collectd: Abort with an appropriate status in exit_usage().

In case of an error, the exit status code now equals 1.

diff --git a/src/collectd.c b/src/collectd.c
index e8aaed2b21a87352dc10ae11fb201c7a9e35570c..d6ec81a77e86b1d80851f31956014cda010ba8b2 100644 (file)
--- a/src/collectd.c
+++ b/src/collectd.c
@@ -246,7 +246,7 @@ static void update_kstat (void)
 /* TODO
  * Remove all settings but `-f' and `-C'
  */
-static void exit_usage (void)
+static void exit_usage (int status)
 {
        printf ("Usage: "PACKAGE" [OPTIONS]\n\n"
                        
@@ -268,8 +268,8 @@ static void exit_usage (void)
                        "\n"PACKAGE" "VERSION", http://collectd.org/\n"
                        "by Florian octo Forster <octo@verplant.org>\n"
                        "for contributions see `AUTHORS'\n");
-       exit (0);
-} /* static void exit_usage (char *name) */
+       exit (status);
+} /* static void exit_usage (int status) */
 
 static int do_init (void)
 {
@@ -438,13 +438,15 @@ int main (int argc, char **argv)
                                break;
 #endif /* COLLECT_DAEMON */
                        case 'h':
+                               exit_usage (0);
+                               break;
                        default:
-                               exit_usage ();
+                               exit_usage (1);
                } /* switch (c) */
        } /* while (1) */
 
        if (optind < argc)
-               exit_usage ();
+               exit_usage (1);
 
        /*
         * Read options from the config file, the environment and the command