mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-18 04:43:06 +03:00
79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/****************************************************************************
|
|
*
|
|
* 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: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
|
|
* DESCRIBE IT HERE!
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#include "variety.h"
|
|
#include "widechar.h"
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include "setbits.h"
|
|
|
|
/* The strcspn function computes the length of the initial segment of the
|
|
string pointed to by str which consists entirely of characters not from
|
|
the string pointed to by charset. The terminating NULL character is not
|
|
considered part of charset.
|
|
*/
|
|
|
|
|
|
_WCRTLINK size_t __F_NAME(strcspn,wcscspn) ( const CHAR_TYPE *str, const CHAR_TYPE *charset )
|
|
{
|
|
#if defined(__WIDECHAR__)
|
|
|
|
const CHAR_TYPE *p1;
|
|
const CHAR_TYPE *p2;
|
|
CHAR_TYPE tc1;
|
|
CHAR_TYPE tc2;
|
|
size_t len;
|
|
|
|
len = 0;
|
|
for( p1 = str; tc1 = *p1; p1++, len++ ) {
|
|
for( p2 = charset; tc2 = *p2; p2++ ) {
|
|
if( tc1 == tc2 ) break;
|
|
}
|
|
if( tc2 != NULLCHAR ) break;
|
|
}
|
|
return( len );
|
|
|
|
#else
|
|
unsigned /*char*/ tc;
|
|
unsigned char vector[32];
|
|
size_t len;
|
|
|
|
__setbits( vector, charset );
|
|
len = 0;
|
|
for( ; tc = (unsigned char) *str; ++len, ++str ) {
|
|
/* quit if we find any char in charset */
|
|
if( ( vector[ tc >> 3 ] & _Bits[ tc & 0x07 ] ) != 0 ) break;
|
|
}
|
|
return( len );
|
|
#endif
|
|
}
|