85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* $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
|