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handle NULL return from backend_autocreate 

Fixes #44.
This commit is contained in:
Devin J. Pohly 2020-08-18 19:43:42 -05:00
parent 83f60e89b0
commit ad9b3bc65d
1 changed files with 2 additions and 1 deletions
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dwl.c
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@ -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