From 976dac03398addda1c3cf7fc9825959aac06eb0b Mon Sep 17 00:00:00 2001
From: Kristian Evers <kristianevers@gmail.com>
Date: Tue, 27 Mar 2018 12:24:48 +0200
Subject: Print help when calling cct without arguments

Previously when calling cct without any arguments the following
message would be presented to the user:

    cct: Bad transformation arguments - ((null))
        'cct -h' for help

With this change the help instructions are returned instead.
---
 src/cct.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/cct.c b/src/cct.c
index 476ff174..6b8f35f3 100644
--- a/src/cct.c
+++ b/src/cct.c
@@ -166,7 +166,7 @@ int main(int argc, char **argv) {
     if (0==o)
         return 0;
 
-    if (opt_given (o, "h")) {
+    if (opt_given (o, "h") || argc==1) {
         printf (usage, o->progname);
         return 0;
     }
-- 
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