/**************************************************************************** * * 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 }