loplugin:unusedmethods unused return value in basic

Change-Id: I0ccbf994d2c9be35f43fc3c62e60da90634bacdf

basic/source/classes/sbunoobj.cxx

@@ -4754,9 +4754,9 @@ Any StructRefInfo::getValue()
     return aRet;
 }
 
-bool StructRefInfo::setValue( const Any& rValue )
+void StructRefInfo::setValue( const Any& rValue )
 {
-    return uno_type_assignData( getInst(),
+    uno_type_assignData( getInst(),
        maType.getTypeLibType(),
        const_cast<void*>(rValue.getValue()),
        rValue.getValueTypeRef(),

basic/source/comp/buffer.cxx

@@ -151,17 +151,12 @@ void SbiBuffer::Chain( sal_uInt32 off )
     }
 }
 
-bool SbiBuffer::operator +=( sal_Int8 n )
+void SbiBuffer::operator +=( sal_Int8 n )
 {
     if( Check( 1 ) )
     {
         *pCur++ = (char) n;
         nOff += 1;
-        return true;
-    }
-    else
-    {
-        return false;
     }
 }
 
@@ -179,18 +174,13 @@ bool SbiBuffer::operator +=( sal_uInt8 n )
     }
 }
 
-bool SbiBuffer::operator +=( sal_Int16 n )
+void SbiBuffer::operator +=( sal_Int16 n )
 {
     if( Check( 2 ) )
     {
         *pCur++ = (char) ( n & 0xFF );
         *pCur++ = (char) ( n >> 8 );
         nOff += 2;
-        return true;
-    }
-    else
-    {
-        return false;
     }
 }
 
@@ -224,13 +214,13 @@ bool SbiBuffer::operator +=( sal_uInt32 n )
     }
 }
 
-bool SbiBuffer::operator +=( sal_Int32 n )
+void SbiBuffer::operator +=( sal_Int32 n )
 {
-    return operator +=( (sal_uInt32) n );
+    operator +=( (sal_uInt32) n );
 }
 
 
-bool SbiBuffer::operator +=( const OUString& n )
+void SbiBuffer::operator +=( const OUString& n )
 {
     sal_uInt32 len = n.getLength() + 1;
     if( Check( len ) )
@@ -239,11 +229,6 @@ bool SbiBuffer::operator +=( const OUString& n )
         memcpy( pCur, aByteStr.getStr(), len );
         pCur += len;
         nOff += len;
-        return true;
-    }
-    else
-    {
-        return false;
     }
 }
 

basic/source/inc/buffer.hxx

@@ -37,13 +37,13 @@ public:
    ~SbiBuffer();
     void Patch( sal_uInt32, sal_uInt32 );
     void Chain( sal_uInt32 );
-    bool operator += (const OUString&); // save basic-string
+    void operator += (const OUString&); // save basic-string
-    bool operator += (sal_Int8);        // save character
+    void operator += (sal_Int8);        // save character
-    bool operator += (sal_Int16);       // save integer
+    void operator += (sal_Int16);       // save integer
     bool operator += (sal_uInt8);       // save character
     bool operator += (sal_uInt16);      // save integer
     bool operator += (sal_uInt32);      // save integer
-    bool operator += (sal_Int32);       // save integer
+    void operator += (sal_Int32);       // save integer
     char*  GetBuffer();             // give out buffer (delete yourself!)
     sal_uInt32 GetSize()                { return nOff; }
 };

basic/source/inc/sbunoobj.hxx

@@ -59,7 +59,7 @@ public:
     bool isEmpty() { return (mnPos == -1); }
 
     css::uno::Any getValue();
-    bool setValue( const css::uno::Any& );
+    void setValue( const css::uno::Any& );
 };
 
 class SbUnoStructRefObject: public SbxObject

basic/source/sbx/sbxdec.cxx

@@ -349,7 +349,7 @@ bool SbxDecimal::getDouble( double& rVal )      { (void)rVal; return false; }
 
 #endif
 
-bool SbxDecimal::getString( OUString& rString )
+void SbxDecimal::getString( OUString& rString )
 {
 #ifdef WIN32
     static LCID nLANGID = MAKELANGID( LANG_ENGLISH, SUBLANG_ENGLISH_US );
@@ -390,7 +390,6 @@ bool SbxDecimal::getString( OUString& rString )
     return bRet;
 #else
     (void)rString;
-    return false;
 #endif
 }
 

basic/source/sbx/sbxdec.hxx

@@ -90,7 +90,7 @@ public:
     bool getULong( sal_uInt32& rVal );
     bool getSingle( float& rVal );
     bool getDouble( double& rVal );
-    bool getString( OUString& rString );
+    void getString( OUString& rString );
 
     bool operator -= ( const SbxDecimal &r );
     bool operator += ( const SbxDecimal &r );