File uisp-20050207-warn-unused.diff of Package uisp

--- uisp-20050207/src/MotIntl.C.orig	2005-05-11 14:49:32.000000000 +0200
+++ uisp-20050207/src/MotIntl.C	2005-05-11 15:08:27.000000000 +0200
@@ -371,7 +371,8 @@
   if (val!=NULL){hash_marker = atoi(val);}  
   
   /* auto-detect Motorola or Intel file format */
-  fgets(line_buf, MI_LINEBUF_SIZE, fd);
+  if (fgets(line_buf, MI_LINEBUF_SIZE, fd)==NULL)
+    throw Error_Device("Empty file?");
   if (strncasecmp(line_buf, "S0", 2)==0){UploadMotorola();}
   else if (line_buf[0]==':'){UploadIntel();}
   else {throw Error_Device("Unknown file format.");}  
--- uisp-20050207/src/Terminal.C.orig	2003-02-17 18:29:45.000000000 +0100
+++ uisp-20050207/src/Terminal.C	2005-05-11 15:33:14.000000000 +0200
@@ -61,7 +61,7 @@
   do {
     try {
       printf("avr> "); 
-      scanf("%s",cmd);
+      if (!scanf("%s",cmd)) return;
       if (!strcmp(cmd,"?")){
 	printf ("AVR Terminal supports the following commands:\n"
 	  "ul fileName        - uploads data from Motorola/Intel format.\n"
@@ -80,7 +80,7 @@
 	  "Written by Uros Platise (c) 1997-1999, uros.platise@ijs.si\n");
       }
       else if (!strcmp(cmd,"ul")) {
-	char inputFileName [64]; scanf ("%s", inputFileName);
+	char inputFileName [64]; if (!scanf ("%s", inputFileName)) return;
 	try{
 	  motintl.Read(inputFileName, true, false);
 	}
@@ -88,7 +88,7 @@
 	catch (Error_C) { perror ("Error"); }
       }
       else if (!strcmp(cmd,"vf")) {
-	char inputFileName [64]; scanf ("%s", inputFileName);
+	char inputFileName [64]; if (!scanf ("%s", inputFileName)) return;
 	try{
 	  motintl.Read(inputFileName, false, true);
 	}
@@ -97,7 +97,7 @@
       }      
 /*      
       else if (cmd=="dl") {
-	char outputFileName [64]; scanf ("%s", outputFileName);
+	char outputFileName [64]; if (!scanf ("%s", outputFileName)) return;
 	try { 
 	  TAout outAout (outputFileName, "wt");
 	  download (&outAout); 
@@ -117,7 +117,7 @@
       } 
       else if (!strcmp(cmd,"ss")){
         char seg_name [32];
-	scanf("%s", seg_name);
+	if (!scanf("%s", seg_name)) return;
 	if (!device->SetSegment(seg_name)){
 	  printf("Invalid segment: `%s'\n", seg_name);
 	} else {addr=0;}
@@ -138,17 +138,17 @@
       }
 */      
       else if (!strcmp(cmd,"rd")){
-	scanf ("%x", &addr);
-	printf("%s: $%.2x\n", 
-	  device->TellActiveSegment(), device->ReadByte(addr));
+	if (scanf ("%x", &addr))
+	  printf("%s: $%.2x\n", 
+	    device->TellActiveSegment(), device->ReadByte(addr));
       }
       else if (!strcmp(cmd,"wr")){
         unsigned x;
-	scanf("%x%x", &addr, &x);
-	device->WriteByte(addr, TByte(x));
+	if (scanf("%x%x", &addr, &x))
+	  device->WriteByte(addr, TByte(x));
       }
       else if (!strcmp(cmd,"du")){
-	scanf ("%x", &addr);
+	if (!scanf ("%x", &addr)) return;
 	goto list_contents;
       }
       else if (!strcmp(cmd,",")){