From e9728042b9be81b4afc75c17500bba65d266216f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 27 Jun 2014 15:48:38 +0000
Subject: [PATCH] From Laurens Voerman, "attached is a modified version of
 src/osgUtil/Tessellator.cpp current code checks for a Nullpointer and on
 notify level info or above will inform you with a crash, by dereferencing
 it."

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14315 16af8721-9629-0410-8352-f15c8da7e697
---
 src/osgUtil/Tessellator.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/osgUtil/Tessellator.cpp b/src/osgUtil/Tessellator.cpp
index ecf20d356..503f04252 100644
--- a/src/osgUtil/Tessellator.cpp
+++ b/src/osgUtil/Tessellator.cpp
@@ -86,7 +86,13 @@ void Tessellator::addVertex(osg::Vec3* vertex)
         }
         else
         {
-            OSG_INFO<<"Tessellator::addVertex("<<*vertex<<") detected NaN, ignoring vertex."<<std::endl;
+            if (vertex) {
+                OSG_INFO << "Tessellator::addVertex(" << *vertex << ") detected NaN, ignoring vertex." << std::endl;
+            }
+            else
+            {
+                OSG_INFO<<"Tessellator::addVertex(NULL) detected Nullpointer, ignoring vertex."<<std::endl;
+            }
         }
     }
 }