From 8e7e265d89dbcb5f8e8555c10d5550c4d0d426ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20M=C3=B6bius?= <moebius@cs.rwth-aachen.de>
Date: Tue, 21 Dec 2010 08:51:45 +0000
Subject: [PATCH] Dont crash on wrong command line options

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@354 fdac6126-5c0c-442c-9429-916003d36597
---
 src/OpenMesh/Apps/Dualizer/dualizer.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/OpenMesh/Apps/Dualizer/dualizer.cc b/src/OpenMesh/Apps/Dualizer/dualizer.cc
index 1de80120..1009ad2c 100644
--- a/src/OpenMesh/Apps/Dualizer/dualizer.cc
+++ b/src/OpenMesh/Apps/Dualizer/dualizer.cc
@@ -53,6 +53,11 @@ int main(int argc, char **argv)
 {
     MyMesh mesh;
 
+    if ( argc != 2 ) {
+        std::cerr << "Please specify input filename only!" << std::endl;
+        return 1;
+    }
+
     // read mesh from argv[1]
     if ( !OpenMesh::IO::read_mesh(mesh, argv[1]) )
     {