From: nds <nds@opencascade.com>
Date: Mon, 7 Sep 2015 13:20:18 +0000 (+0300)
Subject: #878 Segmentation fault when setting distance on the two same points
X-Git-Tag: V_1.4.0_beta4~89
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=20d233731eaae06b9a75280a2ca675bc9a11cc72;p=modules%2Fshaper.git

#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 6b1dd6bec..7eeee4267 100644
--- 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);