ref: 06382010385758c11ab9e643751c88c7e969ca34
dir: /include/ext4_crc32.h/
/* * Copyright (c) 2014 Grzegorz Kostka ([email protected]) * All rights reserved. * * Based on FreeBSD. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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. */ /** @addtogroup lwext4 * @{ */ /** * @file ext4_crc32.h * @brief Crc32c routine. Taken from FreeBSD kernel. */ #ifndef LWEXT4_EXT4_CRC32C_H_ #define LWEXT4_EXT4_CRC32C_H_ #ifdef __cplusplus extern "C" { #endif #include "ext4_config.h" #include <stdint.h> /**@brief CRC32 algorithm. * @param crc input feed * @param buf input buffer * @param size input buffer length (bytes) * @return updated crc32 value*/ uint32_t ext4_crc32(uint32_t crc, const void *buf, uint32_t size); /**@brief CRC32C algorithm. * @param crc input feed * @param buf input buffer * @param length input buffer length (bytes) * @return updated crc32c value*/ uint32_t ext4_crc32c(uint32_t crc, const void *buf, uint32_t size); #ifdef __cplusplus } #endif #endif /* LWEXT4_EXT4_CRC32C_H_ */ /** * @} */