plan9port

commit 2cb85891ba58a83263ef30dc9799d1fda9fb71af
parent dbf57689c45611b8da9e269c24e409ee33a877d5
Author: Russ Cox <rsc@swtch.com>
Date:   Sat, 11 Jan 2020 06:02:08 -0500

cmapcube: don't crash on initdraw failure

Diffstat:
M
src/cmd/draw/cmapcube.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git 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));