Mesh: [skip ci] fix crash in mesh segmentation

2020-02-01 18:59:00 +01:00
parent ec192862b2
commit 873d42c88b
1 changed files with 4 additions and 1 deletions
--- a/src/Mod/Mesh/App/Core/Segmentation.cpp
+++ b/src/Mod/Mesh/App/Core/Segmentation.cpp
@@ -493,7 +493,10 @@ void MeshSegmentAlgorithm::FindSegments(std::vector<MeshSurfaceSegment*>& segm)

        iCur = std::find_if(iBeg, iEnd, std::bind2nd(MeshCore::MeshIsNotFlag<MeshCore::MeshFacet>(),
            MeshCore::MeshFacet::VISIT));
-        startFacet = iCur - iBeg;
+        if (iCur < iEnd)
+            startFacet = iCur - iBeg;
+        else
+            startFacet = ULONG_MAX;
        while (startFacet != ULONG_MAX) {
            // collect all facets of the same geometry
            std::vector<unsigned long> indices;