1*7802dc57SToomas Soome /*-
2*7802dc57SToomas Soome * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*7802dc57SToomas Soome *
4*7802dc57SToomas Soome * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
5*7802dc57SToomas Soome * All rights reserved.
6*7802dc57SToomas Soome *
7*7802dc57SToomas Soome * Redistribution and use in source and binary forms, with or without
8*7802dc57SToomas Soome * modification, are permitted provided that the following conditions
9*7802dc57SToomas Soome * are met:
10*7802dc57SToomas Soome * 1. Redistributions of source code must retain the above copyright
11*7802dc57SToomas Soome * notice, this list of conditions and the following disclaimer.
12*7802dc57SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
13*7802dc57SToomas Soome * notice, this list of conditions and the following disclaimer in the
14*7802dc57SToomas Soome * documentation and/or other materials provided with the distribution.
15*7802dc57SToomas Soome *
16*7802dc57SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*7802dc57SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*7802dc57SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*7802dc57SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*7802dc57SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*7802dc57SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*7802dc57SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*7802dc57SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*7802dc57SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*7802dc57SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*7802dc57SToomas Soome * SUCH DAMAGE.
27*7802dc57SToomas Soome */
28*7802dc57SToomas Soome
29*7802dc57SToomas Soome #include <sys/cdefs.h>
30*7802dc57SToomas Soome
31*7802dc57SToomas Soome #include <string.h>
32*7802dc57SToomas Soome
33*7802dc57SToomas Soome size_t
strnlen(const char * s,size_t maxlen)34*7802dc57SToomas Soome strnlen(const char *s, size_t maxlen)
35*7802dc57SToomas Soome {
36*7802dc57SToomas Soome size_t len;
37*7802dc57SToomas Soome
38*7802dc57SToomas Soome for (len = 0; len < maxlen; len++, s++) {
39*7802dc57SToomas Soome if (*s == '\0')
40*7802dc57SToomas Soome break;
41*7802dc57SToomas Soome }
42*7802dc57SToomas Soome return (len);
43*7802dc57SToomas Soome }
44