#include <iostream>
#include <fstream>
#include <iterator>
#include <vector>

using namespace std;

int main()
{
    basic_fstream<uint32_t> file( "somefile.dat", ios::in|ios::binary );

    vector<uint32_t> buffer;
    buffer.assign( istream_iterator<uint32_t, uint32_t>( file ), istream_iterator<uint32_t, uint32_t>() );

    cout << buffer.size() << endl;

    return 0;
}

using namespace std;

struct x {};
namespace std {
template<class traits>
class basic_istream<x, traits> : public basic_ifstream<uint32_t>
{
public:
    explicit basic_istream<x, traits>(const wchar_t* _Filename,
        ios_base::openmode _Mode,
        int _Prot = (int)ios_base::_Openprot) : basic_ifstream<uint32_t>( _Filename, _Mode, _Prot ) {}

    basic_istream<x, traits>& operator>>(uint32_t& data)
    {
        read(&data, 1);
        return *this;
    }
};
} // namespace std

int main()
{
    basic_istream<x> file( "somefile.dat", ios::in|ios::binary );
    vector<uint32_t> buffer;
    buffer.assign( istream_iterator<uint32_t, x>( file ), istream_iterator<uint32_t, x>() );
    cout << buffer.size() << endl;
    return 0;
}

#include <fstream>
#include <iterator>
#include <vector>
#include <iostream>

struct rint // this class will allow us to read binary
{
  // ctors & assignment op allows implicit construction from uint
  rint () {}
  rint (unsigned int v) : val(v) {}
  rint (rint const& r) : val(r.val) {}
  rint& operator= (rint const& r) { this->val = r.val; return *this; }
  rint& operator= (unsigned int r) { this->val = r; return *this; }

  unsigned int val;

  // implicit conversion to uint from rint
  operator unsigned int& ()
  {
    return this->val;
  }
  operator unsigned int const& () const
  {
    return this->val;
  }
};

// reads a uints worth of chars into an rint
std::istream& operator>> (std::istream& is, rint& li)
{
  is.read(reinterpret_cast<char*>(&li.val), 4);
  return is;
}

// writes a uints worth of chars out of an rint
std::ostream& operator<< (std::ostream& os, rint const& li)
{
  os.write(reinterpret_cast<const char*>(&li.val), 4);
  return os;
}

int main (int argc, char *argv[])
{
  std::vector<int> V;

  // make sure the file is opened binary & the istream-iterator is
  // instantiated with rint; then use the usual copy semantics
  std::ifstream file(argv[1], std::ios::binary | std::ios::in);
  std::istream_iterator<rint> iter(file), end;
  std::copy(iter, end, std::back_inserter(V));

  for (int i = 0; i < V.size(); ++i)
    std::cout << std::hex << "0x" << V[i] << std::endl;

  // this will reverse the binary file at the uint level (on x86 with
  // g++ this is 32-bits at a time)
  std::ofstream of(argv[2], std::ios::binary | std::ios::out);
  std::ostream_iterator<rint> oter(of);
  std::copy(V.rbegin(), V.rend(), oter);

  return 0;
}

std::istream& operator>>(std::istream& in, uint32_t& data)
{
    in.read(&data, sizeof(data));
    return in;
}