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libaaruformat/include/aaruformat/structs/data.h

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1.8 KiB
C

/*
* This file is part of the Aaru Data Preservation Suite.
* Copyright (c) 2019-2025 Natalia Portillo.
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBAARUFORMAT_DATA_H
#define LIBAARUFORMAT_DATA_H
#pragma pack(push, 1)
/**Block header, precedes block data */
typedef struct BlockHeader {
/**Identifier, <see cref="BlockType.DataBlock" /> */
uint32_t identifier;
/**Type of data contained by this block */
uint32_t type;
/**Compression algorithm used to compress the block */
uint16_t compression;
/**Size in uint8_ts of each sector contained in this block */
uint32_t sectorSize;
/**Compressed length for the block */
uint32_t cmpLength;
/**Uncompressed length for the block */
uint32_t length;
/**CRC64-ECMA of the compressed block */
uint64_t cmpCrc64;
/**CRC64-ECMA of the uncompressed block */
uint64_t crc64;
} BlockHeader;
/**Geometry block, contains physical geometry information */
typedef struct GeometryBlockHeader {
/**Identifier, <see cref="BlockType.GeometryBlock" /> */
uint32_t identifier;
uint32_t cylinders;
uint32_t heads;
uint32_t sectorsPerTrack;
} GeometryBlockHeader;
#pragma pack(pop)
#endif //LIBAARUFORMAT_DATA_H