fix bug about a negative direction

diff --git a/rfk.c b/rfk.c
index f9d997b..7a62ea8 100644 (file)
--- a/rfk.c
+++ b/rfk.c
@@ -158,7 +158,10 @@ ensure_messages_loaded (void)
   while (!feof (nki_file))
     {
       char newline;
-      fscanf (nki_file, "%a[^\n]%c", &line, &newline);
+      if (fscanf (nki_file, "%a[^\n]%c", &line, &newline) == EOF)
+       {
+         break;
+       }
 
       if (strcmp(line, "")==0)
        {
@@ -377,10 +380,9 @@ on_window_clicked (GtkWidget      *widget,
 
   angle = atan2(event->x - rx,
                event->y - ry) +
-    M_PI +
-    M_PI/8;
+    M_PI * (9/8);
 
-  move_robot (((int) (angle / (M_PI/4)))-1);
+  move_robot (((int) (angle / (M_PI/4))) % 8);
 
   return TRUE;
 }