diff options
| author | Thomas E. Dickey <dickey@invisible-island.net> | 2024-03-01 20:30:50 -0500 |
|---|---|---|
| committer | Thomas E. Dickey <dickey@invisible-island.net> | 2024-03-02 16:58:06 -0500 |
| commit | a3fb321330ccb6d9dcd6fd3d41971cda3987527a (patch) | |
| tree | 294eac395de900a2ad91f8ba8b49857c98067594 | |
| parent | 3841474f3ba6914b6909e29c5cf0c5e7207a69a7 (diff) | |
add check for null pointer, avoid dereferencing
Signed-off-by: Thomas E. Dickey <dickey@invisible-island.net>
| -rw-r--r-- | src/MenuButton.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/MenuButton.c b/src/MenuButton.c index face84c..a6b9302 100644 --- a/src/MenuButton.c +++ b/src/MenuButton.c @@ -211,7 +211,9 @@ PopupMenu(Widget w, XEvent *event _X_UNUSED, String *params _X_UNUSED, Cardinal int menu_x, menu_y, menu_width, menu_height, button_height; Position button_x, button_y; - temp = w; + if ((temp = w) == NULL) + return; + while(temp != NULL) { menu = XtNameToWidget(temp, mbw->menu_button.menu_name); if (menu == NULL) |