X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSMESHUtils%2FSMESH_Block.cxx;h=0d7eed4a74cd7c1dd1b4918d4920ea1405134eb9;hb=25b7d7ffe76e153c93cb67055192b11b16c3d0e2;hp=4f7bc42cfe03790bece2f80f7625f8512a720a4a;hpb=53a2fb6d670a8c71eb30dfa339447a25cd728e80;p=modules%2Fsmesh.git

diff --git a/src/SMESHUtils/SMESH_Block.cxx b/src/SMESHUtils/SMESH_Block.cxx
index 4f7bc42cf..0d7eed4a7 100644
--- a/src/SMESHUtils/SMESH_Block.cxx
+++ b/src/SMESHUtils/SMESH_Block.cxx
@@ -166,7 +166,7 @@ void SMESH_Block::TFace::Set( const int          faceID,
   // pcurves
   vector< int > edgeIdVec;
   GetFaceEdgesIDs( faceID, edgeIdVec );
-  for ( int iE = 0; iE < edgeIdVec.size(); iE++ ) // loop on 4 edges
+  for ( size_t iE = 0; iE < edgeIdVec.size(); iE++ ) // loop on 4 edges
   {
     myCoordInd[ iE ] = GetCoordIndOnEdge( edgeIdVec[ iE ] );
     if ( myC2d[ iE ]) delete myC2d[ iE ];
@@ -1799,8 +1799,11 @@ bool SMESH_Block::FindBlockShapes(const TopoDS_Shell&         theShell,
     for (  ; eIt.More(); eIt.Next() ) {
       const TopoDS_Edge& e = TopoDS::Edge( eIt.Value() );
       TopoDS_Vertex v = TopExp::FirstVertex( e );
-      if ( v.IsSame( V000 ))
+      if ( v.IsSame( V000 )) {
         v = TopExp::LastVertex( e );
+        if ( v.IsSame( V000 ))
+          return false;
+      }
       val = dir001 * gp_Vec( p000, BRep_Tool::Pnt( v )).Normalized();
       if ( val > maxVal ) {
         V001 = v;
@@ -2080,7 +2083,7 @@ bool SMESH_Block::LoadFace(const TopoDS_Face& theFace,
   bool isForward[4];
   vector< int > edgeIdVec;
   GetFaceEdgesIDs( theFaceID, edgeIdVec );
-  for ( int iE = 0; iE < edgeIdVec.size(); iE++ ) // loop on 4 edges
+  for ( size_t iE = 0; iE < edgeIdVec.size(); iE++ ) // loop on 4 edges
   {
     if ( edgeIdVec[ iE ] > theShapeIDMap.Extent() )
       return false;