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/*
* Copyright (c) International Business Machines Corp., 2014
*
* 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
*/
/*! @file crc32.h
* @brief 32-bit CRC
* @details Gary Brown's CRC32 algorithm for polynomial:
* X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0
* @author Gary Brown
* @date 2010-2011
*/
#ifndef __CRC32_H__
#define __CRC32_H__
#include <stddef.h>
#include <stdint.h>
/*!
* @brief Compute a 32-bit CRC value for an octet
* @param c [in] Input data (octet)
* @param crc [in] Input 32-bit CRC value
* @return 32-bit CRC value
*/
extern uint32_t clib_crc32(unsigned char c, uint32_t crc);
/*!
* @brief Copy bytes from the source reference to the destination reference
* while computing a 32-bit CRC
* @param __dst [in] Destination reference
* @param __src [in] Source reference
* @param __n [in] Number of bytes to copy / compute
* @return 32-bit CRC value
*/
extern uint32_t memcpy32(void *__restrict __dst, const void *__restrict __src,
size_t __n)
/*! @cond */
__THROW __nonnull((2)) /*! @endcond */ ;
#endif /* __CRC32_H__ */
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