From 53bc507c553bacf40b44ba9929111e9283091cb6 Mon Sep 17 00:00:00 2001
From: Stas Degteff <stas_degteff@users.sourceforge.net>
Date: Sat, 10 Sep 2005 18:19:02 +0000
Subject: [PATCH] Add diagnostics about unknown option. Fix USAGE information.

---
 rddt/rddt.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rddt/rddt.cpp b/rddt/rddt.cpp
index 2916b37..bbd9e59 100644
--- a/rddt/rddt.cpp
+++ b/rddt/rddt.cpp
@@ -346,7 +346,7 @@ int main(int argc, char** argv) {
        << endl;
 
   if(argc < 2) {
-    cout << "Syntax: RDDT <routefile> [address or name]" << endl;
+    cout << "Syntax: RDDT <routefile> [options] [address or name]" << endl;
     return 1;
   }
 
@@ -382,6 +382,8 @@ int main(int argc, char** argv) {
         case 'i':
           atree.indent = atoi(argp + 2);
           break;
+        default:
+          cerr << "Illegal option '" << argp << "', ignored" << endl;
       }
     }
     else