/** @file
* IPRT - Extensible Archiver (XAR) format.
*/
/*
* Copyright (C) 2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___iprt_formats_xar_h
#define ___iprt_formats_xar_h
#pragma pack(4) /* Misdesigned header, not 8-byte aligned size. */
typedef struct XARHEADER
{
/** The magic number 'xar!' (XAR_HEADER_MAGIC). */
uint32_t u32Magic;
/** The size of this header structure. */
uint16_t cbHeader;
/** The header version structure. */
uint16_t uVersion;
/** The size of the compressed table of content (TOC). */
uint64_t cbTocCompressed;
/** The size of the table of context (TOC) when not compressed. */
uint64_t cbTocUncompressed;
/** Which cryptographic hash function is used (XAR_HASH_XXX). */
uint32_t uHashFunction;
} XARHEADER;
#pragma pack()
/** Pointer to a XAR header. */
typedef XARHEADER *PXARHEADER;
/** Pointer to a const XAR header. */
typedef XARHEADER const *PCXARHEADER;
/** XAR magic value (on disk endian). */
#define XAR_HEADER_MAGIC RT_H2LE_U32(RT_MAKE_U32_FROM_U8('x', 'a', 'r', '!'))
/** The current header version value (host endian). */
#define XAR_HEADER_VERSION 1
/** @name XAR hashing functions.
* @{ */
#define XAR_HASH_NONE 0
#define XAR_HASH_SHA1 1
#define XAR_HASH_MD5 2
#define XAR_HASH_MAX 2
/** @} */
#endif