kolibrios/programs/develop/open watcom/trunk/clib/memory/memcmp.c

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/****************************************************************************
*
* Open Watcom Project
*
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
* ========================================================================
*
* This file contains Original Code and/or Modifications of Original
* Code as defined in and that are subject to the Sybase Open Watcom
* Public License version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
* provided with the Original Code and Modifications, and is also
* available at www.sybase.com/developer/opensource.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
* NON-INFRINGEMENT. Please see the License for the specific language
* governing rights and limitations under the License.
*
* ========================================================================
*
* Description: Implementation of memcmp() and wmemcmp().
*
****************************************************************************/
#include "variety.h"
#include "widechar.h"
#include <string.h>
#include <wchar.h>
#include "xstring.h"
_WCRTLINK int __F_NAME(memcmp,wmemcmp)( const VOID_WC_TYPE *in_s1, const VOID_WC_TYPE *in_s2, size_t len )
{
#if defined(__INLINE_FUNCTIONS__) && !defined(__WIDECHAR__) && defined(_M_IX86)
return( _inline_memcmp( in_s1, in_s2, len ) );
#else
const CHAR_TYPE *s1 = in_s1;
const CHAR_TYPE *s2 = in_s2;
for( ; len; --len ) {
if( *s1 != *s2 ) {
return( *s1 - *s2 );
}
++s1;
++s2;
}
return( 0 ); /* both operands are equal */
#endif
}