Add -afterTourney option
[xboard.git] / xoptions.c
index c1ae427..926f905 100644 (file)
@@ -155,7 +155,7 @@ void SpinCallback(w, client_data, call_data)
     String name, val;
     Arg args[16];
     char buf[MSG_SIZ], *p;
-    int j;
+    int j = 0; // Initialiasation is necessary because the text value may be non-numeric causing the scanf conversion to fail
     int data = (intptr_t) client_data;
 
     XtSetArg(args[0], XtNlabel, &name);
@@ -838,6 +838,7 @@ int GenericReadout(int selected)
                case Fractional:
                    XtSetArg(args[0], XtNstring, &val);
                    XtGetValues(currentOption[i].handle, args, 1);
+                   x = 0.0; // Initialise because sscanf() will fail if non-numeric text is entered
                    sscanf(val, "%f", &x);
                    if(x > currentOption[i].max) x = currentOption[i].max;
                    if(x < currentOption[i].min) x = currentOption[i].min;