From bd52671fe8ab7e1fcef0e82a91d6bf4d5d6130eb Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sun, 23 May 2010 00:53:21 +0100
Subject: [PATCH] Legal notice if no arguments supplied

---
 duct.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/duct.c b/duct.c
index f6f8943..489fb92 100644
--- a/duct.c
+++ b/duct.c
@@ -393,6 +393,14 @@ static void printusage(FILE *f) {
   print_options(innduct_options, f);
 }
 
+static void printcopyright(FILE *f) {
+  fputs(
+ "innduct is Copyright (C)2010 Ian Jackson.\n"
+ "It is free software, licenced under GPL version 3 or later.\n"
+ "It is provided WITHOUT ANY WARRANTY.  See the file GPL-3 for details\n",
+        stderr);
+}
+
 static void help(const Option *o, const char *val) {
   printusage(stdout);
   if (ferror(stdout) || fflush(stdout)) {
@@ -426,6 +434,7 @@ int main(int argc, char **argv) {
 
   if (!argv[1]) {
     printusage(stderr);
+    printcopyright(stderr);
     exit(8);
   }
 
-- 
2.30.2