Subject: Output help if no parameters are given
From: Juergen Beisert <j.beisert@pengutronix.de>

Output a help, if a user omit any parameter instead of silently start the
job and do something.

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>

---

#20091205: rsc: added to the sourceforge tracker
#          https://sourceforge.net/tracker/?func=detail&aid=2909392&group_id=3857&atid=303857

 tiotest.c |    3 +++
 1 file changed, 3 insertions(+)

Index: tiotest.c
===================================================================
--- tiotest.c.orig
+++ tiotest.c
@@ -112,6 +112,9 @@ void parse_args( ArgumentOptions* args, 
 	int c;
 	int once = 0;
 
+	if (argc == 1)
+		print_help_and_exit();
+
 	while (1)
 	{
 		c = getopt( argc, argv, "f:b:d:t:r:D:k:o:hLRTWSOc");