#include <cstring>

template <class data_type> class buffer
{
         public:
                void add(data_type data, int len)
                {
                     memcpy(bufferdata, (void*)data, len);
                     //perform memcpy tasks
                }
                //buffer() { bufferdata = new char[2048]; }
                //~buffer() { delete bufferdata; }
         private:
                 void * bufferdata;
};