loplugin:stringadd in xmloff

when applying my upcoming patch to also consider O[U]StringBuffer

Change-Id: Id38d983e59386554c61e9bdcd9333554bbf4665c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/149756
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 4 insertions, 9 deletions

diff --git a/xmloff/source/style/xmlnumfe.cxx b/xmloff/source/style/xmlnumfe.cxx
index 7d44f43342ef..a335f79ae23a 100644
--- a/xmloff/source/style/xmlnumfe.cxx
+++ b/xmloff/source/style/xmlnumfe.cxx
@@ -274,15 +274,10 @@ SvXMLNumFmtExport::~SvXMLNumFmtExport()
 
 static OUString lcl_CreateStyleName( sal_Int32 nKey, sal_Int32 nPart, bool bDefPart, std::u16string_view rPrefix )
 {
-    OUStringBuffer aFmtName(10);
-    aFmtName.append( rPrefix );
-    aFmtName.append( nKey );
-    if (!bDefPart)
-    {
-        aFmtName.append( 'P' );
-        aFmtName.append( nPart );
-    }
-    return aFmtName.makeStringAndClear();
+    if (bDefPart)
+        return rPrefix + OUString::number(nKey);
+    else
+        return rPrefix + OUString::number(nKey) + "P" + OUString::number( nPart );
 }
 
 void SvXMLNumFmtExport::AddCalendarAttr_Impl( const OUString& rCalendar )