genericopenlibs/openenvcore/libc/src/string/wcscmp.c
changeset 0 e4d67989cc36
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     1 /*-
       
     2  * © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
       
     3  * 
       
     4  * Copyright (c) 1990, 1993
       
     5  *	The Regents of the University of California.  All rights reserved.
       
     6  *
       
     7  * This code is derived from software contributed to Berkeley by
       
     8  * Chris Torek.
       
     9  *
       
    10  * Redistribution and use in source and binary forms, with or without
       
    11  * modification, are permitted provided that the following conditions
       
    12  * are met:
       
    13  * 1. Redistributions of source code must retain the above copyright
       
    14  *    notice, this list of conditions and the following disclaimer.
       
    15  * 2. Redistributions in binary form must reproduce the above copyright
       
    16  *    notice, this list of conditions and the following disclaimer in the
       
    17  *    documentation and/or other materials provided with the distribution.
       
    18  * 4. Neither the name of the University nor the names of its contributors
       
    19  *    may be used to endorse or promote products derived from this software
       
    20  *    without specific prior written permission.
       
    21  *
       
    22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
       
    23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       
    25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
       
    26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
       
    27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
       
    28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
       
    30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
       
    31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
       
    32  * SUCH DAMAGE.
       
    33  */
       
    34 
       
    35 #include <sys/cdefs.h>
       
    36 #if defined(LIBC_SCCS) && !defined(lint)
       
    37 static char sccsid[] = "@(#)strcmp.c	8.1 (Berkeley) 6/4/93";
       
    38 __RCSID("$NetBSD: wcscmp.c,v 1.3 2001/01/05 12:13:12 itojun Exp $");
       
    39 #endif /* LIBC_SCCS and not lint */
       
    40 __FBSDID("$FreeBSD: src/lib/libc/string/wcscmp.c,v 1.7 2002/10/23 11:08:40 tjr Exp $");
       
    41 
       
    42 #include <wchar.h>
       
    43 
       
    44 /*
       
    45  * Compare strings.
       
    46  */
       
    47 EXPORT_C int
       
    48 wcscmp(s1, s2)
       
    49 	const wchar_t *s1, *s2;
       
    50 {
       
    51 
       
    52 	while (*s1 == *s2++)
       
    53 		if (*s1++ == 0)
       
    54 			return (0);
       
    55 	/* XXX assumes wchar_t = int */
       
    56 #ifndef __SYMBIAN32__
       
    57 	return (*(const unsigned int *)s1 - *(const unsigned int *)--s2);
       
    58 #else //__SYMBIAN32__
       
    59 	return (*(const unsigned short int *)s1 - *(const unsigned short int *)--s2);
       
    60 #endif //__SYMBIAN32__
       
    61 }