Check for NULL pointer

getCurrentModelWidget can return NULL (e.g. if the user has not opened any model yet), so check the returned value.
OpenModelica · Nov 25, 2016 · f416947 · f416947
1 parent 04a3427
commit f416947
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/OMEdit/OMEditGUI/Modeling/MessagesWidget.cpp b/OMEdit/OMEditGUI/Modeling/MessagesWidget.cpp
@@ -292,7 +292,7 @@ void MessagesWidget::openErrorMessageClass(QUrl url)
    * and also contains the line number. If we have correct current class then no need to show root parent class i.e., P.
    */
   ModelWidget *pModelWidget = MainWindow::instance()->getModelWidgetContainer()->getCurrentModelWidget();
-  if ((pModelWidget->getLibraryTreeItem()->getFileName().compare(pLibraryTreeItem->getFileName()) == 0) &&
+  if (pModelWidget /* Might be NULL */ && (pModelWidget->getLibraryTreeItem()->getFileName().compare(pLibraryTreeItem->getFileName()) == 0) &&
       pModelWidget->getLibraryTreeItem()->inRange(lineNumber)) {
     pLibraryTreeItem = pModelWidget->getLibraryTreeItem();
   }