From 8eb351d72269eb140704d7f764ea3c35152a9bb7 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 21 Nov 2008 11:52:48 +0000
Subject: [PATCH] From Gordon Tomlinson, "Find enclosed fix for a leak in the
 Tessellator::reset(), were the new verts were not being deleted, only the
 container was

We have confirmed the leak while running things through Purify,"

Small code tweaks by Robert Osfield to streamline the code.
---
 src/osgUtil/Tessellator.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/osgUtil/Tessellator.cpp b/src/osgUtil/Tessellator.cpp
index 8335c9a41..38e76e561 100644
--- a/src/osgUtil/Tessellator.cpp
+++ b/src/osgUtil/Tessellator.cpp
@@ -103,15 +103,27 @@ void Tessellator::reset()
         gluDeleteTess(_tobj);
         _tobj = 0;
     }
-    for (Vec3dList::iterator i = _coordData.begin(); i != _coordData.end(); ++i) {
-      delete (*i);
+
+    for (Vec3dList::iterator i = _coordData.begin(); i != _coordData.end(); ++i)
+    {
+        delete (*i);
     }
+    
+    // We need to also free the vertex list as well otherwise we are leaking...
+    for (NewVertexList::iterator j = _newVertexList.begin(); j != _newVertexList.end(); ++j)
+    {
+        NewVertex& newVertex = (*j);
+        delete newVertex._vpos;
+        newVertex._vpos = NULL;
+    }
+
     _coordData.clear();
     _newVertexList.clear();
     _primList.clear();
     _errorCode = 0;
 }
 
+
 class InsertNewVertices : public osg::ArrayVisitor
 {
     public: