forked from KolibriOS/kolibrios
71 lines
2.6 KiB
C
71 lines
2.6 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 <stdio.h>
|
|
#include <string.h>
|
|
#include "rtdata.h"
|
|
#include "nextftok.h"
|
|
#include "setbits.h"
|
|
|
|
|
|
_WCRTLINK char _WCFAR *_fstrtok( char _WCFAR *str, const char _WCFAR *charset )
|
|
{
|
|
unsigned /*char*/ tc;
|
|
unsigned char vector[32];
|
|
unsigned char _WCFAR *p1;
|
|
|
|
_INITNEXTFTOK
|
|
if( str == NULL ) {
|
|
str = _RWD_nextftok; /* use previous value */
|
|
if( str == NULL ) return( NULL );
|
|
}
|
|
__fsetbits( vector, charset );
|
|
for( ; tc = (unsigned char) *str; ++str ) {
|
|
/* quit if we find any char not in charset */
|
|
if( ( vector[ tc >> 3 ] & _Bits[ tc & 0x07 ] ) == 0 ) break;
|
|
}
|
|
if( tc == '\0' ) return( NULL );
|
|
p1 = str;
|
|
for( ; tc = *p1; ++p1 ) {
|
|
/* quit when we find any char in charset */
|
|
if( ( vector[ tc >> 3 ] & _Bits[ tc & 0x07 ] ) != 0 ) {
|
|
*p1 = '\0'; /* terminate the token */
|
|
p1++; /* start of next token */
|
|
_RWD_nextftok = p1;
|
|
return( str );
|
|
}
|
|
}
|
|
_RWD_nextftok = NULL;
|
|
return( str );
|
|
}
|