From: Linus Nordberg <linus@nordu.net>
Date: Tue, 24 Jan 2012 12:17:40 +0000 (+0100)
Subject: Be user friendly in example program.
X-Git-Tag: libradsec-0.0.4~84
X-Git-Url: http://www.project-moonshot.org/gitweb/?a=commitdiff_plain;ds=sidebyside;h=4874dc3d84e23b1f465a1ff8b686aca5ba0a5853;p=libradsec.git

Be user friendly in example program.
---

diff --git a/lib/examples/client-blocking.c b/lib/examples/client-blocking.c
index eb0648a..73c526d 100644
--- a/lib/examples/client-blocking.c
+++ b/lib/examples/client-blocking.c
@@ -98,6 +98,13 @@ blocking_client (const char *config_fn, const char *configuration,
   return err;
 }
 
+void
+usage (int argc, char *argv[])
+{
+  fprintf (stderr, "usage: %s: [-r] config-file config-name\n", argv[0]);
+  exit (1);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -110,6 +117,8 @@ main (int argc, char *argv[])
       argc--;
       argv++;
     }
+  if (argc < 3)
+    usage (argc, argv);
   err = blocking_client (argv[1], argv[2], use_request_object_flag);
   if (err)
     {