1 files changed, 47 insertions, 0 deletions
diff --git a/lib/lchown.c b/lib/lchown.c
new file mode 100644
index 0000000..fa0826e
--- /dev/null
+++ b/lib/lchown.c
@@ -0,0 +1,47 @@
+/* Provide a stub lchown function for systems that lack it.
+
+   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
+   the Free Software Foundation; either version 2, 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
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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.  */
+
+/* written by Jim Meyering */
+
+#include <config.h>
+
+#include "lchown.h"
+
+#include <sys/stat.h>
+
+/* Work just like chown, except when FILE is a symbolic link.
+   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 = EOPNOTSUPP;
+      return -1;
+    }
+#endif
+
+  return chown (file, uid, gid);
+}