package/hpkg/PackageFileHeapWriter.cpp

78 		// might refer to the last chunk
83 			// no, need to push a new chunk
86 			Chunk chunk;
87 			chunk.offset = chunkOffset;
88 			chunk.compressedSize = compressedSize;
89 			chunk.uncompressedSize = uncompressedSize;
90 			chunk.buffer = NULL;
91 			if (!fChunks.Add(chunk))
138 		Chunk& chunk = fChunks[fNextReadIndex++];
139 		chunk.buffer = _GetBuffer();
141 		status_t error = fWriter->ReadFileData(chunk.offset, chunk.buffer,
142 			chunk.compressedSize);
149 		// Unless the next segment refers to the same chunk, advance to the next
150 		// chunk.
324 	// We potentially have to recompress all data from the first affected chunk
326 	// can use our usual data writing strategy, i.e. read a chunk, decompress it
331 	//   making sure our reading end is at least a complete uncompressed chunk
339 	// the first partial chunk (if any) and all chunks between ranges
379 		// If we have an aligned, complete chunk, copy its compressed data.
391 			// read chunk
395 		// copy compressed chunk data, if possible
396 		const Chunk& chunk = chunkBuffer.ChunkAt(segment.chunkIndex);
398 			status_t error = _WriteChunk(chunk.buffer, chunk.compressedSize,
405 		// decompress chunk, if compressed
407 		if (chunk.uncompressedSize == chunk.compressedSize) {
408 			uncompressedData = chunk.buffer;
409 		} else if (decompressedChunk == &chunk) {
412 			status_t error = DecompressChunkData(chunk.buffer,
413 				chunk.compressedSize, decompressionBuffer,
414 				chunk.uncompressedSize);
418 			decompressedChunk = &chunk;
422 		// add chunk data
429 	// Make sure a last partial chunk ends up in the pending data buffer. This
430 	// is only necessary when we didn't have to move any chunk segments, since
446 	// write chunk sizes table
452 	// We don't need to write the last chunk size, since it is implied by the
453 	// total size minus the sum of all other chunk sizes.
485 		// The chunk has not been written to disk yet. Its data are still in the
571 			fErrorOutput->PrintError("Failed to compress chunk data: %s\n",
644 	// If the last chunk is partial, read it in and remove it from the offsets.