From 2cb85891ba58a83263ef30dc9799d1fda9fb71af Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Sat, 11 Jan 2020 06:02:08 -0500
Subject: cmapcube: don't crash on initdraw failure

---
 src/cmd/draw/cmapcube.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/cmd')

diff --git a/src/cmd/draw/cmapcube.c b/src/cmd/draw/cmapcube.c
index 4d56322b..fd234d60 100644
--- a/src/cmd/draw/cmapcube.c
+++ b/src/cmd/draw/cmapcube.c
@@ -185,7 +185,8 @@ void main(int argc, char **argv){
 		break;
 	}ARGEND
 
-	initdraw(0,0,0);
+	if(initdraw(0,0,0) < 0)
+		sysfatal("initdraw: %r");
 	ncolor=256;
 	for(i=0;i!=ncolor;i++)
 		color[i] = allocimage(display, Rect(0, 0, 1, 1), CMAP8, 1, cmap2rgba(i));
-- 
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