// OpenFile.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "windows.h"
#include "iostream"
#include "stdio.h"
#include <fstream>

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
   ifstream in ("C:\\work\\abc.dat", ios_base::binary);
   ofstream out ("C:\\work\\def.dat", ios_base::binary);

   if (in.good() && out.good ())
   {
	   bool finished = false;
	   while (! finished)
	   {
		   const int step = 16*1024;
 		   char data [step];

		   in.read (data, step);
		   streamsize result = in.gcount();

		   if (result != 0)
			  out.write (data, result);
		   else
			  finished = true;
  		  
		  cout << "Data zapsana " << result << endl;
	   }
   }
   in.close ();
   out.close ();
   #if 0
   // printf ("Opening file\n");
   HANDLE src;
   src = CreateFile (
       "C:\\work\\abc.dat", // pointer to name of the file
       GENERIC_READ, // access (read-write) mode
       0, // share mode
       NULL, // pointer to security attributes
       OPEN_EXISTING, // how to create
       FILE_ATTRIBUTE_NORMAL,	// file attributes
       NULL 	// handle to file with attributes to copy
       );

   HANDLE dst;
   dst = CreateFile (
       "C:\\work\\def.dat", // pointer to name of the file
       GENERIC_WRITE, // access (read-write) mode
       0, // share mode
       NULL, // pointer to security attributes
       CREATE_ALWAYS, // how to create
       FILE_ATTRIBUTE_NORMAL,	// file attributes
       NULL 	// handle to file with attributes to copy
       );

    if (src == INVALID_HANDLE_VALUE)
       std::cout << "Nelze otevrit zdrojovy soubor" << std::endl;

	if (dst == INVALID_HANDLE_VALUE)
       std::cout << "Nelze otevrit cilovy soubor" << std::endl;

    if (src != INVALID_HANDLE_VALUE &&
		dst != INVALID_HANDLE_VALUE)
	{
       std::cout << "Soubory otevreny" << std::endl;
	    
	   const int step = 16*1024;
 	   char data [step];
  	   DWORD result;

	   BOOL finished = false;
	   while (! finished)
	   {
   		   BOOL ok = ReadFile (src, data, step, &result, NULL);
  	       if (! ok)
              std::cout << "Chyba pri cteni" << std::endl;

		   if (ok && result != 0)
		   {
   			  DWORD answer;
  			  ok = WriteFile (dst, // handle
							  data, // pointer to data
				    		  result, // number of bytes
							  & answer,
							  NULL);

			 if (ok && result == answer)
				std::cout << "Data zapsana " << answer << std::endl;
			 else
				std::cout << "Chyba pri zapisu" << std::endl;
		   }
		   else
		   {
			   finished = true;
		   }
	   }
	}

    if (src != INVALID_HANDLE_VALUE)
	  CloseHandle (src);

	if (dst != INVALID_HANDLE_VALUE)
	  CloseHandle (dst);
    #endif

	// int wait;
	// std::cout.flush();
	// std::cin >> wait;
	std::cout << "Konec programu" << std::endl;
	char * str = new char [11];
	std::cin.read(str, 10);

	return 0;
}