#include "stdafx.h"
#include "windows.h"
#include "iostream"
#include "stdio.h"

using namespace std;

int main (int argc, _TCHAR* argv[])
{
   HANDLE src;
   src = CreateFile (
       "C:\\work\\abc.dat", // pointer to name of the file
       GENERIC_READ | GENERIC_WRITE, // access (read-write) mode
       0, // share mode
       NULL, // pointer to security attributes
       OPEN_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 (src != INVALID_HANDLE_VALUE)
	{
       std::cout << "Soubor otevren" << std::endl;

	   HANDLE m;
	   m = CreateFileMapping 
		   (src, // file handle
            NULL, // pointer to security attributes
			PAGE_READWRITE, // protection
			0, // size high
			16 * 1024, // size low
			NULL // mapping name
			);

	   if (m != NULL)
	   {
          std::cout << "Zobrazeni vytvoreno" << std::endl;

		  void * p;
		  p = MapViewOfFile 
			  (m, // file mapping
			   FILE_MAP_WRITE | FILE_MAP_READ, // access
			   0, // offset high 
			   0, // offset low
			   8 * 1024 // length
			   );

		  if (p != NULL)
		  {
             std::cout << "View je pripraveno" << std::endl;
			 char * c = (char *) p;
			 *c = 'A';
			 c++;
			 *c = 'B';
			 c++;
			 *c = 'C';
			 UnmapViewOfFile (m);
		  }

    	  CloseHandle (m);
	   }

		    
  	   CloseHandle (src);
	}

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

	return 0;
}