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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2022-09-17 19:47:57 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2022-09-17 19:58:30 +0000
commit7ae60af75b78f408420512c58fd5a08ca7a88bad (patch)
tree51ef7f542c448a0717e69029f1b9dd164933c7bd /include/unistd.h
parent6841aed6c4abde1aa7015348496c86cadc227a1f (diff)
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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.
Diffstat (limited to 'include/unistd.h')
-rw-r--r--include/unistd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h
index af795a37c8..4345d08d60 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -78,6 +78,7 @@ extern int __chown (const char *__file,
 libc_hidden_proto (__chown)
 extern int __fchown (int __fd,
 		     __uid_t __owner, __gid_t __group);
+extern int __fchownat (int __fd, const char *__file, uid_t __owner, gid_t __group, int __flag);
 extern int __lchown (const char *__file, __uid_t __owner,
 		     __gid_t __group);
 extern int __chdir (const char *__path) attribute_hidden;
@@ -148,9 +149,12 @@ libc_hidden_proto (_Fork);
 extern int __isatty (int __fd) attribute_hidden;
 extern int __link (const char *__from, const char *__to);
 extern int __symlink (const char *__from, const char *__to);
+extern int __symlinkat (const char *__from, int __fd, const char *__to);
 extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
      attribute_hidden;
+extern ssize_t __readlinkat (int __fd, const char *__file_name, char *__buf, size_t __len);
 extern int __unlink (const char *__name) attribute_hidden;
+extern int __unlinkat (int __fd, const char *__name, int __flag);
 extern int __gethostname (char *__name, size_t __len) attribute_hidden;
 extern int __revoke (const char *__file);
 extern int __profil (unsigned short int *__sample_buffer, size_t __size,