90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/** @file
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* IPRT - Extensible Archiver (XAR) format.
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*/
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/*
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* Copyright (C) 2013-2023 Oracle and/or its affiliates.
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*
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* This file is part of VirtualBox base platform packages, as
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* available from https://www.virtualbox.org.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, in version 3 of the
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* License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses>.
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*
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* The contents of this file may alternatively be used under the terms
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* of the Common Development and Distribution License Version 1.0
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* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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* in the VirtualBox distribution, in which case the provisions of the
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* CDDL are applicable instead of those of the GPL.
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*
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* You may elect to license modified versions of this file under the
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* terms and conditions of either the GPL or the CDDL or both.
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*
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* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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*/
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#ifndef IPRT_INCLUDED_formats_xar_h
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#define IPRT_INCLUDED_formats_xar_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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#include <iprt/types.h>
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#include <iprt/assertcompile.h>
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/** @defgroup grp_rt_formats_xar Extensible Archive (XAR) format
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* @ingroup grp_rt_formats
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*
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* @{ */
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#pragma pack(4) /* Misdesigned header, not 8-byte aligned size. */
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typedef struct XARHEADER
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{
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/** The magic number 'xar!' (XAR_HEADER_MAGIC). */
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uint32_t u32Magic;
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/** The size of this header structure. */
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uint16_t cbHeader;
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/** The header version structure. */
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uint16_t uVersion;
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/** The size of the compressed table of content (TOC). */
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uint64_t cbTocCompressed;
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/** The size of the table of context (TOC) when not compressed. */
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uint64_t cbTocUncompressed;
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/** Which cryptographic hash function is used (XAR_HASH_XXX). */
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uint32_t uHashFunction;
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} XARHEADER;
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#pragma pack()
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AssertCompileSize(XARHEADER, 28);
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/** Pointer to a XAR header. */
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typedef XARHEADER *PXARHEADER;
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/** Pointer to a const XAR header. */
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typedef XARHEADER const *PCXARHEADER;
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/** XAR magic value (on disk endian). */
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#define XAR_HEADER_MAGIC RT_H2LE_U32(RT_MAKE_U32_FROM_U8('x', 'a', 'r', '!'))
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/** The current header version value (host endian). */
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#define XAR_HEADER_VERSION 1
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/** @name XAR hashing functions.
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* @{ */
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#define XAR_HASH_NONE 0
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#define XAR_HASH_SHA1 1
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#define XAR_HASH_MD5 2
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#define XAR_HASH_MAX 2
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/** @} */
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/** @} */
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#endif /* !IPRT_INCLUDED_formats_xar_h */
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