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
strdup(const char * str)25 char *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