loplugin:useuniqueptr in XclExpChTrTabId

and write the buffer in one go in SaveCont

Change-Id: Id41bb132ff3b4176b1fcb1798d10191c3d45fffc
Reviewed-on: https://gerrit.libreoffice.org/57298
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sc/source/filter/inc/XclExpChangeTrack.hxx

@@ -319,10 +319,10 @@ public:
 class XclExpChTrTabId : public ExcRecord
 {
 private:
-    sal_uInt16*                 pBuffer;
+    std::unique_ptr<sal_uInt16> pBuffer;
     sal_uInt16                  nTabCount;
 
-    void                 Clear() { delete[] pBuffer; pBuffer = nullptr; }
+    void                 Clear() { pBuffer.reset(); }
 
     virtual void                SaveCont( XclExpStream& rStrm ) override;
 

sc/source/filter/xcl97/XclExpChangeTrack.cxx

@@ -609,8 +609,8 @@ void XclExpChTrTabIdBuffer::Remove()
 XclExpChTrTabId::XclExpChTrTabId( const XclExpChTrTabIdBuffer& rBuffer )
     : nTabCount( rBuffer.GetBufferCount() )
 {
-    pBuffer = new sal_uInt16[ nTabCount ];
-    rBuffer.GetBufferCopy( pBuffer );
+    pBuffer.reset( new sal_uInt16[ nTabCount ] );
+    rBuffer.GetBufferCopy( pBuffer.get() );
 }
 
 XclExpChTrTabId::~XclExpChTrTabId()
@@ -622,16 +622,15 @@ void XclExpChTrTabId::Copy( const XclExpChTrTabIdBuffer& rBuffer )
 {
     Clear();
     nTabCount = rBuffer.GetBufferCount();
-    pBuffer = new sal_uInt16[ nTabCount ];
-    rBuffer.GetBufferCopy( pBuffer );
+    pBuffer.reset( new sal_uInt16[ nTabCount ] );
+    rBuffer.GetBufferCopy( pBuffer.get() );
 }
 
 void XclExpChTrTabId::SaveCont( XclExpStream& rStrm )
 {
     rStrm.EnableEncryption();
     if( pBuffer )
-        for( sal_uInt16* pElem = pBuffer; pElem < (pBuffer + nTabCount); pElem++ )
-            rStrm << *pElem;
+        rStrm.Write(pBuffer.get(), nTabCount);
     else
         for( sal_uInt16 nIndex = 1; nIndex <= nTabCount; nIndex++ )
             rStrm << nIndex;