659
|
1 /* |
|
2 * strdup.c -- duplicate a string |
|
3 * |
|
4 * Copyright (c) 2011-2019 David Demelier <markand@malikania.fr> |
|
5 * |
|
6 * Permission to use, copy, modify, and/or distribute this software for any |
|
7 * purpose with or without fee is hereby granted, provided that the above |
|
8 * copyright notice and this permission notice appear in all copies. |
|
9 * |
|
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
|
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
|
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
|
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
|
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
|
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
|
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
|
17 */ |
|
18 |
|
19 #include <stdio.h> |
|
20 #include <stdlib.h> |
|
21 #include <string.h> |
|
22 |
|
23 char * |
|
24 strdup(const char *src) |
|
25 { |
|
26 char *dst; |
|
27 size_t len; |
|
28 |
|
29 len = strlen(src); |
|
30 |
|
31 if ((dst = calloc(len + 1, sizeof (char))) == NULL) |
|
32 return NULL; |
|
33 |
|
34 return strcpy(dst, src); |
|
35 } |