From a02b189f69fe0f28bbc8e84e2cc27fc008c563b1 Mon Sep 17 00:00:00 2001
From: Balleux Benjamin <benjamin.balleux@methodinthemadness.eu>
Date: Wed, 12 Apr 2017 16:11:37 +0200
Subject: [PATCH] Bug Fix : the previous commit made the program crash when an
 object has no parent

---
 src/ifcconvert/IfcConvert.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ifcconvert/IfcConvert.cpp b/src/ifcconvert/IfcConvert.cpp
index 3cc19786e5..cbe8caa896 100644
--- a/src/ifcconvert/IfcConvert.cpp
+++ b/src/ifcconvert/IfcConvert.cpp
@@ -604,8 +604,9 @@ int main(int argc, char** argv)
 			//Debug
 			//if (parent_object != NULL) std::cout << '\n' << "obj " << geom_object->unique_id() << " parent = " << parent_object->name() << " of type " << parent_object->type() << '\n';
 			//else std::cout << "No parent found : " << geom_object->unique_id() << " of type : " << geom_object->type();
-			
-			serializer->write(static_cast<const IfcGeom::TriangulationElement<real_t>*>(geom_object), parent_object);
+
+			if (parent_object != NULL) serializer->write(static_cast<const IfcGeom::TriangulationElement<real_t>*>(geom_object), parent_object);
+			else serializer->write(static_cast<const IfcGeom::TriangulationElement<real_t>*>(geom_object));
 		}
 		else
 		{