c4aeed9f4d
- Extract chunk_serialize/chunk_deserialize from chunk_compress/chunk_decompress - Add STATUS_CHUNK to wire protocol for chunk-mode transfers - Client: -s sends chunk via STATUS_CHUNK (serialized or compressed+serialized) - Server: handle STATUS_CHUNK in both single-threaded and multithreaded paths - Fix memory leak in receive_file_receive (free->data_destroy) - Remove dead declarations: file_receive_from_buffer, file_receive_decompress, file_compress, chunk_data_to_disk, unused #defines