add SAL_WARN_UNUSED to some classes

Change-Id: Ibcc3ea7ebd60c46930f0c2419c8286fed9671061

basegfx/inc/basegfx/color/bcolor.hxx

@@ -54,7 +54,7 @@ namespace basegfx
 
         @see B3DTuple
     */
-    class BASEGFX_DLLPUBLIC BColor : public B3DTuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED BColor : public B3DTuple
     {
     public:
         /** Create a Color with red, green and blue components from [0.0 to 1.0]

basegfx/inc/basegfx/color/bcolormodifier.hxx

@@ -50,7 +50,7 @@ namespace basegfx
     /** Class to hold a color, value and mode for a color modification. Color modification is
         done calling the getModifiedColor() method
     */
-    class BASEGFX_DLLPUBLIC BColorModifier
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED BColorModifier
     {
     protected:
         ::basegfx::BColor                           maBColor;

basegfx/inc/basegfx/point/b2dpoint.hxx

@@ -48,7 +48,7 @@ namespace basegfx
 
         @see B2DTuple
     */
-    class B2DPoint : public ::basegfx::B2DTuple
+    class SAL_WARN_UNUSED B2DPoint : public ::basegfx::B2DTuple
     {
     public:
         /** Create a 2D Point

basegfx/inc/basegfx/point/b2ipoint.hxx

@@ -45,7 +45,7 @@ namespace basegfx
 
         @see B2ITuple
     */
-    class BASEGFX_DLLPUBLIC B2IPoint : public ::basegfx::B2ITuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B2IPoint : public ::basegfx::B2ITuple
     {
     public:
         /** Create a 2D Point

basegfx/inc/basegfx/point/b3dpoint.hxx

@@ -45,7 +45,7 @@ namespace basegfx
 
         @see B3DTuple
     */
-    class BASEGFX_DLLPUBLIC B3DPoint : public ::basegfx::B3DTuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B3DPoint : public ::basegfx::B3DTuple
     {
     public:
         /** Create a 3D Point

basegfx/inc/basegfx/point/b3ipoint.hxx

@@ -45,7 +45,7 @@ namespace basegfx
 
         @see B3ITuple
     */
-    class BASEGFX_DLLPUBLIC B3IPoint : public ::basegfx::B3ITuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B3IPoint : public ::basegfx::B3ITuple
     {
     public:
         /** Create a 3D Point

basegfx/inc/basegfx/tuple/b2dtuple.hxx

@@ -46,7 +46,7 @@ namespace basegfx
         @derive Use this class to implement Points or Vectors
         which are based on two double values
     */
-    class B2DTuple
+    class SAL_WARN_UNUSED B2DTuple
     {
     protected:
         double                                      mfX;

basegfx/inc/basegfx/tuple/b2i64tuple.hxx

@@ -44,7 +44,7 @@ namespace basegfx
         @derive Use this class to implement Points or Vectors
         which are based on two sal_Int64 values
     */
-    class BASEGFX_DLLPUBLIC B2I64Tuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B2I64Tuple
     {
     protected:
         sal_Int64                                       mnX;

basegfx/inc/basegfx/tuple/b2ituple.hxx

@@ -42,7 +42,7 @@ namespace basegfx
         @derive Use this class to implement Points or Vectors
         which are based on two sal_Int32 values
     */
-    class BASEGFX_DLLPUBLIC B2ITuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B2ITuple
     {
     protected:
         sal_Int32                                       mnX;

basegfx/inc/basegfx/tuple/b3dtuple.hxx

@@ -46,7 +46,7 @@ namespace basegfx
         @derive Use this class to implement Points or Vectors
         which are based on three double values
     */
-    class BASEGFX_DLLPUBLIC B3DTuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B3DTuple
     {
     protected:
         double                                      mfX;

basegfx/inc/basegfx/tuple/b3i64tuple.hxx

@@ -44,7 +44,7 @@ namespace basegfx
         @derive Use this class to implement Points or Vectors
         which are based on three sal_Int64 values
     */
-    class BASEGFX_DLLPUBLIC B3I64Tuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B3I64Tuple
     {
     protected:
         sal_Int64                                       mnX;

basegfx/inc/basegfx/tuple/b3ituple.hxx

@@ -43,7 +43,7 @@ namespace basegfx
         @derive Use this class to implement Points or Vectors
         which are based on three sal_Int32 values
     */
-    class BASEGFX_DLLPUBLIC B3ITuple
+    class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B3ITuple
     {
     protected:
         sal_Int32                                       mnX;

sal/inc/osl/mutex.hxx

@@ -38,7 +38,7 @@ namespace osl
 {
     /** A mutual exclusion synchronization object
     */
-    class Mutex {
+    class SAL_WARN_UNUSED Mutex {
 
     public:
         /** Create a thread-local mutex.

sal/inc/rtl/byteseq.h

@@ -167,7 +167,7 @@ enum __ByteSequence_NoAcquire
     To keep value semantics, copies are only generated if the sequence is to be modified
     (new handle).
 */
-class ByteSequence
+class SAL_WARN_UNUSED ByteSequence
 {
     /** sequence handle
     */

sw/inc/swrect.hxx

@@ -31,7 +31,7 @@
 #include <tools/gen.hxx>
 class SvStream;
 
-class SwRect
+class SAL_WARN_UNUSED SwRect
 {
     Point m_Point;
     Size m_Size;