/****************************************************************************
*
* 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 memchr() and wmemchr().
*
****************************************************************************/
#include "variety.h"
#include "widechar.h"
#include <string.h>
#include <wchar.h>
#include "xstring.h"
/* locate the first occurrence of c in the initial n characters of the
object pointed to by s.
If the character c is not found, NULL is returned.
*/
_WCRTLINK VOID_WC_TYPE
*__F_NAME
(memchr,wmemchr)( const VOID_WC_TYPE
*s
, INT_WC_TYPE c
, size_t n
){
#if defined(__INLINE_FUNCTIONS__) && !defined(__WIDECHAR__) && defined(_M_IX86)
return( _inline_memchr( s, c, n ) );
#else
const CHAR_TYPE *cs = s;
while( n ) {
if( *cs == c ) {
return( (VOID_WC_TYPE *)cs );
}
++cs;
--n;
}
return( NULL );
#endif
}