--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/strndup.c	Tue Dec 22 05:31:23 2009 +0000
@@ -0,0 +1,37 @@
+/* A replacement function, for systems that lack strndup.
+
+   Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2005, 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.
+
+   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.  */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <stdlib.h>
+
+char *
+strndup (char const *s, size_t n)
+{
+  size_t len = strnlen (s, n);
+  char *new = malloc (len + 1);
+
+  if (new == NULL)
+    return NULL;
+
+  new[len] = '\0';
+  return memcpy (new, s, len);
+}