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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: clib/crc32.h $ */
/* */
/* OpenPOWER FFS Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/*! @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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