1/*
2 * Copyright (c) 2014 Grzegorz Kostka (kostka.grzegorz@gmail.com)
3 * All rights reserved.
4 *
5 * Based on FreeBSD.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * - The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/** @addtogroup lwext4
32 * @{
33 */
34/**
35 * @file ext4_crc32.h
36 * @brief Crc32c routine. Taken from FreeBSD kernel.
37 */
38
39#ifndef LWEXT4_EXT4_CRC32C_H_
40#define LWEXT4_EXT4_CRC32C_H_
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
46#include <ext4_config.h>
47
48#include <stdint.h>
49
50/**@brief CRC32 algorithm.
51 * @param crc input feed
52 * @param buf input buffer
53 * @param size input buffer length (bytes)
54 * @return updated crc32 value*/
55uint32_t ext4_crc32(uint32_t crc, const void *buf, uint32_t size);
56
57/**@brief CRC32C algorithm.
58 * @param crc input feed
59 * @param buf input buffer
60 * @param size input buffer length (bytes)
61 * @return updated crc32c value*/
62uint32_t ext4_crc32c(uint32_t crc, const void *buf, uint32_t size);
63
64#ifdef __cplusplus
65}
66#endif
67
68#endif /* LWEXT4_EXT4_CRC32C_H_ */
69
70/**
71 * @}
72 */
73