[gnc-tree-container.hpp] if the GtkTreeModel is empty, init m_iter wi…

…th std::nullopt Thus an empty container will evaluate begin()==end() as true.
Gnucash · Aug 18, 2023 · 1e44d1a · 1e44d1a
1 parent 891e393
commit 1e44d1a
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/gnucash/gnome-utils/gnc-tree-container.hpp b/gnucash/gnome-utils/gnc-tree-container.hpp
@@ -79,8 +79,7 @@ class GncTreeIter
     GncTreeIter(GtkTreeModel* model) : m_model (model)
     {
         GtkTreeIter iter;
-        gtk_tree_model_get_iter_first(m_model, &iter);
-        m_iter = iter;
+        m_iter = gtk_tree_model_get_iter_first(m_model, &iter) ? iter : std::nullopt;
     }
 
     GncTreeIter& operator++()