1/*	$Id: compat_strndup.c,v 1.3 2020/06/15 20:19:39 schwarze Exp $	*/
2/*	$OpenBSD: strndup.c,v 1.3 2019/01/25 00:19:25 millert Exp $	*/
3
4/*
5 * Copyright (c) 2010 Todd C. Miller <millert@openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19#include "config.h"
20
21#include <sys/types.h>
22
23#include <stdlib.h>
24#include <string.h>
25
26char *
27strndup(const char *str, size_t maxlen)
28{
29	char *copy;
30	size_t len;
31
32	for (len = 0; len < maxlen && str[len] != '\0'; len++)
33		continue;
34
35	copy = malloc(len + 1);
36	if (copy != NULL) {
37		(void)memcpy(copy, str, len);
38		copy[len] = '\0';
39	}
40
41	return copy;
42}
43