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0027706: Foundation Classes - OSD_Path::DownTrek() crashes on empty argument

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a required check added
This commit is contained in:
ibs 2016-07-22 16:02:30 +03:00 committed by bugmaster
parent 07ef8bdfa2
commit 4c6b4bc75a
1 changed files with 1 additions and 1 deletions
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src/OSD/OSD_Path.cxx
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@ -1085,7 +1085,7 @@ void OSD_Path :: DownTrek ( const TCollection_AsciiString& aName ) {
Standard_Integer pos = myTrek.Length (); Standard_Integer pos = myTrek.Length ();
if ( aName.Value ( 1 ) != '|' && if ( !aName.IsEmpty() && aName.Value ( 1 ) != '|' &&
pos && pos &&
myTrek.Value ( pos ) != '|' myTrek.Value ( pos ) != '|'
) )