/* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */

/* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */

/*-
* Copyright (c)2003 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef _CITRUS_DB_FILE_H_
#define _CITRUS_DB_FILE_H_

/*
* db format:
* +---
* | header
* | - magic
* | - num entries
* +---
* | entry directory
* | +------------
* | | entry0
* | | - hash value
* | | - next entry
* | | - key offset
* | | - key len
* | | - data offset
* | | - data size
* | |---
* | | entry1
* | | ..
* | | entryN
* | +---
* +---
* | key table
* | - key0
* | ...
* | - keyN
* +---
* | data table
* | - data0
* | ...
* | - dataN
* +---
*/

#define _CITRUS_DB_MAGIC_SIZE 8
#define _CITRUS_DB_HEADER_SIZE 16
struct _citrus_db_header_x {
char dhx_magic[_CITRUS_DB_MAGIC_SIZE];
uint32_t dhx_num_entries;
uint32_t dhx_entry_offset;
} __packed;

struct _citrus_db_entry_x {
uint32_t dex_hash_value;
uint32_t dex_next_offset;
uint32_t dex_key_offset;
uint32_t dex_key_size;
uint32_t dex_data_offset;
uint32_t dex_data_size;
} __packed;
#define _CITRUS_DB_ENTRY_SIZE 24

#endif