X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altosui%2FAltosDebug.java;h=23e38bc02f9df4f5896aad3a1d38341d39c7bb05;hp=8d435b667d5ecb584b118bed27a5d9945b4abb92;hb=95268d681c9a6652d84db383f55a4fe8a4ac5173;hpb=51c7741040d95c5deece939dae5e4136cc04afc4

diff --git a/altosui/AltosDebug.java b/altosui/AltosDebug.java
index 8d435b66..23e38bc0 100644
--- a/altosui/AltosDebug.java
+++ b/altosui/AltosDebug.java
@@ -21,6 +21,7 @@ import java.lang.*;
 import java.io.*;
 import java.util.concurrent.*;
 import java.util.*;
+import org.altusmetrum.AltosLib.*;
 
 import libaltosJNI.*;
 
@@ -62,7 +63,10 @@ public class AltosDebug extends AltosSerial {
 	void ensure_debug_mode() {
 		if (!debug_mode) {
 			printf("D\n");
-			flush_input();
+			try {
+				flush_input();
+			} catch (InterruptedException ie) {
+			}
 			debug_mode = true;
 		}
 	}
@@ -160,7 +164,11 @@ public class AltosDebug extends AltosSerial {
 		int i = 0;
 		byte[] data = new byte[length];
 		while (i < length) {
-			String line = get_reply().trim();
+			String line = get_reply();
+
+			if (line == null)
+				throw new IOException("Timeout in read_bytes");
+			line = line.trim();
 			String tokens[] = line.split("\\s+");
 			for (int j = 0; j < tokens.length; j++) {
 				if (!Altos.ishex(tokens[j]) ||
@@ -169,7 +177,12 @@ public class AltosDebug extends AltosSerial {
 						String.format
 						("Invalid read_bytes reply \"%s\"", line));
 				try {
-					data[i + j] = (byte) Integer.parseInt(tokens[j], 16);
+					if (i + j >= length)
+						throw new IOException(
+							String.format
+							("Invalid read_bytes reply \"%s\"", line));
+					else
+						data[i + j] = (byte) Integer.parseInt(tokens[j], 16);
 				} catch (NumberFormatException ne) {
 					throw new IOException(
 						String.format