mirror of
https://github.com/aaru-dps/libaaruformat.git
synced 2025-12-16 19:24:40 +00:00
Split metadata block processing from open to a separate file.
This commit is contained in:
209
src/open.c
209
src/open.c
@@ -248,214 +248,7 @@ void *aaruf_open(const char *filepath)
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break;
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// Metadata block
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case MetadataBlock:
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readBytes = fread(&ctx->metadataBlockHeader, 1, sizeof(MetadataBlockHeader), ctx->imageStream);
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if(readBytes != sizeof(MetadataBlockHeader))
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{
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memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
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fprintf(stderr, "libaaruformat: Could not read metadata block header, continuing...\n");
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break;
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}
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if(ctx->metadataBlockHeader.identifier != entry->blockType)
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{
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memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
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fprintf(stderr, "libaaruformat: Incorrect identifier for data block at position %" PRIu64 "\n",
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entry->offset);
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break;
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}
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ctx->imageInfo.ImageSize += ctx->metadataBlockHeader.blockSize;
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ctx->metadataBlock = (uint8_t *)malloc(ctx->metadataBlockHeader.blockSize);
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if(ctx->metadataBlock == NULL)
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{
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memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
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fprintf(stderr, "libaaruformat: Could not allocate memory for metadata block, continuing...\n");
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break;
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}
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readBytes = fread(ctx->metadataBlock, 1, ctx->metadataBlockHeader.blockSize, ctx->imageStream);
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if(readBytes != ctx->metadataBlockHeader.blockSize)
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{
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memset(&ctx->metadataBlockHeader, 0, sizeof(MetadataBlockHeader));
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free(ctx->metadataBlock);
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fprintf(stderr, "libaaruformat: Could not read metadata block, continuing...\n");
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}
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if(ctx->metadataBlockHeader.mediaSequence > 0 && ctx->metadataBlockHeader.lastMediaSequence > 0)
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{
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ctx->imageInfo.MediaSequence = ctx->metadataBlockHeader.mediaSequence;
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ctx->imageInfo.LastMediaSequence = ctx->metadataBlockHeader.lastMediaSequence;
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fprintf(stderr, "libaaruformat: Setting media sequence as %d of %d\n", ctx->imageInfo.MediaSequence,
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ctx->imageInfo.LastMediaSequence);
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}
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if(ctx->metadataBlockHeader.creatorLength > 0 &&
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ctx->metadataBlockHeader.creatorOffset + ctx->metadataBlockHeader.creatorLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.Creator = (uint8_t *)malloc(ctx->metadataBlockHeader.creatorLength);
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if(ctx->imageInfo.Creator != NULL)
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{
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memcpy(ctx->imageInfo.Creator, ctx->metadataBlock + ctx->metadataBlockHeader.creatorOffset,
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ctx->metadataBlockHeader.creatorLength);
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}
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}
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if(ctx->metadataBlockHeader.commentsLength > 0 &&
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ctx->metadataBlockHeader.commentsOffset + ctx->metadataBlockHeader.commentsLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.Comments = (uint8_t *)malloc(ctx->metadataBlockHeader.commentsLength);
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if(ctx->imageInfo.Comments != NULL)
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{
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memcpy(ctx->imageInfo.Comments, ctx->metadataBlock + ctx->metadataBlockHeader.commentsOffset,
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ctx->metadataBlockHeader.commentsLength);
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}
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}
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if(ctx->metadataBlockHeader.mediaTitleLength > 0 &&
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ctx->metadataBlockHeader.mediaTitleOffset + ctx->metadataBlockHeader.mediaTitleLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.MediaTitle = (uint8_t *)malloc(ctx->metadataBlockHeader.mediaTitleLength);
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if(ctx->imageInfo.MediaTitle != NULL)
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{
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memcpy(ctx->imageInfo.MediaTitle,
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ctx->metadataBlock + ctx->metadataBlockHeader.mediaTitleOffset,
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ctx->metadataBlockHeader.mediaTitleLength);
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}
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}
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if(ctx->metadataBlockHeader.mediaManufacturerLength > 0 &&
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ctx->metadataBlockHeader.mediaManufacturerOffset +
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ctx->metadataBlockHeader.mediaManufacturerLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.MediaManufacturer =
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(uint8_t *)malloc(ctx->metadataBlockHeader.mediaManufacturerLength);
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if(ctx->imageInfo.MediaManufacturer != NULL)
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{
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memcpy(ctx->imageInfo.MediaManufacturer,
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ctx->metadataBlock + ctx->metadataBlockHeader.mediaManufacturerOffset,
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ctx->metadataBlockHeader.mediaManufacturerLength);
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}
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}
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if(ctx->metadataBlockHeader.mediaModelLength > 0 &&
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ctx->metadataBlockHeader.mediaModelOffset + ctx->metadataBlockHeader.mediaModelLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.MediaModel = (uint8_t *)malloc(ctx->metadataBlockHeader.mediaModelOffset);
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if(ctx->imageInfo.MediaModel != NULL)
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{
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memcpy(ctx->imageInfo.MediaModel,
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ctx->metadataBlock + ctx->metadataBlockHeader.mediaModelOffset,
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ctx->metadataBlockHeader.mediaModelLength);
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}
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}
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if(ctx->metadataBlockHeader.mediaSerialNumberLength > 0 &&
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ctx->metadataBlockHeader.mediaSerialNumberOffset +
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ctx->metadataBlockHeader.mediaSerialNumberLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.MediaSerialNumber =
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(uint8_t *)malloc(ctx->metadataBlockHeader.mediaSerialNumberLength);
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if(ctx->imageInfo.MediaSerialNumber != NULL)
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{
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memcpy(ctx->imageInfo.MediaSerialNumber,
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ctx->metadataBlock + ctx->metadataBlockHeader.mediaSerialNumberOffset,
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ctx->metadataBlockHeader.mediaManufacturerLength);
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}
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}
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if(ctx->metadataBlockHeader.mediaBarcodeLength > 0 &&
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ctx->metadataBlockHeader.mediaBarcodeOffset + ctx->metadataBlockHeader.mediaBarcodeLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.MediaBarcode = (uint8_t *)malloc(ctx->metadataBlockHeader.mediaBarcodeLength);
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if(ctx->imageInfo.MediaBarcode != NULL)
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{
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memcpy(ctx->imageInfo.MediaBarcode,
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ctx->metadataBlock + ctx->metadataBlockHeader.mediaBarcodeOffset,
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ctx->metadataBlockHeader.mediaBarcodeLength);
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}
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}
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if(ctx->metadataBlockHeader.mediaPartNumberLength > 0 &&
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ctx->metadataBlockHeader.mediaPartNumberOffset + ctx->metadataBlockHeader.mediaPartNumberLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.MediaPartNumber = (uint8_t *)malloc(ctx->metadataBlockHeader.mediaPartNumberLength);
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if(ctx->imageInfo.MediaPartNumber != NULL)
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{
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memcpy(ctx->imageInfo.MediaPartNumber,
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ctx->metadataBlock + ctx->metadataBlockHeader.mediaPartNumberOffset,
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ctx->metadataBlockHeader.mediaPartNumberLength);
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}
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}
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if(ctx->metadataBlockHeader.driveManufacturerLength > 0 &&
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ctx->metadataBlockHeader.driveManufacturerOffset +
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ctx->metadataBlockHeader.driveManufacturerLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.DriveManufacturer =
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(uint8_t *)malloc(ctx->metadataBlockHeader.driveManufacturerLength);
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if(ctx->imageInfo.DriveManufacturer != NULL)
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{
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memcpy(ctx->imageInfo.DriveManufacturer,
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ctx->metadataBlock + ctx->metadataBlockHeader.driveManufacturerOffset,
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ctx->metadataBlockHeader.driveManufacturerLength);
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}
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}
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if(ctx->metadataBlockHeader.driveModelLength > 0 &&
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ctx->metadataBlockHeader.driveModelOffset + ctx->metadataBlockHeader.driveModelLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.DriveModel = (uint8_t *)malloc(ctx->metadataBlockHeader.driveModelLength);
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if(ctx->imageInfo.DriveModel != NULL)
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{
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memcpy(ctx->imageInfo.DriveModel,
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ctx->metadataBlock + ctx->metadataBlockHeader.driveModelOffset,
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ctx->metadataBlockHeader.driveModelLength);
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}
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}
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if(ctx->metadataBlockHeader.driveSerialNumberLength > 0 &&
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ctx->metadataBlockHeader.driveSerialNumberOffset +
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ctx->metadataBlockHeader.driveSerialNumberLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.DriveSerialNumber =
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(uint8_t *)malloc(ctx->metadataBlockHeader.driveSerialNumberLength);
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if(ctx->imageInfo.DriveSerialNumber != NULL)
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{
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memcpy(ctx->imageInfo.DriveSerialNumber,
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ctx->metadataBlock + ctx->metadataBlockHeader.driveSerialNumberOffset,
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ctx->metadataBlockHeader.driveSerialNumberLength);
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}
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}
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if(ctx->metadataBlockHeader.driveManufacturerLength > 0 &&
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ctx->metadataBlockHeader.driveFirmwareRevisionOffset +
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ctx->metadataBlockHeader.driveManufacturerLength <=
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ctx->metadataBlockHeader.blockSize)
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{
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ctx->imageInfo.DriveFirmwareRevision =
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(uint8_t *)malloc(ctx->metadataBlockHeader.driveFirmwareRevisionLength);
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if(ctx->imageInfo.DriveFirmwareRevision != NULL)
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{
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memcpy(ctx->imageInfo.DriveFirmwareRevision,
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ctx->metadataBlock + ctx->metadataBlockHeader.driveFirmwareRevisionLength,
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ctx->metadataBlockHeader.driveFirmwareRevisionLength);
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}
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}
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process_metadata_block(ctx, entry);
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break;
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case TracksBlock:
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