Operator new

From:
pm <pjemen@gmail.com>
Newsgroups:
microsoft.public.vc.language
Date:
Mon, 25 Jan 2010 14:08:30 +0100
Message-ID:
<u6a##9bnKHA.1304@TK2MSFTNGP06.phx.gbl>
Hi,

I have a problem to compile following code

class RCBase
{
   long mValue;
   virtual void Destroy(void) = 0;
   virtual void DeleteThis(void) = 0;
protected:
   RCBase(): mValue(1){};
public:
   virtual ~RCBase(void) {};
};

template<class T>
class RC_del : public RCBase
{
   T* mPtr;

   virtual void Destroy()
   {
     mPtr->~T();
     delete mPtr;
   }

   virtual void DeleteThis()
   {
     free( this );
   }
public:
   RC_del( T* aPx ) : RCBase() , mPtr( aPx ) {}
};

template <typename T>
class CPtr
{
   T* mPtr;
   RCBase* mCount;
public:
   CPtr(T* aPtr)
     : mPtr(NULL) , mCount(NULL)
   {
     if ( aPtr ){
       size_t rcSize = sizeof(RC_del<T>);
       RC_del<T>* prc = (RC_del<T>*)malloc( rcSize );
       if ( prc ){
         new( prc ) RC_del<T>( aPtr );
    mPtr = aPtr;
    mCount = prc;
       }
     }
   }
};

class Tt
{
   int ma;
   float mb;
public:
   Tt() : ma(12) , mb(3.14f) {}
};

int _tmain(int argc, _TCHAR* argv[])
{
   Tt* p = new Tt();
   CPtr<Tt> v2(p);
   return 0;
}

I get error error C2661: 'operator new' : no overloaded function takes 2
arguments for line new( prc ) RC_del<T>( aPtr );
I just want to call constructor.

Any suggestion.

PM-

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