1 #include "config.h"
2
3 #if HAVE_STRNDUP
4
5 int dummy;
6
7 #else
8
9 /* Id: compat_strndup.c,v 1.1 2018/02/27 11:16:23 schwarze Exp */
10 /* OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp */
11 /*
12 * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
13 *
14 * Permission to use, copy, modify, and distribute this software for any
15 * purpose with or without fee is hereby granted, provided that the above
16 * copyright notice and this permission notice appear in all copies.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
19 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
21 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
22 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
23 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
24 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 */
26
27 #include <sys/types.h>
28
29 #include <stdlib.h>
30 #include <string.h>
31
32 char *
strndup(const char * str,size_t maxlen)33 strndup(const char *str, size_t maxlen)
34 {
35 char *copy;
36 size_t len;
37
38 for (len = 0; len < maxlen && str[len] != '\0'; len++)
39 continue;
40
41 copy = malloc(len + 1);
42 if (copy != NULL) {
43 (void)memcpy(copy, str, len);
44 copy[len] = '\0';
45 }
46
47 return copy;
48 }
49
50 #endif
51