85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
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/* $NetBSD: citrus_db_file.h,v 1.4 2008/02/10 05:58:22 junyoung Exp $ */
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/*-
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* Copyright (c)2003 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _CITRUS_DB_FILE_H_
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#define _CITRUS_DB_FILE_H_
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/*
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* db format:
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* +---
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* | header
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* | - magic
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* | - num entries
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* +---
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* | entry directory
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* | +------------
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* | | entry0
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* | | - hash value
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* | | - next entry
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* | | - key offset
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* | | - key len
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* | | - data offset
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* | | - data size
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* | |---
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* | | entry1
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* | | ..
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* | | entryN
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* | +---
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* +---
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* | key table
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* | - key0
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* | ...
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* | - keyN
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* +---
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* | data table
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* | - data0
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* | ...
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* | - dataN
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* +---
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*/
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#define _CITRUS_DB_MAGIC_SIZE 8
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#define _CITRUS_DB_HEADER_SIZE 16
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struct _citrus_db_header_x {
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char dhx_magic[_CITRUS_DB_MAGIC_SIZE];
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uint32_t dhx_num_entries;
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uint32_t dhx_entry_offset;
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} __packed;
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struct _citrus_db_entry_x {
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uint32_t dex_hash_value;
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uint32_t dex_next_offset;
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uint32_t dex_key_offset;
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uint32_t dex_key_size;
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uint32_t dex_data_offset;
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uint32_t dex_data_size;
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} __packed;
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#define _CITRUS_DB_ENTRY_SIZE 24
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#endif
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