WebSVN – programming – Diff – /school/cs480/elevator/elevator.cpp

  * You must pass the object in, since this is a static function
  * and we aren't allowed to access the this pointer.
  */
 void Elevator::thread_entry (const Elevator *me)
+{
+    assert (me != NULL);
     Elevator *pthis = (Elevator*)me;
     while (!pthis->terminate)
+    {
         /* Implement "pausing" */
     return false;
+}
 bool Elevator::near_floor (int floor)
+{
+    assert (floor >= 0);
+    assert (floor < num_floors);
     const float thresh  = ELEVATOR_TIME_MOVE_AMOUNT / 2.0;
     const float greater = floor + thresh;
     const float lower   = floor - thresh;
     if (current_floor > lower && current_floor < greater)

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