1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22#include "tool_strdup.h"
23
24#ifndef HAVE_STRDUP
25char *strdup(const char *str)
26{
27  size_t len;
28  char *newstr;
29
30  if(!str)
31    return (char *)NULL;
32
33  len = strlen(str);
34
35  if(len >= ((size_t)-1) / sizeof(char))
36    return (char *)NULL;
37
38  newstr = malloc((len+1)*sizeof(char));
39  if(!newstr)
40    return (char *)NULL;
41
42  memcpy(newstr, str, (len+1)*sizeof(char));
43
44  return newstr;
45
46}
47#endif
48