Replace legacy make with bmake
[dragonfly.git] / lib / libc / citrus / citrus_db_file.h
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1/* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */
2/* $DragonFly: src/lib/libc/citrus/citrus_db_file.h,v 1.2 2008/04/10 10:21:01 hasso Exp $ */
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3
4
5/*-
6 * Copyright (c)2003 Citrus Project,
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef _CITRUS_DB_FILE_H_
32#define _CITRUS_DB_FILE_H_
33
34/*
35 * db format:
36 * +---
37 * | header
38 * | - magic
39 * | - num entries
40 * +---
41 * | entry directory
42 * | +------------
43 * | | entry0
44 * | | - hash value
45 * | | - next entry
46 * | | - key offset
47 * | | - key len
48 * | | - data offset
49 * | | - data size
50 * | |---
51 * | | entry1
52 * | | ..
53 * | | entryN
54 * | +---
55 * +---
56 * | key table
57 * | - key0
58 * | ...
59 * | - keyN
60 * +---
61 * | data table
62 * | - data0
63 * | ...
64 * | - dataN
65 * +---
66 */
67
68#define _CITRUS_DB_MAGIC_SIZE 8
69#define _CITRUS_DB_HEADER_SIZE 16
70struct _citrus_db_header_x {
71 char dhx_magic[_CITRUS_DB_MAGIC_SIZE];
72 uint32_t dhx_num_entries;
73 uint32_t dhx_entry_offset;
74} __attribute__((__packed__));
75
76struct _citrus_db_entry_x {
77 uint32_t dex_hash_value;
78 uint32_t dex_next_offset;
79 uint32_t dex_key_offset;
80 uint32_t dex_key_size;
81 uint32_t dex_data_offset;
82 uint32_t dex_data_size;
83} __attribute__((__packed__));
84#define _CITRUS_DB_ENTRY_SIZE 24
85
86#endif