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/* $Id: crc32.h,v 1.2 2006/09/09 10:15:05 pefo Exp $ */
/*
* Copyright (c) 2005-2006 Opsycon AB (www.opsycon.se)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef __CRC32_H__
#define __CRC32_H__
u_int crc32_generate(void *, size_t);
u_int crc32_generate_seg(void *, size_t, u_int);
u_int crc32_check(void *, size_t);
/* Helper functions, see build options */
#define CRC32_CHECK_CRC 1
#define CRC32_CHECK_SIG 2
#define CRC32_OK 0
#define CRC32_ERR_FILE -1
#define CRC32_ERR_CRC -2
#define CRC32_ERR_SIG -3
int crc32sig_check(const char *, u_int64_t, int);
#endif /* __CRC32_H__ */