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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>
---
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");
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