From 229b123798f33e5e1529114265efa53a631abafe Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sun, 9 Oct 2016 12:45:17 +0200
Subject: [PATCH] Fix potential segfault in hierarchy helper

---
 src/ifcparse/IfcHierarchyHelper.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ifcparse/IfcHierarchyHelper.cpp b/src/ifcparse/IfcHierarchyHelper.cpp
index b97013a328..e73b698f8d 100644
--- a/src/ifcparse/IfcHierarchyHelper.cpp
+++ b/src/ifcparse/IfcHierarchyHelper.cpp
@@ -522,6 +522,9 @@ IfcSchema::IfcGeometricRepresentationContext* IfcHierarchyHelper::getRepresentat
 	if (it != contexts.end()) return it->second;
 	else {
 		IfcSchema::IfcProject* project = getSingle<IfcSchema::IfcProject>();
+		if (!project) {
+			project = addProject();
+		}
 		IfcSchema::IfcRepresentationContext::list::ptr project_contexts = project->RepresentationContexts();
 		IfcSchema::IfcGeometricRepresentationContext* context = new IfcSchema::IfcGeometricRepresentationContext(
 			boost::none, s, 3, 1e-5, addPlacement3d(), addDoublet<IfcSchema::IfcDirection>(0, 1));