source: mainline/uspace/lib/ext4/libext4_hash.h@ a872fc09

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a872fc09 was 246a5af, checked in by Frantisek Princ <frantisek.princ@…>, 14 years ago

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1/*
2 * Copyright (c) 2011 Frantisek Princ
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libext4
30 * @{
31 */
32
33#ifndef LIBEXT4_LIBEXT4_HASH_H_
34#define LIBEXT4_LIBEXT4_HASH_H_
35
36#include <sys/types.h>
37
38#define EXT4_HASH_VERSION_LEGACY 0
39#define EXT4_HASH_VERSION_HALF_MD4 1
40#define EXT4_HASH_VERSION_TEA 2
41#define EXT4_HASH_VERSION_LEGACY_UNSIGNED 3
42#define EXT4_HASH_VERSION_HALF_MD4_UNSIGNED 4
43#define EXT4_HASH_VERSION_TEA_UNSIGNED 5
44
45typedef struct ext4_hash_info {
46 uint32_t hash;
47 uint32_t minor_hash;
48 uint32_t hash_version;
49 uint32_t *seed;
50} ext4_hash_info_t;
51
52extern int ext4_hash_string(ext4_hash_info_t *, int, const char *);
53
54#endif
55
56/**
57 * @}
58 */
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