dwl

commit ad9b3bc65d9e4802d2982bf09938783cfb7ee1b3
parent 83f60e89b0ce395511a91f3f1944015668730758
Author: Devin J. Pohly <djpohly@gmail.com>
Date:   Tue, 18 Aug 2020 19:43:42 -0500

handle NULL return from backend_autocreate

Fixes #44.

Diffstat:
M
dwl.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/dwl.c b/dwl.c
@@ -1460,7 +1460,8 @@ setup(void)
 	 * backend uses the renderer, for example, to fall back to software cursors
 	 * if the backend does not support hardware cursors (some older GPUs
 	 * don't). */
-	backend = wlr_backend_autocreate(dpy, NULL);
+	if (!(backend = wlr_backend_autocreate(dpy, NULL)))
+		BARF("couldn't create backend");
 
 	/* If we don't provide a renderer, autocreate makes a GLES2 renderer for us.
 	 * The renderer is responsible for defining the various pixel formats it