hurd: Factorize at/non-at functions

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.

1 files changed, 1 insertions, 14 deletions

diff --git a/sysdeps/mach/hurd/unlink.c b/sysdeps/mach/hurd/unlink.c
index fa6763fca2..fe4761006c 100644
--- a/sysdeps/mach/hurd/unlink.c
+++ b/sysdeps/mach/hurd/unlink.c
@@ -25,20 +25,7 @@
 int
 __unlink (const char *name)
 {
-  error_t err;
-  file_t dir;
-  const char *file;
-
-  dir = __directory_name_split (name, (char **) &file);
-  if (dir == MACH_PORT_NULL)
-    return -1;
-
-  err = __dir_unlink (dir, file);
-  __mach_port_deallocate (__mach_task_self (), dir);
-
-  if (err)
-    return __hurd_fail (err);
-  return 0;
+  return __unlinkat (AT_FDCWD, name, 0);
 }
 
 weak_alias (__unlink, unlink)