#878 Segmentation fault when setting distance on the two same points

Crash by click in the same point, caused by OCCT dir2d

diff --git a/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp b/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp
index 6b1dd6bece6a3310ce855309214503d4fb86bdb9..7eeee42670cd1c92051ff22e969147ea675eb403 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp
+++ b/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp
@@ -277,6 +277,9 @@ void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
     } else
       return;
 
+    if (aEndPnt->distance(aStartPnt) < tolerance)
+      return;
+
     std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
     std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);