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| author | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2024-05-08 13:52:32 +0200 |
|---|---|---|
| committer | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2024-05-08 13:52:32 +0200 |
| commit | e6093782644b83c3c5112b1facf0a680c4005817 (patch) | |
| tree | 4aed575546adc5a2dccd0a859f268f9e14c768dc /src/Fl_Tree.cxx | |
| parent | d428a0044388596d19dd20f32471e24146e40975 (diff) | |
Avoid possible dereferencing of null pointer (#971)
Diffstat (limited to 'src/Fl_Tree.cxx')
| -rw-r--r-- | src/Fl_Tree.cxx | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Fl_Tree.cxx b/src/Fl_Tree.cxx index a545a321c..50f13b988 100644 --- a/src/Fl_Tree.cxx +++ b/src/Fl_Tree.cxx @@ -383,6 +383,7 @@ int Fl_Tree::handle(int e) { case FL_PUSH: { // clicked on tree last_my = Fl::event_y(); // save for dragging direction.. if (Fl::visible_focus() && handle(FL_FOCUS)) Fl::focus(this); + if ( ! _root ) return(ret); // issue #971 Fl_Tree_Item *item = _root->find_clicked(_prefs, 0); // Tell FL_DRAG what was pushed _lastpushed = item ? item->event_on_collapse_icon(_prefs) ? PUSHED_OPEN_CLOSE // open/close icon clicked |