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, 10 insertions, 2 deletions

diff --git a/sysdeps/mach/hurd/fstatat64.c b/sysdeps/mach/hurd/fstatat64.c
index 56c1291b77..ca60ba43c4 100644
--- a/sysdeps/mach/hurd/fstatat64.c
+++ b/sysdeps/mach/hurd/fstatat64.c
@@ -23,14 +23,16 @@
 #include <hurd.h>
 #include <hurd/fd.h>
 
+#include <fstatat_common.h>
+
 /* Get information about the file descriptor FD in BUF.  */
 int
-__fstatat64 (int fd, const char *filename, struct stat64 *buf, int flag)
+__fstatat64_common (int fd, const char *filename, struct stat64 *buf, int at_flags, int flags)
 {
   error_t err;
   io_t port;
 
-  port = __file_name_lookup_at (fd, flag, filename, 0, 0);
+  port = __file_name_lookup_at (fd, at_flags, filename, flags, 0);
   if (port == MACH_PORT_NULL)
     return -1;
 
@@ -39,5 +41,11 @@ __fstatat64 (int fd, const char *filename, struct stat64 *buf, int flag)
 
   return __hurd_fail (err);
 }
+
+int
+__fstatat64 (int fd, const char *filename, struct stat64 *buf, int at_flags)
+{
+  return __fstatat64_common (fd, filename, buf, at_flags, 0);
+}
 libc_hidden_def (__fstatat64)
 weak_alias (__fstatat64, fstatat64)