scanner_cis_bitwise.h

/* 
 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
 * Copyright (C) 2003-2008 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 
 */
#ifndef __PJLIB_UTIL_SCANNER_CIS_BIT_H__
#define __PJLIB_UTIL_SCANNER_CIS_BIT_H__
 
#include <pj/types.h>
 
PJ_BEGIN_DECL
 
#ifndef PJ_CIS_ELEM_TYPE
#   define PJ_CIS_ELEM_TYPE pj_uint32_t
#endif
 
typedef PJ_CIS_ELEM_TYPE pj_cis_elem_t;
 
#define PJ_CIS_MAX_INDEX   (sizeof(pj_cis_elem_t) << 3)
 
typedef struct pj_cis_buf_t
{
    pj_cis_elem_t    cis_buf[256];  
    pj_cis_elem_t    use_mask;      
} pj_cis_buf_t;
 
typedef struct pj_cis_t
{
    pj_cis_elem_t   *cis_buf;       
    int              cis_id;        
} pj_cis_t;
 
 
#define PJ_CIS_SET(cis,c)   ((cis)->cis_buf[(int)(c)] |= (1 << (cis)->cis_id))
 
#define PJ_CIS_CLR(cis,c)   ((cis)->cis_buf[(int)c] &= ~(1 << (cis)->cis_id))
 
#define PJ_CIS_ISSET(cis,c) ((cis)->cis_buf[(int)c] & (1 << (cis)->cis_id))
 
 
 
PJ_END_DECL
 
#endif  /* __PJLIB_UTIL_SCANNER_CIS_BIT_H__ */