X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/b43ec0577f2ad8ad33a0b893fe5360d966036786..6818e07291f3b2913e687c8ec3d3fe4711724050:/dmenu.c

diff --git a/dmenu.c b/dmenu.c
index 085dc29..19f6385 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -415,8 +415,9 @@ keypress(XKeyEvent *ev)
 	switch(ksym) {
 	default:
 insert:
-		if (!iscntrl(*buf))
-			insert(buf, len);
+		if (iscntrl((unsigned char)*buf))
+			return;
+		insert(buf, len);
 		break;
 	case XK_Delete:
 	case XK_KP_Delete: