From 2f1373605447e46fccf4081701e21de153eecf11 Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Fri, 26 Oct 2018 17:19:39 +0300
Subject: [PATCH] Make TestIntersection work: no crash on remove of PaveFiller
 before all algorithm is destroyed.

---
 src/GeomAlgoAPI/GeomAlgoAPI_Intersection.cpp | 24 ++++++++++++--------
 src/GeomAlgoAPI/GeomAlgoAPI_Intersection.h   |  5 ++++
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.cpp
index 5793dbf0b..49b7fe423 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.cpp
@@ -27,10 +27,15 @@
 
 //==================================================================================================
 GeomAlgoAPI_Intersection::GeomAlgoAPI_Intersection(const ListOfShape& theObjects)
+  : myFiller(0)
 {
   build(theObjects);
 }
 
+GeomAlgoAPI_Intersection::~GeomAlgoAPI_Intersection() {
+  if (myFiller)
+    delete (BOPAlgo_PaveFiller*)myFiller;
+}
 //==================================================================================================
 void GeomAlgoAPI_Intersection::build(const ListOfShape& theObjects)
 {
@@ -53,21 +58,22 @@ void GeomAlgoAPI_Intersection::build(const ListOfShape& theObjects)
     }
   }
 
-  BOPAlgo_PaveFiller aDSFiller;
-  aDSFiller.SetArguments(anObjects);
+  BOPAlgo_PaveFiller* aDSFiller = new BOPAlgo_PaveFiller;
+  myFiller = aDSFiller;
+  aDSFiller->SetArguments(anObjects);
 
-  aDSFiller.SetRunParallel(false);
-  aDSFiller.SetNonDestructive(false);
-  aDSFiller.SetGlue(BOPAlgo_GlueOff);
+  aDSFiller->SetRunParallel(false);
+  aDSFiller->SetNonDestructive(false);
+  aDSFiller->SetGlue(BOPAlgo_GlueOff);
 
   // optimization for the issue #2399
   BOPAlgo_SectionAttribute theSecAttr(Standard_True,
                                       Standard_True,
                                       Standard_True);
-  aDSFiller.SetSectionAttribute(theSecAttr);
+  aDSFiller->SetSectionAttribute(theSecAttr);
 
-  aDSFiller.Perform();
-  if (aDSFiller.HasErrors()) {
+  aDSFiller->Perform();
+  if (aDSFiller->HasErrors()) {
     return;
   }
 
@@ -75,7 +81,7 @@ void GeomAlgoAPI_Intersection::build(const ListOfShape& theObjects)
   anOperation->SetRunParallel(false);
   anOperation->SetCheckInverted(true);
 
-  anOperation->PerformWithFiller(aDSFiller);
+  anOperation->PerformWithFiller(*aDSFiller); // it references a filler fields, so keep the filler
   if(anOperation->HasErrors()) {
     return;
   }
diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.h b/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.h
index 2ea3e0c14..bd0511769 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.h
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Intersection.h
@@ -31,15 +31,20 @@
 /// \brief Performs the intersection operations.
 class GeomAlgoAPI_Intersection : public GeomAlgoAPI_MakeShape
 {
+  void* myFiller; ///< store filler to avoid memory leaks
 public:
   /// \brief Constructor.
   /// \param[in] theObjects list of objects.
   /// \param[in] theTools list of tools.
   GEOMALGOAPI_EXPORT GeomAlgoAPI_Intersection(const ListOfShape& theObjects);
 
+  /// Destructor to erase the filler
+  GEOMALGOAPI_EXPORT virtual ~GeomAlgoAPI_Intersection();
+
 private:
   /// Builds resulting shape.
   void build(const ListOfShape& theObjects);
+
 };
 
 #endif
-- 
2.39.2