1 /* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 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 70 struct _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 } __packed; 75 76 struct _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 } __packed; 84 #define _CITRUS_DB_ENTRY_SIZE 24 85 86 #endif 87