crc32.h

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/* 
 * 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_CRC32_H__
#define __PJLIB_UTIL_CRC32_H__
 
#include <pjlib-util/types.h>
 
PJ_BEGIN_DECL
 
typedef struct pj_crc32_context
{
    pj_uint32_t crc_state;      
} pj_crc32_context;
 
 
PJ_DECL(void) pj_crc32_init(pj_crc32_context *ctx);
 
PJ_DECL(pj_uint32_t) pj_crc32_update(pj_crc32_context *ctx, 
                                     const pj_uint8_t *data,
                                     pj_size_t nbytes);
 
PJ_DECL(pj_uint32_t) pj_crc32_final(pj_crc32_context *ctx);
 
PJ_DECL(pj_uint32_t) pj_crc32_calc(const pj_uint8_t *data,
                                   pj_size_t nbytes);
 
 
PJ_END_DECL
 
 
#endif  /* __PJLIB_UTIL_CRC32_H__ */