--- branches/linux-serial/SlipSerial.cpp	2007/02/04 23:11:02	46
+++ branches/linux-serial/SlipSerial.cpp	2007/02/05 00:48:02	47
@@ -42,7 +42,13 @@
 
 	while ( /*bytesReady() >0 &&*/ state != SlipStopped)
 	{
-		unsigned char data = readByte();
+		int c = readByte();
+		if (c == -1) 
+		{
+			Sleep(1);
+			continue;
+		}
+		unsigned char data = (unsigned char) c;
 		switch (state)
 		{
 			case SlipNormal: