Changeset 7446 in vbox

Timestamp:

Mar 13, 2008 8:17:06 PM (17 years ago)

Author:

vboxsync

Message:

Additions/x11: added a check for a null pointer which should prevent a segfault

File:

• trunk/src/VBox/Additions/x11/xclient/seamless-x11.cpp (modified) (1 diff)

trunk/src/VBox/Additions/x11/xclient/seamless-x11.cpp

@@ -224 +224 @@
 
     windowTypeRaw = XXGetProperty(mDisplay, hWin, XA_ATOM, WM_TYPE_PROP, &ulCount);
-    windowType = reinterpret_cast<Atom *>(windowTypeRaw);
-    if (   (ulCount != 0)
-        && (*windowType == XInternAtom(mDisplay, WM_TYPE_DESKTOP_PROP, True)))
-        rc = true;
+    if (windowTypeRaw != NULL)
+    {
+        windowType = reinterpret_cast<Atom *>(windowTypeRaw);
+        if (   (ulCount != 0)
+            && (*windowType == XInternAtom(mDisplay, WM_TYPE_DESKTOP_PROP, True)))
+            rc = true;
+    }
     return rc;
 }