xserver/composite
Enrico Weigelt, metux IT consult 1e2842f3e5 composite: silence some warnings on possible NULL dereference
Unlikely to practically happen, but still safer to just check for sure.
A simple zero-value test doesn't cost us much (on modern CPUs perhaps
not even a full clock cycle).

| ../composite/compalloc.c: In function ‘compRedirectWindow’:
| ../composite/compalloc.c:167:35: warning: dereference of NULL ‘pClient’ [CWE-476] [-Wanalyzer-null-dereference]
|   167 |     ccw->id = FakeClientID(pClient->index);
|       |                            ~~~~~~~^~~~~~~

| ../composite/compalloc.c: In function ‘compUnredirectWindow’:
| ../composite/compalloc.c:331:75: warning: dereference of NULL ‘pClient’ [CWE-476] [-Wanalyzer-null-dereference]
|   331 |         if (ccw->update == update && dixClientIdForXID(ccw->id) == pClient->index) {
|       |                                                                    ~~~~~~~^~~~~~~

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 16:35:39 +02:00
..
compalloc.c composite: silence some warnings on possible NULL dereference 2025-06-12 16:35:39 +02:00
compext.c panoramix: replace FOR_NSCREENS() by FOR_NSCREENS_BACKWARD(i) 2025-06-12 16:24:18 +02:00
compinit.c os: move out extension disable flags to corresponing extensions 2025-02-07 12:00:53 +01:00
compint.h include: drop obsolete dixevents.h 2025-06-12 16:17:35 +02:00
compositeext.h composite: move out unexported CompositeIsImplicitRedirectException() 2024-03-03 22:50:07 +00:00
compositeext_priv.h composite: fix duplicate typedef of ScreenPtr 2024-04-18 00:51:06 +00:00
compoverlay.c rename old symbol PANORAMIX to XINERAMA 2025-02-06 15:51:27 +00:00
compwindow.c composite: use dixDestroyPixmap() instead of direct driver call 2025-02-12 17:48:30 +01:00
meson.build meson: hide C API if Xorg is disabled (like autotools) 2021-03-11 00:22:36 +00:00