diff options
| author | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2019-03-27 11:32:23 +0100 |
|---|---|---|
| committer | ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com> | 2019-03-27 11:32:23 +0100 |
| commit | a6ea84487977dec4c291d92220a87756e9a1675f (patch) | |
| tree | e9433741ffe6f9ef4e0613584a1089c503c99f3f | |
| parent | 9a9b02f9dd6fd56c6ca5610c3414964423b3c863 (diff) | |
Check against null pointer for security
| -rw-r--r-- | src/Fl_Screen_Driver.cxx | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Fl_Screen_Driver.cxx b/src/Fl_Screen_Driver.cxx index c5a118e30..43dbc144d 100644 --- a/src/Fl_Screen_Driver.cxx +++ b/src/Fl_Screen_Driver.cxx @@ -383,7 +383,7 @@ void Fl_Screen_Driver::transient_scale_display(float f, int nscreen) win_and_widget *data = new win_and_widget; data->win = win; data->widget = Fl::focus(); - if (data->widget->top_window()->user_data() == &transient_scale_display) { + if (data->widget && data->widget->top_window()->user_data() == &transient_scale_display) { data->widget = 0; } win->show(); |