Import upstream version 1.26

[debian/tar] / gnu / fchownat.c

diff --git a/gnu/fchownat.c b/gnu/fchownat.c
index 87c54937a5dd9f96f9657f4033780bc5690355ce..6892fd03d1948399cc037a782e22777ba60bb5e0 100644 (file)
--- a/gnu/fchownat.c
+++ b/gnu/fchownat.c
@@ -6,7 +6,7 @@
    when the buggy fchownat-with-AT_SYMLINK_NOFOLLOW operates on a symlink, it
    mistakenly affects the symlink referent, rather than the symlink itself.
 
-   Copyright (C) 2006-2007, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 2006-2007, 2009-2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -68,15 +68,15 @@
 static int
 local_lchownat (int fd, char const *file, uid_t owner, gid_t group);
 
-# define AT_FUNC_NAME local_lchownat
-# define AT_FUNC_F1 lchown
-# define AT_FUNC_POST_FILE_PARAM_DECLS , uid_t owner, gid_t group
-# define AT_FUNC_POST_FILE_ARGS        , owner, group
-# include "at-func.c"
-# undef AT_FUNC_NAME
-# undef AT_FUNC_F1
-# undef AT_FUNC_POST_FILE_PARAM_DECLS
-# undef AT_FUNC_POST_FILE_ARGS
+#  define AT_FUNC_NAME local_lchownat
+#  define AT_FUNC_F1 lchown
+#  define AT_FUNC_POST_FILE_PARAM_DECLS , uid_t owner, gid_t group
+#  define AT_FUNC_POST_FILE_ARGS        , owner, group
+#  include "at-func.c"
+#  undef AT_FUNC_NAME
+#  undef AT_FUNC_F1
+#  undef AT_FUNC_POST_FILE_PARAM_DECLS
+#  undef AT_FUNC_POST_FILE_ARGS
 
 # endif
 
@@ -90,6 +90,13 @@ rpl_fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag)
   if (flag == AT_SYMLINK_NOFOLLOW)
     return local_lchownat (fd, file, owner, group);
 # endif
+# if FCHOWNAT_EMPTY_FILENAME_BUG
+  if (file[0] == '\0')
+    {
+      errno = ENOENT;
+      return -1;
+    }
+# endif
 # if CHOWN_TRAILING_SLASH_BUG
   {
     size_t len = strlen (file);