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wcscmp.c revision 1.5.38.1 
      1  1.5.38.1       snj /*	$NetBSD: wcscmp.c,v 1.5.38.1 2009/01/15 03:24:08 snj Exp $	*/
      2       1.1    itojun 
      3       1.1    itojun /*-
      4       1.3    itojun  * Copyright (c) 1990, 1993
      5       1.3    itojun  *	The Regents of the University of California.  All rights reserved.
      6       1.3    itojun  *
      7       1.3    itojun  * This code is derived from software contributed to Berkeley by
      8       1.3    itojun  * Chris Torek.
      9       1.1    itojun  *
     10       1.1    itojun  * Redistribution and use in source and binary forms, with or without
     11       1.1    itojun  * modification, are permitted provided that the following conditions
     12       1.1    itojun  * are met:
     13       1.1    itojun  * 1. Redistributions of source code must retain the above copyright
     14       1.1    itojun  *    notice, this list of conditions and the following disclaimer.
     15       1.1    itojun  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1    itojun  *    notice, this list of conditions and the following disclaimer in the
     17       1.1    itojun  *    documentation and/or other materials provided with the distribution.
     18       1.5       agc  * 3. Neither the name of the University nor the names of its contributors
     19       1.3    itojun  *    may be used to endorse or promote products derived from this software
     20       1.3    itojun  *    without specific prior written permission.
     21       1.1    itojun  *
     22       1.3    itojun  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23       1.1    itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24       1.1    itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25       1.3    itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26       1.1    itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27       1.1    itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28       1.1    itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29       1.1    itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30       1.1    itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31       1.1    itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32       1.1    itojun  * SUCH DAMAGE.
     33       1.1    itojun  */
     34       1.1    itojun 
     35       1.1    itojun #include <sys/cdefs.h>
     36       1.1    itojun #if defined(LIBC_SCCS) && !defined(lint)
     37       1.3    itojun #if 0
     38       1.3    itojun static char sccsid[] = "@(#)strcmp.c	8.1 (Berkeley) 6/4/93";
     39       1.3    itojun #else
     40  1.5.38.1       snj __RCSID("$NetBSD: wcscmp.c,v 1.5.38.1 2009/01/15 03:24:08 snj Exp $");
     41       1.3    itojun #endif
     42       1.1    itojun #endif /* LIBC_SCCS and not lint */
     43       1.1    itojun 
     44       1.2     lukem #include <assert.h>
     45       1.1    itojun #include <wchar.h>
     46  1.5.38.1       snj #include "runetype.h"
     47       1.1    itojun 
     48       1.3    itojun /*
     49       1.3    itojun  * Compare strings.
     50       1.3    itojun  */
     51       1.1    itojun int
     52       1.1    itojun wcscmp(s1, s2)
     53       1.3    itojun 	const wchar_t *s1, *s2;
     54       1.1    itojun {
     55       1.3    itojun 
     56       1.2     lukem 	_DIAGASSERT(s1 != NULL);
     57       1.2     lukem 	_DIAGASSERT(s2 != NULL);
     58       1.2     lukem 
     59       1.3    itojun 	while (*s1 == *s2++)
     60       1.3    itojun 		if (*s1++ == 0)
     61       1.3    itojun 			return (0);
     62       1.3    itojun 	/* XXX assumes wchar_t = int */
     63       1.4  tshiozak 	return (*(const __nbrune_t *)s1 - *(const __nbrune_t *)--s2);
     64       1.1    itojun }
     65