1239844Sdes/* $OpenBSD: strnlen.c,v 1.3 2010/06/02 12:58:12 millert Exp $ */ 2239844Sdes 3239844Sdes/* 4239844Sdes * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com> 5239844Sdes * 6239844Sdes * Permission to use, copy, modify, and distribute this software for any 7239844Sdes * purpose with or without fee is hereby granted, provided that the above 8239844Sdes * copyright notice and this permission notice appear in all copies. 9239844Sdes * 10239844Sdes * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11239844Sdes * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12239844Sdes * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13239844Sdes * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14239844Sdes * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15239844Sdes * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16239844Sdes * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17239844Sdes */ 18239844Sdes 19239844Sdes/* OPENBSD ORIGINAL: lib/libc/string/strnlen.c */ 20239844Sdes 21239844Sdes#include "config.h" 22239844Sdes#ifndef HAVE_STRNLEN 23239844Sdes#include <sys/types.h> 24239844Sdes 25239844Sdes#include <string.h> 26239844Sdes 27239844Sdessize_t 28239844Sdesstrnlen(const char *str, size_t maxlen) 29239844Sdes{ 30239844Sdes const char *cp; 31239844Sdes 32239844Sdes for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) 33239844Sdes ; 34239844Sdes 35239844Sdes return (size_t)(cp - str); 36239844Sdes} 37239844Sdes#endif 38