auto import from //depot/cupcake/@135843
diff --git a/lib/xstrdup.c b/lib/xstrdup.c
new file mode 100644
index 0000000..ad70a63
--- /dev/null
+++ b/lib/xstrdup.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+
+ This program is Open Source software; you can redistribute it and/or
+ modify it under the terms of the Open Software License version 1.0 as
+ published by the Open Source Initiative.
+
+ You should have received a copy of the Open Software License along
+ with this program; if not, you may obtain a copy of the Open Software
+ License version 1.0 from http://www.opensource.org/licenses/osl.php or
+ by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+ 3001 King Ranch Road, Ukiah, CA 95482. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include "system.h"
+
+
+/* Return a newly allocated copy of STRING. */
+char *
+xstrdup (string)
+ const char *string;
+{
+ return strcpy (xmalloc (strlen (string) + 1), string);
+}