ObjFW  Check-in [d1293b647a]

	case UNCOMPRESSED_BLOCK_HEADER:
#define CTX _context.uncompressedHeader
		/* FIXME: This can be done more efficiently than unreading */
		[_stream unreadFromBuffer: _buffer + _bufferIndex
				   length: _bufferLength - _bufferIndex];
		_bufferIndex = _bufferLength = 0;

		CTX.position += [_stream readIntoBuffer: CTX.length
						 length: 4 - CTX.position];
		CTX.position += [_stream
		    readIntoBuffer: CTX.length + CTX.position
			    length: 4 - CTX.position];

		if OF_UNLIKELY (CTX.position < 4)
			return bytesWritten;

		if OF_UNLIKELY ((CTX.length[0] | (CTX.length[1] << 8)) !=
		    (uint16_t)~(CTX.length[2] | (CTX.length[3] << 8)))
			@throw [OFInvalidFormatException exception];