Resolves: fdo#49587 apparent loop in style hierarchy

Change-Id: I32317a1a6500377f7e7bb98d1dcc65ad86feb9a2

1 files changed, 8 insertions, 1 deletions

diff --git a/writerfilter/source/dmapper/DomainMapper_Impl.cxx b/writerfilter/source/dmapper/DomainMapper_Impl.cxx
index 5c33f7b516a7..a69e9115e4db 100644
--- a/writerfilter/source/dmapper/DomainMapper_Impl.cxx
+++ b/writerfilter/source/dmapper/DomainMapper_Impl.cxx
@@ -561,7 +561,14 @@ uno::Any DomainMapper_Impl::GetPropertyFromStyleSheet(PropertyIds eId)
             }
         }
         //search until the property is set or no parent is available
-        pEntry = GetStyleSheetTable()->FindParentStyleSheet(pEntry->sBaseStyleIdentifier);
+        StyleSheetEntryPtr pNewEntry = GetStyleSheetTable()->FindParentStyleSheet(pEntry->sBaseStyleIdentifier);
+
+        SAL_WARN_IF( pEntry == pNewEntry, "writerfilter", "circular loop in style hierarchy?");
+
+        if (pEntry == pNewEntry) //fdo#49587
+            break;
+
+        pEntry = pNewEntry;
     }
     return uno::Any();
 }