X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flchown.c;h=8cf10dd0c2e6ee82e2da61a6d9492d609655ee07;hb=b472b51e158594a679f8e49eea49cf14d1c3be9a;hp=0b74eac8a95f6d573e69f15c7de6fe54878e58a5;hpb=222b0486b7db1b09293e05512873d633440efcb3;p=gnulib.git
diff --git a/lib/lchown.c b/lib/lchown.c
index 0b74eac8a..8cf10dd0c 100644
--- a/lib/lchown.c
+++ b/lib/lchown.c
@@ -1,10 +1,12 @@
/* Provide a stub lchown function for systems that lack it.
- Copyright (C) 1998, 1999, 2002, 2004 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ Copyright (C) 1998, 1999, 2002, 2004, 2006, 2007, 2009 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,25 +14,21 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
/* written by Jim Meyering */
-#ifdef HAVE_CONFIG_H
-# include
+#include
+
+/* If the system chown does not follow symlinks, we don't want it
+ replaced by gnulib's chown, which does follow symlinks. */
+#if CHOWN_MODIFIES_SYMLINK
+# define REPLACE_CHOWN 0
#endif
+#include
-#include
-#include
#include
-
-#include "lchown.h"
-#include "stat-macros.h"
-
-/* Declare chown to avoid a warning. Don't include unistd.h,
- because it may have a conflicting prototype for lchown. */
-int chown ();
+#include
/* Work just like chown, except when FILE is a symbolic link.
In that case, set errno to EOPNOTSUPP and return -1.
@@ -40,7 +38,8 @@ int chown ();
int
lchown (const char *file, uid_t uid, gid_t gid)
{
-#if ! CHOWN_MODIFIES_SYMLINK
+#if HAVE_CHOWN
+# if ! CHOWN_MODIFIES_SYMLINK
struct stat stats;
if (lstat (file, &stats) == 0 && S_ISLNK (stats.st_mode))
@@ -48,7 +47,12 @@ lchown (const char *file, uid_t uid, gid_t gid)
errno = EOPNOTSUPP;
return -1;
}
-#endif
+# endif
return chown (file, uid, gid);
+
+#else /* !HAVE_CHOWN */
+ errno = ENOSYS;
+ return -1;
+#endif
}