/* Provide a stub lchown function for systems that lack it.
- Copyright (C) 1998 Free Software Foundation, Inc.
+
+ Copyright (C) 1998, 1999, 2002, 2004, 2006 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
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* written by Jim Meyering */
#include <config.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
#include "lchown.h"
+#include <sys/stat.h>
+#include "stat-macros.h"
+
/* Work just like chown, except when FILE is a symbolic link.
- In that case, set errno to ENOSYS and return -1. */
+ In that case, set errno to EOPNOTSUPP and return -1.
+ But if autoconf tests determined that chown modifies
+ symlinks, then just call chown. */
int
lchown (const char *file, uid_t uid, gid_t gid)
{
+#if ! CHOWN_MODIFIES_SYMLINK
struct stat stats;
if (lstat (file, &stats) == 0 && S_ISLNK (stats.st_mode))
{
- errno = ENOSYS;
+ errno = EOPNOTSUPP;
return -1;
}
+#endif
return chown (file, uid, gid);
}