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wayland: Phase 52 — guard wWindowMap/Unmap and misc X11 paths for NULL frame 

Add if (wwin->frame) guards to wWindowMap and wWindowUnmap so that
frameless Wayland windows do not dereference wwin->frame->core->window.
Guard getCommandForWindow in misc.c against NULL dpy to prevent
XGetCommand crash when the PID-based haveCommand path fires.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Levi Neely 2026-03-28 07:09:20 +01:00
parent c36bd7384e
commit 8f0c54240e
1 changed files with 4 additions and 2 deletions
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6
src/window.c
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@ -1638,7 +1638,8 @@ void wUnmanageWindow(WWindow *wwin, Bool restore, Bool destroyed)
void wWindowMap(WWindow *wwin)
{
wm_backend->window_map(wwin->frame->core->window);
if (wwin->frame) /* Wayland: no frame window to map */
wm_backend->window_map(wwin->frame->core->window);
if (!wwin->flags.shaded) {
/* window will be remapped when getting MapNotify */
wm_backend->window_select_events(wwin->client_win,
@ -1660,7 +1661,8 @@ void wWindowUnmap(WWindow *wwin)
wm_backend->window_unmap(wwin->client_win);
wm_backend->window_select_events(wwin->client_win, wwin->event_mask);
wm_backend->window_unmap(wwin->frame->core->window);
if (wwin->frame) /* Wayland: no frame window to unmap */
wm_backend->window_unmap(wwin->frame->core->window);
}
void wWindowSingleFocus(WWindow *wwin)