X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=OSX%2FXScreenSaverView.m;h=1b3af09ff9b0c5965d2d1b0ee1728bb03f6388ad;hp=989edf290c24ff4e317a5c8ac2fa08bb63bcb9b3;hb=dba664f31aa87285db4d76cf8c5e66335299703a;hpb=8afc01a67be4fbf3f1cc0fce9adf01b5289a21c6

diff --git a/OSX/XScreenSaverView.m b/OSX/XScreenSaverView.m
index 989edf29..1b3af09f 100644
--- a/OSX/XScreenSaverView.m
+++ b/OSX/XScreenSaverView.m
@@ -960,6 +960,8 @@ double current_device_rotation (void)
       (void *(*) (Display *, Window, void *)) xsft->init_cb;
     
     xdata = init_cb (xdpy, xwindow, xsft->setup_arg);
+    // NSAssert(xdata, @"no xdata from init");
+    if (! xdata) abort();
 
     if (get_boolean_resource (xdpy, "doFPS", "DoFPS")) {
       fpst = fps_init (xdpy, xwindow);
@@ -1064,6 +1066,8 @@ double current_device_rotation (void)
 # ifndef USE_IPHONE
   NSDisableScreenUpdates();
 # endif
+  // NSAssert(xdata, @"no xdata when drawing");
+  if (! xdata) abort();
   unsigned long delay = xsft->draw_cb (xdpy, xwindow, xdata);
   if (fpst) xsft->fps_cb (xdpy, xwindow, fpst, xdata);
 # ifndef USE_IPHONE