GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/string/strndup.c Lines: 0 6 0.0 %
Date: 2017-11-13 Branches: 0 2 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $	*/
2
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
 */
18
19
#include <sys/types.h>
20
21
#include <stddef.h>
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
	len = strnlen(str, maxlen);
32
	copy = malloc(len + 1);
33
	if (copy != NULL) {
34
		(void)memcpy(copy, str, len);
35
		copy[len] = '\0';
36
	}
37
38
	return copy;
39
}
40
DEF_WEAK(strndup);