NSUInteger partialReadBufferLength = [partialReadBuffer length];

	if (partialReadBufferLength > 0)
	{
		// There are 3 types of read packets:
		//
		// 1) Read all available data.
		// 2) Read a specific length of data.
		// 3) Read up to a particular terminator.

		NSUInteger bytesToCopy;

		if (currentRead->term != nil)
		{
			// Read type #3 - read up to a terminator

			bytesToCopy = [currentRead readLengthForTermWithPreBuffer:partialReadBuffer found:&done];
		}
		else
		{
			// Read type #1 or #2

			bytesToCopy = [currentRead readLengthForNonTermWithHint:partialReadBufferLength];
		}

		// Make sure we have enough room in the buffer for our read.

		[currentRead ensureCapacityForAdditionalDataOfLength:bytesToCopy];

		// Copy bytes from prebuffer into packet buffer

		uint8_t *buffer = (uint8_t *)[currentRead->buffer mutableBytes] + currentRead->startOffset +
		                                                                  currentRead->bytesDone;

		memcpy(buffer, [partialReadBuffer bytes], bytesToCopy);

		// Remove the copied bytes from the partial read buffer
		[partialReadBuffer replaceBytesInRange:NSMakeRange(0, bytesToCopy) withBytes:NULL length:0];
		partialReadBufferLength -= bytesToCopy;

		LogVerbose(@"copied(%lu) partialReadBufferLength(%lu)", bytesToCopy, partialReadBufferLength);

		// Update totals

		currentRead->bytesDone += bytesToCopy;
		totalBytesReadForCurrentRead += bytesToCopy;

		// Check to see if the read operation is done

		if (currentRead->readLength > 0)
		{
			// Read type #2 - read a specific length of data

			done = (currentRead->bytesDone == currentRead->readLength);
		}
		else if (currentRead->term != nil)
		{
			// Read type #3 - read up to a terminator

			// Our 'done' variable was updated via the readLengthForTermWithPreBuffer:found: method

			if (!done && currentRead->maxLength > 0)
			{
				// We're not done and there's a set maxLength.
				// Have we reached that maxLength yet?

				if (currentRead->bytesDone >= currentRead->maxLength)
				{
					error = [self readMaxedOutError];
				}
			}
		}
		else
		{
			// Read type #1 - read all available data
			//
			// We're done as soon as
			// - we've read all available data (in prebuffer and socket)
			// - we've read the maxLength of read packet.

			done = ((currentRead->maxLength > 0) && (currentRead->bytesDone == currentRead->maxLength));
		}

	}