citrus_db_file.h revision 219019
1219019Sgabor/* $FreeBSD: head/lib/libc/iconv/citrus_db_file.h 219019 2011-02-25 00:04:39Z gabor $ */ 2219019Sgabor/* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */ 3219019Sgabor 4219019Sgabor/*- 5219019Sgabor * Copyright (c)2003 Citrus Project, 6219019Sgabor * All rights reserved. 7219019Sgabor * 8219019Sgabor * Redistribution and use in source and binary forms, with or without 9219019Sgabor * modification, are permitted provided that the following conditions 10219019Sgabor * are met: 11219019Sgabor * 1. Redistributions of source code must retain the above copyright 12219019Sgabor * notice, this list of conditions and the following disclaimer. 13219019Sgabor * 2. Redistributions in binary form must reproduce the above copyright 14219019Sgabor * notice, this list of conditions and the following disclaimer in the 15219019Sgabor * documentation and/or other materials provided with the distribution. 16219019Sgabor * 17219019Sgabor * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18219019Sgabor * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19219019Sgabor * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20219019Sgabor * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21219019Sgabor * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22219019Sgabor * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23219019Sgabor * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24219019Sgabor * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25219019Sgabor * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26219019Sgabor * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27219019Sgabor * SUCH DAMAGE. 28219019Sgabor */ 29219019Sgabor 30219019Sgabor#ifndef _CITRUS_DB_FILE_H_ 31219019Sgabor#define _CITRUS_DB_FILE_H_ 32219019Sgabor 33219019Sgabor/* 34219019Sgabor * db format: 35219019Sgabor * +--- 36219019Sgabor * | header 37219019Sgabor * | - magic 38219019Sgabor * | - num entries 39219019Sgabor * +--- 40219019Sgabor * | entry directory 41219019Sgabor * | +------------ 42219019Sgabor * | | entry0 43219019Sgabor * | | - hash value 44219019Sgabor * | | - next entry 45219019Sgabor * | | - key offset 46219019Sgabor * | | - key len 47219019Sgabor * | | - data offset 48219019Sgabor * | | - data size 49219019Sgabor * | |--- 50219019Sgabor * | | entry1 51219019Sgabor * | | .. 52219019Sgabor * | | entryN 53219019Sgabor * | +--- 54219019Sgabor * +--- 55219019Sgabor * | key table 56219019Sgabor * | - key0 57219019Sgabor * | ... 58219019Sgabor * | - keyN 59219019Sgabor * +--- 60219019Sgabor * | data table 61219019Sgabor * | - data0 62219019Sgabor * | ... 63219019Sgabor * | - dataN 64219019Sgabor * +--- 65219019Sgabor */ 66219019Sgabor 67219019Sgabor#define _CITRUS_DB_MAGIC_SIZE 8 68219019Sgabor#define _CITRUS_DB_HEADER_SIZE 16 69219019Sgaborstruct _citrus_db_header_x { 70219019Sgabor char dhx_magic[_CITRUS_DB_MAGIC_SIZE]; 71219019Sgabor uint32_t dhx_num_entries; 72219019Sgabor uint32_t dhx_entry_offset; 73219019Sgabor} __packed; 74219019Sgabor 75219019Sgaborstruct _citrus_db_entry_x { 76219019Sgabor uint32_t dex_hash_value; 77219019Sgabor uint32_t dex_next_offset; 78219019Sgabor uint32_t dex_key_offset; 79219019Sgabor uint32_t dex_key_size; 80219019Sgabor uint32_t dex_data_offset; 81219019Sgabor uint32_t dex_data_size; 82219019Sgabor} __packed; 83219019Sgabor#define _CITRUS_DB_ENTRY_SIZE 24 84219019Sgabor 85219019Sgabor#endif 86