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

#include <stdafx.h>
#include <stdio.h>
#include <malloc.h>
#include <iostream>
#include <windows.h>


int _tmain(int argc, _TCHAR* argv[])
{
   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 &&
		dst != INVALID_HANDLE_VALUE )
	{
       std::cout << "Soubor otevren" << std::endl;

	   const DWORD size = 64*1024;
	   char buf [size];
	   DWORD answer;
	   BOOL ok;

	   do
	   {
  	      ok = ReadFile (src, buf, size, &answer, NULL);
	      if (ok)
	      {
      	     DWORD result;
	         ok = WriteFile (dst, buf, answer, &result, NULL);
	         if (ok && answer != result)
				 ok = FALSE;
          }
	   } while (answer != 0 && ok);

 	      if (! ok)
             std::cout << "Chyba pri zapisu" << std::endl;
		  else 
             std::cout << "Zapsano" << std::endl;

	   CloseHandle (src);
	   CloseHandle (dst);
	}

	char * str = new char [11];
	std::cin.getline(str, 10);

	return 0;
}