/* $Id: scanner_cis_bitwise.c 974 2007-02-19 01:13:53Z bennylp $ *//*  * Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  *//* * THIS FILE IS INCLUDED BY scanner.c. * DO NOT COMPILE THIS FILE ALONE! */PJ_DEF(void) pj_cis_buf_init( pj_cis_buf_t *cis_buf){    pj_bzero(cis_buf->cis_buf, sizeof(cis_buf->cis_buf));    cis_buf->use_mask = 0;}PJ_DEF(pj_status_t) pj_cis_init(pj_cis_buf_t *cis_buf, pj_cis_t *cis){    unsigned i;    cis->cis_buf = cis_buf->cis_buf;    for (i=0; i<PJ_CIS_MAX_INDEX; ++i) {        if ((cis_buf->use_mask & (1 << i)) == 0) {            cis->cis_id = i;	    cis_buf->use_mask |= (1 << i);            return PJ_SUCCESS;        }    }    cis->cis_id = PJ_CIS_MAX_INDEX;    return PJ_ETOOMANY;}PJ_DEF(pj_status_t) pj_cis_dup( pj_cis_t *new_cis, pj_cis_t *existing){    pj_status_t status;    unsigned i;    /* Warning: typecasting here! */    status = pj_cis_init((pj_cis_buf_t*)existing->cis_buf, new_cis);    if (status != PJ_SUCCESS)        return status;    for (i=0; i<256; ++i) {        if (PJ_CIS_ISSET(existing, i))            PJ_CIS_SET(new_cis, i);        else            PJ_CIS_CLR(new_cis, i);    }    return PJ_SUCCESS;}