change exit code to unknown on help and version info

Signed-off-by: Sven Nierlein <sven@nierlein.de>

1 files changed, 3 insertions, 3 deletions

diff --git a/plugins-scripts/check_netdns.pl b/plugins-scripts/check_netdns.pl
index af1456b..fd41873 100755
--- a/plugins-scripts/check_netdns.pl
+++ b/plugins-scripts/check_netdns.pl
@@ -45,10 +45,10 @@ GetOptions("V" => $opt_V,         "version" => $opt_V,
                                          "H=s" => $opt_H,       "hostname=s" => $opt_H);
                            
 # -h means display verbose help screen
-if($opt_h){ print_help(); exit 0; }
+if($opt_h){ print_help(); exit 3; }
 
 # -V means display version number
-if ($opt_V) { print_version(); exit 0; }
+if ($opt_V) { print_version(); exit 3; }
 
 # -H means host name
 $opt_H = shift unless ($opt_H);
@@ -70,7 +70,7 @@ if ($opt_s) {
                 $server = $1;
         } else {
                 print "$opt_s is not a valid host name";
-                exit -1;
+                exit 3;
         }
 }