kolibrios/programs/develop/open watcom/trunk/clib/string/bits.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
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*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
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*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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*    NON-INFRINGEMENT. Please see the License for the specific language
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*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include "variety.h"
#include <string.h>
#include "setbits.h"

const unsigned char _HUGEDATA _Bits[] =
    { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };

void __setbits( unsigned char vector[32], const char *charset )
{
    unsigned char c;

    memset( vector, 0, 32 );
    for( ; c = *charset; ++charset ) {
        vector[ c >> 3 ] |= _Bits[ c & 0x07 ];
    }
}