1 /* $FreeBSD: head/lib/libc/iconv/citrus_db_file.h 219019 2011-02-25 00:04:39Z gabor $ */ 2 /* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */ 3 4 /*- 5 * Copyright (c)2003 Citrus Project, 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _CITRUS_DB_FILE_H_ 31 #define _CITRUS_DB_FILE_H_ 32 33 /* 34 * db format: 35 * +--- 36 * | header 37 * | - magic 38 * | - num entries 39 * +--- 40 * | entry directory 41 * | +------------ 42 * | | entry0 43 * | | - hash value 44 * | | - next entry 45 * | | - key offset 46 * | | - key len 47 * | | - data offset 48 * | | - data size 49 * | |--- 50 * | | entry1 51 * | | .. 52 * | | entryN 53 * | +--- 54 * +--- 55 * | key table 56 * | - key0 57 * | ... 58 * | - keyN 59 * +--- 60 * | data table 61 * | - data0 62 * | ... 63 * | - dataN 64 * +--- 65 */ 66 67 #define _CITRUS_DB_MAGIC_SIZE 8 68 #define _CITRUS_DB_HEADER_SIZE 16 69 struct _citrus_db_header_x { 70 char dhx_magic[_CITRUS_DB_MAGIC_SIZE]; 71 uint32_t dhx_num_entries; 72 uint32_t dhx_entry_offset; 73 } __packed; 74 75 struct _citrus_db_entry_x { 76 uint32_t dex_hash_value; 77 uint32_t dex_next_offset; 78 uint32_t dex_key_offset; 79 uint32_t dex_key_size; 80 uint32_t dex_data_offset; 81 uint32_t dex_data_size; 82 } __packed; 83 #define _CITRUS_DB_ENTRY_SIZE 24 84 85 #endif 86