clang-tidy performance-unnecessary-value-param in vcl

Change-Id: I0b53c4bf5b4619cde357cf4eb432b153b1f7e6b5

4 files changed, 4 insertions, 4 deletions

diff --git a/include/vcl/ctrl.hxx b/include/vcl/ctrl.hxx
index c72a0d334270..ae3266f0b386 100644
--- a/include/vcl/ctrl.hxx
+++ b/include/vcl/ctrl.hxx
@@ -72,7 +72,7 @@ protected:
             if the Control instance has been destroyed in any of the call
     */
     bool        ImplCallEventListenersAndHandler(
-                    sal_uLong nEvent, std::function<void()> callHandler
+                    sal_uLong nEvent, std::function<void()> const & callHandler
                 );
 
     /** draws the given text onto the given device
diff --git a/include/vcl/implimagetree.hxx b/include/vcl/implimagetree.hxx
index 154b56ac7007..95fca467ce97 100644
--- a/include/vcl/implimagetree.hxx
+++ b/include/vcl/implimagetree.hxx
@@ -104,7 +104,7 @@ private:
 
     void loadImageLinks();
 
-    void parseLinkFile(std::shared_ptr<SvStream> stream);
+    void parseLinkFile(std::shared_ptr<SvStream> const & stream);
 
     /// Return name of a real .png according to links.txt.
     OUString const & getRealImageName(OUString const & name);
diff --git a/include/vcl/longcurr.hxx b/include/vcl/longcurr.hxx
index 48eca605c0f4..7c03c0fd190a 100644
--- a/include/vcl/longcurr.hxx
+++ b/include/vcl/longcurr.hxx
@@ -30,7 +30,7 @@ class LocaleDataWrapper;
 class VCL_DLLPUBLIC LongCurrencyFormatter : public FormatterBase
 {
 private:
-    SAL_DLLPRIVATE friend bool ImplLongCurrencyReformat( const OUString&, BigInt, BigInt, sal_uInt16, const LocaleDataWrapper&, OUString&, LongCurrencyFormatter& );
+    SAL_DLLPRIVATE friend bool ImplLongCurrencyReformat( const OUString&, BigInt const &, BigInt const &, sal_uInt16, const LocaleDataWrapper&, OUString&, LongCurrencyFormatter& );
     SAL_DLLPRIVATE void        ImpInit();
 
 protected:
diff --git a/include/vcl/slider.hxx b/include/vcl/slider.hxx
index 4f035b1c1571..3112d002c325 100644
--- a/include/vcl/slider.hxx
+++ b/include/vcl/slider.hxx
@@ -109,7 +109,7 @@ public:
 
     Size            CalcWindowSizePixel();
 
-    void            SetLinkedField(VclPtr<NumericField> pField);
+    void            SetLinkedField(VclPtr<NumericField> const & pField);
 
     void            SetSlideHdl( const Link<Slider*,void>& rLink ) { maSlideHdl = rLink; }
     void            SetEndSlideHdl( const Link<Slider*,void>& rLink ) { maEndSlideHdl = rLink; }