comparison port/strndup.c @ 486:7ee8da32da98

Unify all in modules/
author David Demelier <markand@malikania.fr>
date Fri, 13 Nov 2015 09:26:46 +0100
parents
children
comparison
equal deleted inserted replaced
485:898d8b29a4f1 486:7ee8da32da98
1 /*
2 * strndup.c -- duplicate a string
3 *
4 * Copyright (c) 2011, 2012, 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 strndup(const char *src, size_t len)
25 {
26 size_t tocopy;
27 char *dst;
28
29 for (tocopy = 0; tocopy < len && src[tocopy] != '\0'; ++tocopy)
30 continue;
31
32 if ((dst = calloc(tocopy + 1, 1)) != NULL)
33 strncpy(dst, src, tocopy);
34
35 return dst;
36 }