loplugin:unusedvarsglobal

tackle some read-only vars.
Mark some of them const to make it obvious they are not really used, and
to make the constantparam plugin see more data.

Change-Id: Ia25927745866746aa1aa9d5affd5857ad9f9ee24
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/100895
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

5 files changed, 11 insertions, 14 deletions

diff --git a/sc/source/core/data/stlpool.cxx b/sc/source/core/data/stlpool.cxx
index 8395315883f8..f2f337e56bad 100644
--- a/sc/source/core/data/stlpool.cxx
+++ b/sc/source/core/data/stlpool.cxx
@@ -212,7 +212,7 @@ void ScStyleSheetPool::CreateStandardStyles()
     Color           aColBlack   ( COL_BLACK );
     OUString        aStr;
     sal_Int32       nStrLen;
-    OUString        aHelpFile;//which text???
+    const OUString  aHelpFile;//which text???
     SfxItemSet*     pSet            = nullptr;
     SfxItemSet*     pHFSet          = nullptr;
     SvxSetItem*     pHFSetItem      = nullptr;
diff --git a/sc/source/filter/oox/querytablebuffer.cxx b/sc/source/filter/oox/querytablebuffer.cxx
index 8d5ec052d139..883e0cd90041 100644
--- a/sc/source/filter/oox/querytablebuffer.cxx
+++ b/sc/source/filter/oox/querytablebuffer.cxx
@@ -246,14 +246,13 @@ void QueryTable::finalizeImport()
         PropertySet aDocProps( getDocument() );
         Reference< XAreaLinks > xAreaLinks( aDocProps.getAnyProperty( PROP_AreaLinks ), UNO_QUERY_THROW );
         CellAddress aDestPos( aDestRange.aStart.Tab(), aDestRange.aStart.Col(), aDestRange.aStart.Row() );
-        OUString aFilterName = "calc_HTML_WebQuery";
-        OUString aFilterOptions;
-        xAreaLinks->insertAtPosition( aDestPos, aFileUrl, aTables, aFilterName, aFilterOptions );
+        const OUString aFilterName = "calc_HTML_WebQuery";
+        xAreaLinks->insertAtPosition( aDestPos, aFileUrl, aTables, aFilterName, /*aFilterOptions*/"" );
         // set refresh interval (convert minutes to seconds)
         sal_Int32 nRefreshPeriod = xConnection->getModel().mnInterval * 60;
         if( nRefreshPeriod > 0 )
         {
-            PropertySet aPropSet( lclFindAreaLink( xAreaLinks, aDestRange.aStart, aFileUrl, aTables, aFilterName, aFilterOptions ) );
+            PropertySet aPropSet( lclFindAreaLink( xAreaLinks, aDestRange.aStart, aFileUrl, aTables, aFilterName, /*aFilterOptions*/"" ) );
             aPropSet.setProperty( PROP_RefreshPeriod, nRefreshPeriod );
         }
     }
diff --git a/sc/source/filter/xml/xmlexprt.cxx b/sc/source/filter/xml/xmlexprt.cxx
index 1c35e014a6c8..d2f7250f8a95 100644
--- a/sc/source/filter/xml/xmlexprt.cxx
+++ b/sc/source/filter/xml/xmlexprt.cxx
@@ -2142,7 +2142,7 @@ void ScXMLExport::AddStyleFromColumn(const uno::Reference<beans::XPropertySet>&
         aItr->maValue >>= rIsVisible;
     }
 
-    OUString sParent;
+    const OUString sParent;
     if (pOldName)
     {
         if (GetAutoStylePool()->AddNamed(*pOldName, XmlStyleFamily::TABLE_COLUMN, sParent, aPropStates))
@@ -2171,7 +2171,7 @@ void ScXMLExport::AddStyleFromRow(const uno::Reference<beans::XPropertySet>& xRo
     if(aPropStates.empty())
         return;
 
-    OUString sParent;
+    const OUString sParent;
     if (pOldName)
     {
         if (GetAutoStylePool()->AddNamed(*pOldName, XmlStyleFamily::TABLE_ROW, sParent, aPropStates))
diff --git a/sc/source/ui/app/inputhdl.cxx b/sc/source/ui/app/inputhdl.cxx
index 1eda36788038..5ffe1d83d205 100644
--- a/sc/source/ui/app/inputhdl.cxx
+++ b/sc/source/ui/app/inputhdl.cxx
@@ -3887,15 +3887,14 @@ void ScInputHandler::InputCommand( const CommandEvent& rCEvt )
                 if (eMode==SC_INPUT_NONE)
                     if (pTableView || pTopView)
                     {
-                        OUString aStrLoP;
                         if (pTableView)
                         {
-                            pTableView->GetEditEngine()->SetText( aStrLoP );
+                            pTableView->GetEditEngine()->SetText( "" );
                             pTableView->SetSelection( ESelection(0,0, 0,0) );
                         }
                         if (pTopView)
                         {
-                            pTopView->GetEditEngine()->SetText( aStrLoP );
+                            pTopView->GetEditEngine()->SetText( "" );
                             pTopView->SetSelection( ESelection(0,0, 0,0) );
                         }
                     }
diff --git a/sc/source/ui/pagedlg/areasdlg.cxx b/sc/source/ui/pagedlg/areasdlg.cxx
index c9221ac68b78..9726b70c4316 100644
--- a/sc/source/ui/pagedlg/areasdlg.cxx
+++ b/sc/source/ui/pagedlg/areasdlg.cxx
@@ -450,10 +450,9 @@ IMPL_LINK(ScPrintAreasDlg, Impl_BtnHdl, weld::Button&, rBtn, void)
     {
         if ( Impl_CheckRefStrings() )
         {
-            OUString        aStr;
-            SfxStringItem   aPrintArea( SID_CHANGE_PRINTAREA, aStr );
-            SfxStringItem   aRepeatRow( FN_PARAM_2, aStr );
-            SfxStringItem   aRepeatCol( FN_PARAM_3, aStr );
+            SfxStringItem   aPrintArea( SID_CHANGE_PRINTAREA, "" );
+            SfxStringItem   aRepeatRow( FN_PARAM_2, "" );
+            SfxStringItem   aRepeatCol( FN_PARAM_3, "" );
 
             // Printing area changed?