72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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* Copyright (c) 2014 Grzegorz Kostka (kostka.grzegorz@gmail.com)
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* All rights reserved.
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*
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* Based on FreeBSD.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** @addtogroup lwext4
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* @{
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*/
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/**
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* @file ext4_crc32.h
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* @brief Crc32c routine. Taken from FreeBSD kernel.
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*/
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#ifndef LWEXT4_EXT4_CRC32C_H_
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#define LWEXT4_EXT4_CRC32C_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <ext4_config.h>
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#include <stdint.h>
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/**@brief CRC32 algorithm.
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* @param crc input feed
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* @param buf input buffer
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* @param size input buffer length (bytes)
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* @return updated crc32 value*/
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uint32_t ext4_crc32(uint32_t crc, const void *buf, uint32_t size);
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/**@brief CRC32C algorithm.
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* @param crc input feed
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* @param buf input buffer
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* @param size input buffer length (bytes)
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* @return updated crc32c value*/
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uint32_t ext4_crc32c(uint32_t crc, const void *buf, uint32_t size);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWEXT4_EXT4_CRC32C_H_ */
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/**
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* @}
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*/
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