wmemcmp.c revision 86170
176612Stshiozak/*- 276612Stshiozak * Copyright (c)1999 Citrus Project, 376612Stshiozak * All rights reserved. 476612Stshiozak * 576612Stshiozak * Redistribution and use in source and binary forms, with or without 676612Stshiozak * modification, are permitted provided that the following conditions 776612Stshiozak * are met: 876612Stshiozak * 1. Redistributions of source code must retain the above copyright 976612Stshiozak * notice, this list of conditions and the following disclaimer. 1076612Stshiozak * 2. Redistributions in binary form must reproduce the above copyright 1176612Stshiozak * notice, this list of conditions and the following disclaimer in the 1276612Stshiozak * documentation and/or other materials provided with the distribution. 1376612Stshiozak * 1476612Stshiozak * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1576612Stshiozak * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1676612Stshiozak * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1776612Stshiozak * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1876612Stshiozak * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1976612Stshiozak * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2076612Stshiozak * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2176612Stshiozak * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2276612Stshiozak * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2376612Stshiozak * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2476612Stshiozak * SUCH DAMAGE. 2576612Stshiozak * 2676612Stshiozak * citrus Id: wmemcmp.c,v 1.2 2000/12/20 14:08:31 itojun Exp 2776612Stshiozak */ 2876612Stshiozak 2976612Stshiozak#include <sys/cdefs.h> 3076612Stshiozak#if defined(LIBC_SCCS) && !defined(lint) 3176612Stshiozak__RCSID("$NetBSD: wmemcmp.c,v 1.1 2000/12/23 23:14:37 itojun Exp $"); 3276612Stshiozak#endif /* LIBC_SCCS and not lint */ 3386170Sobrien__FBSDID("$FreeBSD: head/lib/libc/string/wmemcmp.c 86170 2001-11-07 19:55:16Z obrien $"); 3476612Stshiozak 3576612Stshiozak#include <assert.h> 3676612Stshiozak#include <wchar.h> 3776612Stshiozak 3876612Stshiozakint 3976612Stshiozakwmemcmp(s1, s2, n) 4076612Stshiozak const wchar_t *s1; 4176612Stshiozak const wchar_t *s2; 4276612Stshiozak size_t n; 4376612Stshiozak{ 4476612Stshiozak size_t i; 4576612Stshiozak 4676612Stshiozak for (i = 0; i < n; i++) { 4776612Stshiozak if (*s1 != *s2) { 4876612Stshiozak /* wchar might be unsigned */ 4976612Stshiozak return *s1 > *s2 ? 1 : -1; 5076612Stshiozak } 5176612Stshiozak s1++; 5276612Stshiozak s2++; 5376612Stshiozak } 5476612Stshiozak return 0; 5576612Stshiozak} 56