From 629d5cc1fe193c88d1dfefccd000bfc7cd6f9fc0 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 2 Mar 2014 18:16:16 +0100
Subject: [PATCH] + fixes #0001318: Crash when exporting .step file

---
 src/Mod/Import/App/ImportOCAF.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Mod/Import/App/ImportOCAF.cpp b/src/Mod/Import/App/ImportOCAF.cpp
index 60b601c72..62ad588dc 100644
--- a/src/Mod/Import/App/ImportOCAF.cpp
+++ b/src/Mod/Import/App/ImportOCAF.cpp
@@ -279,6 +279,8 @@ ExportOCAF::ExportOCAF(Handle_TDocStd_Document h)
 void ExportOCAF::saveShape(Part::Feature* part, const std::vector<App::Color>& colors)
 {
     const TopoDS_Shape& shape = part->Shape.getValue();
+    if (shape.IsNull())
+        return;
 
     // Add shape and name
     //TDF_Label shapeLabel = hShapeTool->AddShape(shape, Standard_False);