add curl 7.16.0 to in tree libs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3744 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/curl/lib/strdup.c

@@ -0,0 +1,46 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * $Id: strdup.c,v 1.2 2006-07-17 15:25:37 yangtse Exp $
+ ***************************************************************************/
+
+#include "setup.h"
+#include "strdup.h"
+
+#ifndef HAVE_STRDUP
+char *curlx_strdup(const char *str)
+{
+  int len;
+  char *newstr;
+
+  if (!str)
+    return (char *)NULL;
+
+  len = strlen(str);
+  newstr = (char *) malloc((len+1)*sizeof(char));
+  if (!newstr)
+    return (char *)NULL;
+
+  strcpy(newstr,str);
+
+  return newstr;
+
+}
+#endif