loplugin: unused return values

Change-Id: I4eb1f0c9245c04058fd5e47046f043f8840a79c7
Reviewed-on: https://gerrit.libreoffice.org/21628
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

3 files changed, 9 insertions, 34 deletions

diff --git a/include/vcl/pdfwriter.hxx b/include/vcl/pdfwriter.hxx
index 9d7304dc6be5..697ae91a4c3c 100644
--- a/include/vcl/pdfwriter.hxx
+++ b/include/vcl/pdfwriter.hxx
@@ -683,11 +683,8 @@ The following structure describes the permissions used in PDF security
         resets the graphics state: MapMode, Font
         Colors and other state information MUST
         be set again or are undefined.
-
-        @returns
-        returns the page id of the new page
     */
-    sal_Int32 NewPage( sal_Int32 nPageWidth = 0, sal_Int32 nPageHeight = 0, Orientation eOrientation = Inherit );
+    void NewPage( sal_Int32 nPageWidth = 0, sal_Int32 nPageHeight = 0, Orientation eOrientation = Inherit );
     /** Play a metafile like an outputdevice would do
     */
     struct PlayMetafileContext
@@ -959,12 +956,8 @@ The following structure describes the permissions used in PDF security
 
         @param nDestId
         the dest the link shall point to
-        @returns
-        0 for success
-        -1 in case the link id does not exist
-        -2 in case the dest id does not exist
     */
-    sal_Int32           SetLinkDest( sal_Int32 nLinkId, sal_Int32 nDestId );
+    void           SetLinkDest( sal_Int32 nLinkId, sal_Int32 nDestId );
     /** Set the URL for a link
         will change a dest type link to an URL type link if necessary
         @param nLinkId
@@ -974,12 +967,8 @@ The following structure describes the permissions used in PDF security
         the URL the link shall point to.
         The URL will be parsed (and corrected) by the com.sun.star.util.URLTransformer
         service; the result will then appear literally in the PDF file produced
-
-        @returns
-        0 for success
-        -1 in case the link id does not exist
     */
-    sal_Int32           SetLinkURL( sal_Int32 nLinkId, const OUString& rURL );
+    void           SetLinkURL( sal_Int32 nLinkId, const OUString& rURL );
     /** Resolve link in logical structure
 
         If a link is created after the corresponding visual appearance was drawn
@@ -1033,12 +1022,8 @@ The following structure describes the permissions used in PDF security
     @param nNewParent
     specifies which outline item will be the item's new parent.
     Use 0 for reparenting to top level.
-
-    @returns
-    -1 if the item does not exist
-    -2 if the new parent does not exist, item will be reparented to top level.
     */
-    sal_Int32 SetOutlineItemParent( sal_Int32 nItem, sal_Int32 nNewParent );
+    void SetOutlineItemParent( sal_Int32 nItem, sal_Int32 nNewParent );
 
     /** Set an outline item's title text
 
@@ -1047,12 +1032,8 @@ The following structure describes the permissions used in PDF security
 
     @param rText
     sets the title text of the item
-
-    @returns
-    0 if the item exists and the text was changed
-    -1 if the item does not exist
     */
-    sal_Int32 SetOutlineItemText( sal_Int32 nItem, const OUString& rText );
+    void SetOutlineItemText( sal_Int32 nItem, const OUString& rText );
 
     /** Set an outline item's destination
 
@@ -1061,12 +1042,8 @@ The following structure describes the permissions used in PDF security
 
     @param nDestID
     specifies the item's new destination
-
-    @returns
-    -1 if the item does not exist
-    -2 if the new dest does not exist, dest will remain unchanged
     */
-    sal_Int32 SetOutlineItemDest( sal_Int32 nItem, sal_Int32 nDestID );
+    void SetOutlineItemDest( sal_Int32 nItem, sal_Int32 nDestID );
 
     /** Create a new note on a page
 
diff --git a/include/vcl/slider.hxx b/include/vcl/slider.hxx
index e418357de6d4..cb0d226542b9 100644
--- a/include/vcl/slider.hxx
+++ b/include/vcl/slider.hxx
@@ -75,8 +75,8 @@ private:
     SAL_DLLPRIVATE long ImplSlide( long nNewPos, bool bCallEndSlide );
     SAL_DLLPRIVATE long ImplDoAction( bool bCallEndSlide );
     SAL_DLLPRIVATE void ImplDoMouseAction( const Point& rPos, bool bCallAction = true );
-    SAL_DLLPRIVATE long ImplDoSlide( long nNewPos );
-    SAL_DLLPRIVATE long ImplDoSlideAction( ScrollType eScrollType );
+    SAL_DLLPRIVATE void ImplDoSlide( long nNewPos );
+    SAL_DLLPRIVATE void ImplDoSlideAction( ScrollType eScrollType );
     SAL_DLLPRIVATE void ImplUpdateLinkedField();
 
 public:
diff --git a/include/vcl/svapp.hxx b/include/vcl/svapp.hxx
index 5e4db812ab65..2b7fe62e0bb7 100644
--- a/include/vcl/svapp.hxx
+++ b/include/vcl/svapp.hxx
@@ -429,11 +429,9 @@ public:
 
      @param nError      The error code identifier
 
-     @returns sal_uInt16 value - if it is 0, then the error wasn't handled.
-
      @see Abort
     */
-    virtual sal_uInt16          Exception( sal_uInt16 nError );
+    virtual void          Exception( sal_uInt16 nError );
 
     /** Ends the program prematurely with an error message.