Fixes 288 - xinerama crashing bug on non-xinerama screens

There's a possibility of a null pointer returned by XRRGetScreenResources in mod_xrandr_get_outputs_for_geom. It wasn't getting checked. Now it is.
raboof · Jun 7, 2020 · 877c3c2 · 877c3c2
1 parent bc4f865
commit 877c3c2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/mod_xrandr/mod_xrandr.c b/mod_xrandr/mod_xrandr.c
@@ -245,6 +245,10 @@ ExtlTab mod_xrandr_get_outputs_for_geom(ExtlTab geom)
     XRRScreenResources *res = XRRGetScreenResources(ioncore_g.dpy, ioncore_g.rootwins->dummy_win);
     ExtlTab result = extl_create_table();
 
+    if (!res) {
+      return result;
+    }
+
     for(i=0; i < res->noutput; i++){
         int x,y;
         int w,h;