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Add function to retrieve readable sector tags

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This commit is contained in:
Natalia Portillo
2025-10-18 17:46:43 +01:00
parent cdddd3a3fd
commit 0bb3a3376b
3 changed files with 52 additions and 1 deletions
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2
include/aaru.h
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@@ -915,7 +915,7 @@ typedef enum
DvdSectorEdcAaru = 19, ///< DVD sector EDC, 4 bytes
AppleProfileTagAaru = 20, ///< Apple's Profile sector tags, 20 bytes
PriamDataTowerTagAaru = 21, ///< Priam DataTower sector tags, 24 bytes
MaxSectorTag = DvdSectorEdcAaru
MaxSectorTag = PriamDataTowerTagAaru
} SectorTagType;
/** @} */ /* end of SectorTags group */

1
include/aaruformat/decls.h
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@@ -195,6 +195,7 @@ AARU_EXPORT int32_t AARU_CALL aaruf_clear_drive_manufacturer(void *context);
AARU_EXPORT int32_t AARU_CALL aaruf_clear_drive_model(void *context);
AARU_EXPORT int32_t AARU_CALL aaruf_clear_drive_serial_number(void *context);
AARU_EXPORT int32_t AARU_CALL aaruf_clear_drive_firmware_revision(void *context);
AARU_EXPORT int32_t AARU_CALL aaruf_get_readable_sector_tags(const void *context, uint8_t *buffer, size_t *length);
AARU_EXPORT int32_t AARU_CALL aaruf_get_tape_file(const void *context, uint8_t partition, uint32_t file,
uint64_t *starting_block, uint64_t *ending_block);

50
src/blocks/metadata.c
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@@ -537,4 +537,54 @@ void process_aaru_metadata_json_block(aaruformat_context *ctx, const IndexEntry
TRACE("Found Aaru metadata JSON block %" PRIu64 ".", entry->offset);
TRACE("Exiting process_aaru_metadata_json_block()");
}
AARU_EXPORT int32_t AARU_CALL aaruf_get_readable_sector_tags(const void *context, uint8_t *buffer, size_t *length)
{
TRACE("Entering aaruf_get_readable_sector_tags(%p, %p, %zu)", context, buffer, (length ? *length : 0));
// Check context is correct AaruFormat context
if(context == NULL)
{
FATAL("Invalid context");
TRACE("Exiting aaruf_get_readable_sector_tags() = AARUF_ERROR_NOT_AARUFORMAT");
return AARUF_ERROR_NOT_AARUFORMAT;
}
const aaruformat_context *ctx = context;
// Not a libaaruformat context
if(ctx->magic != AARU_MAGIC)
{
FATAL("Invalid context");
TRACE("Exiting aaruf_get_readable_sector_tags() = AARUF_ERROR_NOT_AARUFORMAT");
return AARUF_ERROR_NOT_AARUFORMAT;
}
if(ctx->readableSectorTags == NULL)
{
FATAL("Image contains no readable sector tags");
TRACE("Exiting aaruf_get_readable_sector_tags() = AARUF_ERROR_METADATA_NOT_PRESENT");
return AARUF_ERROR_METADATA_NOT_PRESENT;
}
size_t required_length = sizeof(bool) * (MaxSectorTag + 1);
if(buffer == NULL || length == NULL || *length < required_length)
{
if(length) *length = required_length;
TRACE("Buffer too small for readable sector tags, required %zu bytes", required_length);
TRACE("Exiting aaruf_get_readable_sector_tags() = AARUF_ERROR_BUFFER_TOO_SMALL");
return AARUF_ERROR_BUFFER_TOO_SMALL;
}
memcpy(buffer, ctx->readableSectorTags, required_length);
*length = required_length;
TRACE("Exiting aaruf_get_readable_sector_tags(%p, %p, %zu) = AARUF_STATUS_OK", context, buffer, *length);
return AARUF_STATUS_OK;
}