From: ichesnok <ichesnok@opencascade.com>
Date: Thu, 18 Jan 2024 13:55:38 +0000 (+0000)
Subject: 0032980: Data Exchange - STEP import produce a crash
X-Git-Tag: V7_8_1~16
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=ee8f2ea3c22b1aa497cdace9cd6634630d142215;p=occt.git

0032980: Data Exchange - STEP import produce a crash

Check on null for loop added
---

diff --git a/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx b/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx
index 4c0462a2c6..8e9804c5b7 100644
--- a/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx
+++ b/src/StepToTopoDS/StepToTopoDS_TranslateFace.cxx
@@ -545,7 +545,10 @@ void StepToTopoDS_TranslateFace::Init(const Handle(StepShape_FaceSurface)& FS,
 #endif    
     FaceBound = FS->BoundsValue(i);
     Loop      = FaceBound->Bound();
-    
+    if (Loop.IsNull())
+    {
+      continue;
+    }
     // ------------------------
     // The Loop is a VertexLoop
     // ------------------------