function with AT_FDCWD and zero at_flags.

In the linkat case, the at behavior is different (O_NOLINK), so this introduces
__linkat_common to pass O_NOLINK as appropriate.

lstat functions can also be implemented with fstatat by adding
__fstatat64_common which takes a flags parameter in addition to the at_flags
parameter,

In the end this factorizes chmod, chown, link, lstat64, mkdir, readlink,
rename, stat64, symlink, unlink, utimes.

This also makes __lstat, __lxstat64, __stat and __xstat64 directly use
__fstatat64_common instead of __lstat64 or __stat64.
This commit is contained in:
Samuel Thibault
2022-09-17 19:47:57 +00:00
parent 6841aed6c4
commit 7ae60af75b
29 changed files with 123 additions and 226 deletions
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2
include/sys/stat.h
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@@ -66,10 +66,12 @@ hidden_proto (__fstatat64_time64);
extern int __chmod (const char *__file, __mode_t __mode);
libc_hidden_proto (__chmod)
extern int __fchmod (int __fd, __mode_t __mode);
extern int __fchmodat (int __fd, const char *__file, mode_t __mode, int __flag);
libc_hidden_proto (fchmodat)
extern __mode_t __umask (__mode_t __mask);
extern int __mkdir (const char *__path, __mode_t __mode);
libc_hidden_proto (__mkdir)
extern int __mkdirat (int __fd, const char *__path, mode_t __mode);
extern int __mknodat (int fd, const char *path, mode_t mode, dev_t dev);
libc_hidden_proto (__mknodat);