clean return if x11/glx is not available

x42 · Jul 9, 2015 · d8edb0c · d8edb0c
1 parent 70f57ce
commit d8edb0c
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/pugl/pugl_x11.c b/pugl/pugl_x11.c
@@ -161,6 +161,12 @@ puglCreate(PuglNativeWindow parent,
 
 	impl->ctx = glXCreateContext(impl->display, vi, 0, GL_TRUE);
 
+	if (!impl->ctx) {
+		free(view);
+		free(impl);
+		return 0;
+	}
+
 	Window xParent = parent
 		? (Window)parent
 		: RootWindow(impl->display, impl->screen);
@@ -185,6 +191,12 @@ puglCreate(PuglNativeWindow parent,
 		0, 0, view->width, view->height, 0, vi->depth, InputOutput, vi->visual,
 		CWBorderPixel | CWColormap | CWEventMask, &attr);
 
+	if (!impl->win) {
+		free(view);
+		free(impl);
+		return 0;
+	}
+
 	XSizeHints sizeHints;
 	memset(&sizeHints, 0, sizeof(sizeHints));
 	if (view->set_window_hints) {