Initial code drop of version 0.153

Change-Id: I97d4765497db839471de6b10aa612bfaca110297
diff --git a/0.153/lib/xstrdup.c b/0.153/lib/xstrdup.c
new file mode 100644
index 0000000..c4e7a52
--- /dev/null
+++ b/0.153/lib/xstrdup.c
@@ -0,0 +1,40 @@
+/* Convenience function for string allocation.
+   Copyright (C) 2006 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
+
+   Red Hat elfutils 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; version 2 of the License.
+
+   Red Hat elfutils 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 Red Hat elfutils; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+   Red Hat elfutils is an included package of the Open Invention Network.
+   An included package of the Open Invention Network is a package for which
+   Open Invention Network licensees cross-license their patents.  No patent
+   license is granted, either expressly or impliedly, by designation as an
+   included package.  Should you wish to participate in the Open Invention
+   Network licensing program, please visit www.openinventionnetwork.com
+   <http://www.openinventionnetwork.com>.  */
+
+#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);
+}