mirror of
https://github.com/aaru-dps/libaaruformat.git
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Natalia Portillo
728902ea7a
Sectors outside any track were stored raw as data, and negative sectors were matched against tracks by their absolute address. Find the track by the signed LBA and, following the Compact Disc specifications, give Lead-In sectors the format of the first track and Lead-Out sectors that of the track before them.
113 lines
5.7 KiB
C
113 lines
5.7 KiB
C
/*
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* This file is part of the Aaru Data Preservation Suite.
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* Copyright (c) 2019-2026 Natalia Portillo.
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This library 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBAARUFORMAT_INTERNAL_H
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#define LIBAARUFORMAT_INTERNAL_H
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/** @brief Clamp num_threads to LZMA's valid range [1, 2]. */
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#define LZMA_THREADS(ctx) ((ctx)->num_threads > 1 ? 2 : 1)
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "aaruformat/context.h"
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#if defined(AARU_USE_WIN32_FILEIO64)
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#define AARU_FSEEK _fseeki64
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#define AARU_FTELL _ftelli64
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#elif defined(AARU_USE_POSIX_FILEIO64)
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#define AARU_FSEEK fseeko
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#define AARU_FTELL ftello
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#else
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#define AARU_FSEEK fseek
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#define AARU_FTELL ftell
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#endif
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typedef int64_t aaru_off_t;
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/* Seek using a 64-bit offset. Returns 0 on success, non-zero on failure, just
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* like fseek()/_fseeki64(). Use aaruf_ftell() to retrieve the current offset. */
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static inline int aaruf_fseek(FILE *stream, aaru_off_t offset, int origin)
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{
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return AARU_FSEEK(stream, offset, origin);
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}
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/* Return the current file offset as a signed 64-bit value. */
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static inline aaru_off_t aaruf_ftell(FILE *stream)
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{
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return (aaru_off_t)AARU_FTELL(stream);
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}
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#ifndef AARU_NO_FILEIO_REMAP
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#define fseek(stream, offset, origin) aaruf_fseek((stream), (aaru_off_t)(offset), (origin))
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#define ftell(stream) aaruf_ftell((stream))
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#endif
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#include "utarray.h"
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UT_array *process_index_v1(aaruformat_context *ctx);
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int32_t verify_index_v1(aaruformat_context *ctx);
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UT_array *process_index_v2(aaruformat_context *ctx);
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int32_t verify_index_v2(aaruformat_context *ctx);
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UT_array *process_index_v3(aaruformat_context *ctx);
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int32_t verify_index_v3(aaruformat_context *ctx);
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int32_t process_data_block(aaruformat_context *ctx, IndexEntry *entry);
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int32_t process_ddt_v1(aaruformat_context *ctx, IndexEntry *entry, bool *found_user_data_ddt);
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int32_t process_ddt_v2(aaruformat_context *ctx, IndexEntry *entry, bool *found_user_data_ddt);
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void process_metadata_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_geometry_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_tracks_block(aaruformat_context *ctx, const IndexEntry *entry);
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bool find_cd_track_for_sector(const TrackEntry *tracks, int count, int64_t lba, TrackEntry *track, bool *outside);
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void process_cicm_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_aaru_metadata_json_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_dumphw_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_dpm_block(aaruformat_context *ctx, const IndexEntry *entry);
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int32_t validate_dpm_block(const uint8_t *data, size_t length);
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int32_t recover_dpm_block(aaruformat_context *ctx);
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uint64_t dpm_payload_length(const DpmHeader *header);
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void process_checksum_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_tape_files_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_tape_partitions_block(aaruformat_context *ctx, const IndexEntry *entry);
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void process_flux_data_block(aaruformat_context *ctx, const IndexEntry *entry);
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int32_t flux_map_rebuild_from_entries(aaruformat_context *ctx);
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int32_t decode_ddt_entry_v1(aaruformat_context *ctx, uint64_t sector_address, uint64_t *offset, uint64_t *block_offset,
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uint8_t *sector_status);
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int32_t decode_ddt_entry_v2(aaruformat_context *ctx, uint64_t sector_address, bool negative, uint64_t *offset,
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uint64_t *block_offset, uint8_t *sector_status);
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int32_t decode_ddt_single_level_v2(aaruformat_context *ctx, uint64_t sector_address, bool negative, uint64_t *offset,
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uint64_t *block_offset, uint8_t *sector_status);
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int32_t decode_ddt_multi_level_v2(aaruformat_context *ctx, uint64_t sector_address, bool negative, uint64_t *offset,
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uint64_t *block_offset, uint8_t *sector_status);
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bool set_ddt_entry_v2(aaruformat_context *ctx, uint64_t sector_address, bool negative, uint64_t offset,
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uint64_t block_offset, uint8_t sector_status, uint64_t *ddt_entry);
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bool set_ddt_single_level_v2(aaruformat_context *ctx, uint64_t sector_address, bool negative, uint64_t offset,
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uint64_t block_offset, uint8_t sector_status, uint64_t *ddt_entry);
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bool set_ddt_multi_level_v2(aaruformat_context *ctx, uint64_t sector_address, bool negative, uint64_t offset,
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uint64_t block_offset, uint8_t sector_status, uint64_t *ddt_entry);
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bool set_ddt_tape(aaruformat_context *ctx, uint64_t sector_address, uint64_t offset, uint64_t block_offset,
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uint8_t sector_status, uint64_t *ddt_entry);
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aaru_options parse_options(const char *options, bool *table_shift_found);
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uint64_t get_filetime_uint64();
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int32_t aaruf_close_current_block(aaruformat_context *ctx);
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int32_t aaruf_finalize_write(aaruformat_context *ctx);
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int compare_extents(const void *a, const void *b);
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void generate_random_bytes(uint8_t *buffer, size_t length);
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#endif // LIBAARUFORMAT_INTERNAL_H
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