9 files changed, 12 insertions, 12 deletions
diff --git a/svx/source/accessibility/AccessibleControlShape.cxx b/svx/source/accessibility/AccessibleControlShape.cxx
index 28d2cdf3a001..ed04609bbfbd 100644
--- a/svx/source/accessibility/AccessibleControlShape.cxx
+++ b/svx/source/accessibility/AccessibleControlShape.cxx
@@ -67,7 +67,7 @@ namespace
     constexpr OUString LABEL_CONTROL_PROPERTY_NAME = u"LabelControl"_ustr;
 
     // return the property which should be used as AccessibleName
-    OUString lcl_getPreferredAccNameProperty( const Reference< XPropertySetInfo >& _rxPSI )
+    const OUString & lcl_getPreferredAccNameProperty( const Reference< XPropertySetInfo >& _rxPSI )
     {
         if ( _rxPSI.is() && _rxPSI->hasPropertyByName( LABEL_PROPERTY_NAME ) )
             return LABEL_PROPERTY_NAME;
diff --git a/svx/source/accessibility/charmapacc.cxx b/svx/source/accessibility/charmapacc.cxx
index 191f71efc4ad..0f1fbf2b7f42 100644
--- a/svx/source/accessibility/charmapacc.cxx
+++ b/svx/source/accessibility/charmapacc.cxx
@@ -55,7 +55,7 @@ SvxShowCharSetItem::~SvxShowCharSetItem()
     }
 }
 
-rtl::Reference<SvxShowCharSetItemAcc> SvxShowCharSetItem::GetAccessible()
+const rtl::Reference<SvxShowCharSetItemAcc> & SvxShowCharSetItem::GetAccessible()
 {
     if( !m_xItem.is() )
     {
diff --git a/svx/source/form/fmshimp.cxx b/svx/source/form/fmshimp.cxx
index 8fd0b05635d5..7f3e8f5a7956 100644
--- a/svx/source/form/fmshimp.cxx
+++ b/svx/source/form/fmshimp.cxx
@@ -431,7 +431,7 @@ namespace
     }
 
 
-    OUString getServiceNameByControlType(SdrObjKind nType)
+    const OUString & getServiceNameByControlType(SdrObjKind nType)
     {
         switch (nType)
         {
@@ -459,7 +459,7 @@ namespace
             case SdrObjKind::FormNavigationBar   : return FM_SUN_COMPONENT_NAVIGATIONBAR;
             default:;
         }
-        return OUString();
+        return EMPTY_OUSTRING;
     }
 
 }
diff --git a/svx/source/inc/charmapacc.hxx b/svx/source/inc/charmapacc.hxx
index 43ab846d5b6f..995aa97ae866 100644
--- a/svx/source/inc/charmapacc.hxx
+++ b/svx/source/inc/charmapacc.hxx
@@ -52,7 +52,7 @@ namespace svx
         SvxShowCharSetItem( SvxShowCharSet& rParent, SvxShowCharSetAcc* _pParent, sal_uInt16 _nPos );
         ~SvxShowCharSetItem();
 
-        rtl::Reference< SvxShowCharSetItemAcc > GetAccessible();
+        const rtl::Reference< SvxShowCharSetItemAcc > & GetAccessible();
     };
 
 
diff --git a/svx/source/inc/datanavi.hxx b/svx/source/inc/datanavi.hxx
index c3d0564a90f3..fe5a51508d1f 100644
--- a/svx/source/inc/datanavi.hxx
+++ b/svx/source/inc/datanavi.hxx
@@ -112,7 +112,7 @@ namespace svxform
 
         /** convert submission replace string from UI to API.
             Use 'none' as default. */
-        OUString toAPI( std::u16string_view rStr ) const
+        const OUString & toAPI( std::u16string_view rStr ) const
         {
             if( rStr == m_sDoc_UI )
                 return m_sDoc_API;
@@ -156,7 +156,7 @@ namespace svxform
         }
 
         /** convert from UI to API; put is default */
-        OUString toAPI( std::u16string_view rStr ) const
+        const OUString & toAPI( std::u16string_view rStr ) const
         {
             if( rStr == m_sGet_UI )
                 return m_sGet_API;
diff --git a/svx/source/svdraw/svdmrkv.cxx b/svx/source/svdraw/svdmrkv.cxx
index d63556a50d3d..0c8e1c2f74bc 100644
--- a/svx/source/svdraw/svdmrkv.cxx
+++ b/svx/source/svdraw/svdmrkv.cxx
@@ -812,7 +812,7 @@ namespace
         {
         }
 
-        basegfx::B2DRange getTextBounds(const sdr::contact::ViewObjectContact &rVOC, sdr::contact::DisplayInfo &raDisplayInfo)
+        const basegfx::B2DRange & getTextBounds(const sdr::contact::ViewObjectContact &rVOC, sdr::contact::DisplayInfo &raDisplayInfo)
         {
             this->process(rVOC.getPrimitive2DSequence(raDisplayInfo));
             return maTextRange;
diff --git a/svx/source/svdraw/svdoole2.cxx b/svx/source/svdraw/svdoole2.cxx
index 3212314f4ade..e744fc613a27 100644
--- a/svx/source/svdraw/svdoole2.cxx
+++ b/svx/source/svdraw/svdoole2.cxx
@@ -1914,7 +1914,7 @@ bool SdrOle2Obj::IsCalc() const
         || SvGlobalName(SO3_SC_CLASSID) == aObjClsId;
 }
 
-uno::Reference< frame::XModel > SdrOle2Obj::GetParentXModel() const
+const uno::Reference< frame::XModel > & SdrOle2Obj::GetParentXModel() const
 {
     return getSdrModelFromSdrObject().getUnoModel();
 }
diff --git a/svx/source/table/svdotable.cxx b/svx/source/table/svdotable.cxx
index b300c4284c38..455d561f283a 100644
--- a/svx/source/table/svdotable.cxx
+++ b/svx/source/table/svdotable.cxx
@@ -912,7 +912,7 @@ Reference< XTable > SdrTableObj::getTable() const
     return mpImpl->mxTable;
 }
 
-rtl::Reference< TableModel > SdrTableObj::getUnoTable() const
+const rtl::Reference< TableModel > & SdrTableObj::getUnoTable() const
 {
     return mpImpl->mxTable;
 }
diff --git a/svx/source/tbxctrls/PaletteManager.cxx b/svx/source/tbxctrls/PaletteManager.cxx
index 15799432eedf..894d38808f84 100644
--- a/svx/source/tbxctrls/PaletteManager.cxx
+++ b/svx/source/tbxctrls/PaletteManager.cxx
@@ -350,12 +350,12 @@ OUString PaletteManager::GetPaletteName()
     return aNames[mnCurrentPalette];
 }
 
-OUString PaletteManager::GetSelectedPalettePath()
+const OUString & PaletteManager::GetSelectedPalettePath()
 {
     if (mnCurrentPalette < m_Palettes.size() && mnCurrentPalette != 0)
         return m_Palettes[mnCurrentPalette - 1]->GetPath();
     else
-        return OUString();
+        return EMPTY_OUSTRING;
 }
 
 tools::Long PaletteManager::GetColorCount() const