Removed nullptr access from Timer().hasStarted() (ros#1541)

meyerj · Jan 2, 2019 · fe9479c · fe9479c
1 parent 64fe1c8
commit fe9479c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/clients/roscpp/include/ros/timer.h b/clients/roscpp/include/ros/timer.h
@@ -71,7 +71,7 @@ class ROSCPP_DECL Timer
    */
   void setPeriod(const Duration& period, bool reset=true);
 
-  bool hasStarted() const { return impl_->hasStarted(); }
+  bool hasStarted() const { return impl_ && impl_->hasStarted(); }
   bool isValid() { return impl_ && impl_->isValid(); }
   operator void*() { return isValid() ? (void*)1 : (void*)0; }