From 6a6301de5fa77524c64cb1c41ff6479ca29355aa Mon Sep 17 00:00:00 2001
From: Ryan Steinmetz <zi@FreeBSD.org>
Date: Wed, 4 Jul 2018 08:49:52 -0400
Subject: [PATCH] Don't crash if launched without arguments

---
 tdfiglet.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tdfiglet.c b/tdfiglet.c
index b5b8960..f5fada7 100644
--- a/tdfiglet.c
+++ b/tdfiglet.c
@@ -117,6 +117,10 @@ main(int argc, char *argv[])
 	opt.info = false;
 	opt.encoding = ENC_UNICODE;
 
+	if (argc == 1) {
+		usage();
+	}
+
 	while((o = getopt(argc, argv, "w:j:c:e:i")) != -1) {
 		switch (o) {
 			case 'w':