handle initdraw errors

2 files changed, 6 insertions, 2 deletions

diff --git a/sys/src/cmd/vnc/rlist.c b/sys/src/cmd/vnc/rlist.c
index dddad64fc..f0c15766a 100644
--- a/sys/src/cmd/vnc/rlist.c
+++ b/sys/src/cmd/vnc/rlist.c
@@ -273,7 +273,10 @@ void main(int argc, char * argv[])
 	Rectangle r3 = Rect(200, 100, 500, 300);
 	Region reg;
 
-	initdraw(0, 0, "vncviewer");
+	if(initdraw(0, 0, "vncviewer") < 0){
+		fprint(2, "%s: initdraw failed: %r\n", argv[0]);
+		exits("initdraw");
+	}
 	region_init(&reg);
 	region_union(&reg, r1, r1);
 	region_union(&reg, r2, r2);
diff --git a/sys/src/cmd/vnc/vncv.c b/sys/src/cmd/vnc/vncv.c
index 5de6786f0..3108bbae3 100644
--- a/sys/src/cmd/vnc/vncv.c
+++ b/sys/src/cmd/vnc/vncv.c
@@ -132,7 +132,8 @@ main(int argc, char **argv)
 	if(vncstart(vnc, shared) < 0)
 		sysfatal("init failure: %r");
 
-	initdraw(0, 0, "vncv");
+	if(initdraw(0, 0, "vncv") < 0)
+		sysfatal("initdraw: %r");
 	display->locking = 1;
 	unlockdisplay(display);