Annotation of mandoc/compat_strndup.c, Revision 1.2
1.2 ! schwarze 1: /* $Id: compat_strndup.c,v 1.1 2018/02/27 11:16:23 schwarze Exp $ */
1.1 schwarze 2: /* OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp */
3: /*
4: * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
5: *
6: * Permission to use, copy, modify, and 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: */
1.2 ! schwarze 18: #include "config.h"
1.1 schwarze 19:
20: #include <sys/types.h>
21:
22: #include <stdlib.h>
23: #include <string.h>
24:
25: char *
26: strndup(const char *str, size_t maxlen)
27: {
28: char *copy;
29: size_t len;
30:
31: for (len = 0; len < maxlen && str[len] != '\0'; len++)
32: continue;
33:
34: copy = malloc(len + 1);
35: if (copy != NULL) {
36: (void)memcpy(copy, str, len);
37: copy[len] = '\0';
38: }
39:
40: return copy;
41: }
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