From 2a41502cde51f736b37791bd78fe97f0cf8c3d05 Mon Sep 17 00:00:00 2001
From: Jan Schmidt <jan@centricular.com>
Date: Mon, 17 Aug 2015 02:36:31 +1000
Subject: [PATCH] test-record: Check parameter count and print out help

If no launch pipeline was supplied, print out some help
---
 examples/test-record.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/examples/test-record.c b/examples/test-record.c
index 1c6ac3f083..1c375038f5 100644
--- a/examples/test-record.c
+++ b/examples/test-record.c
@@ -51,6 +51,11 @@ main (int argc, char *argv[])
     g_printerr ("Error parsing options: %s\n", error->message);
     return -1;
   }
+
+  if (argc < 2) {
+    g_print ("%s\n", g_option_context_get_help (optctx, TRUE, NULL));
+    return 1;
+  }
   g_option_context_free (optctx);
 
   loop = g_main_loop_new (NULL, FALSE);