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[lib] Split structures in separate headers.

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Natalia Portillo
2025-08-01 02:41:48 +01:00
parent 87341b4cbd
commit a8a18cf4d7
11 changed files with 526 additions and 322 deletions
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91
include/aaruformat/structs/header.h Normal file
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/*
* 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_HEADER_H
#define LIBAARUFORMAT_HEADER_H
#define AARU_HEADER_APP_NAME_LEN 64
#define GUID_SIZE 16
#pragma pack(push, 1)
/**Header, at start of file */
typedef struct AaruHeader {
/**Header identifier, <see cref="AARU_MAGIC" /> */
uint64_t identifier;
/**UTF-16LE name of the application that created the image */
uint8_t application[AARU_HEADER_APP_NAME_LEN];
/**Image format major version. A new major version means a possibly incompatible change of format */
uint8_t imageMajorVersion;
/**Image format minor version. A new minor version indicates a compatible change of format */
uint8_t imageMinorVersion;
/**Major version of the application that created the image */
uint8_t applicationMajorVersion;
/**Minor version of the application that created the image */
uint8_t applicationMinorVersion;
/**Type of media contained on image */
uint32_t mediaType;
/**Offset to index */
uint64_t indexOffset;
/**Windows filetime (100 nanoseconds since 1601/01/01 00:00:00 UTC) of image creation time */
int64_t creationTime;
/**Windows filetime (100 nanoseconds since 1601/01/01 00:00:00 UTC) of image last written time */
int64_t lastWrittenTime;
} AaruHeader;
/**Header, at start of file */
typedef struct AaruHeaderV2 {
/**Header identifier, see AARU_MAGIC */
uint64_t identifier;
/**UTF-16LE name of the application that created the image */
uint8_t application[AARU_HEADER_APP_NAME_LEN];
/**Image format major version. A new major version means a possibly incompatible change of format */
uint8_t imageMajorVersion;
/**Image format minor version. A new minor version indicates a compatible change of format */
uint8_t imageMinorVersion;
/**Major version of the application that created the image */
uint8_t applicationMajorVersion;
/**Minor version of the application that created the image */
uint8_t applicationMinorVersion;
/**Type of media contained on image */
uint32_t mediaType;
/**Offset to index */
uint64_t indexOffset;
/**Windows filetime (100 nanoseconds since 1601/01/01 00:00:00 UTC) of image creation time */
int64_t creationTime;
/**Windows filetime (100 nanoseconds since 1601/01/01 00:00:00 UTC) of image last written time */
int64_t lastWrittenTime;
/**Unique identifier that allows children images to recognize and find this image.*/
uint8_t guid[GUID_SIZE];
/**Block alignment shift. All blocks in the image are aligned at 2 << blockAlignmentShift bytes */
uint8_t blockAlignmentShift;
/**Data shift. All data blocks in the image contain 2 << dataShift items at most */
uint8_t dataShift;
/**Table shift. All deduplication tables in the image use this shift to calculate the position of an item */
uint8_t tableShift;
/**Features used in this image that if unsupported are still compatible for reading and writing implementations */
uint64_t featureCompatible;
/**Features used in this image that if unsupported are still compatible for reading implementations but not for writing */
uint64_t featureCompatibleRo;
/**Featured used in this image that if unsupported prevent reading or writing the image*/
uint64_t featureIncompatible;
} AaruHeaderV2;
#pragma pack(pop)
#endif //LIBAARUFORMAT_HEADER_H