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authorFlorian Weimer <fweimer@redhat.com>2020-01-22 18:56:04 +0100
committerFlorian Weimer <fweimer@redhat.com>2020-02-12 08:43:59 +0100
commit6b89c385d8bd0700b25bac2c2d0bebe68d5cc05d (patch)
tree9daf6ad81d41930593a0ed2a3c027d52a9bcf05d /io
parent6c80c6e8767b860a5e18e136d04a80be2a8dce15 (diff)
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io: Implement lchmod using fchmodat [BZ #14578]
Diffstat (limited to 'io')
-rw-r--r--io/fchmodat.c1
-rw-r--r--io/lchmod.c10
2 files changed, 5 insertions, 6 deletions
diff --git a/io/fchmodat.c b/io/fchmodat.c
index 7f3a07aaa2..78895ac187 100644
--- a/io/fchmodat.c
+++ b/io/fchmodat.c
@@ -42,3 +42,4 @@ fchmodat (int fd, const char *file, mode_t mode, int flag)
   return -1;
 }
 stub_warning (fchmodat)
+libc_hidden_def (fchmodat)
diff --git a/io/lchmod.c b/io/lchmod.c
index 90b33a49f9..8b788034ee 100644
--- a/io/lchmod.c
+++ b/io/lchmod.c
@@ -1,4 +1,4 @@
-/* lchmod -- Change the protections of a file or symbolic link.  Stub version.
+/* lchmod -- Change the protections of a file or symbolic link.  Generic version.
    Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -17,15 +17,13 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <errno.h>
-#include <sys/stat.h>
+#include <fcntl.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 /* Change the protections of FILE to MODE.  */
 int
 lchmod (const char *file, mode_t mode)
 {
-  __set_errno (ENOSYS);
-  return -1;
+  return fchmodat (AT_FDCWD, file, mode, AT_SYMLINK_NOFOLLOW);
 }
-
-stub_warning (lchmod)