/* 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 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
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 <http://www.gnu.org/licenses/>. */
/* written by Jim Meyering */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
+
+/* 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 <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
#include <errno.h>
+#include <sys/stat.h>
-#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 ();
+/* Some systems don't have EOPNOTSUPP. */
+#ifndef EOPNOTSUPP
+# ifdef ENOTSUP
+# define EOPNOTSUPP ENOTSUP
+# else
+/* Some systems don't have ENOTSUP either. */
+# define EOPNOTSUPP EINVAL
+# endif
+#endif
/* Work just like chown, except when FILE is a symbolic link.
In that case, set errno to EOPNOTSUPP and return -1.