#include "stdafx.h"
#include "windows.h"
#include "iostream"
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    HANDLE f = CreateFile 
                ("c:\\work\\zc\\abc.txt",
                 GENERIC_READ | GENERIC_WRITE,
                 0, // share mode
                 NULL, // security,
                 OPEN_ALWAYS,
                 FILE_ATTRIBUTE_NORMAL, // flags
                 NULL); // template

    if (f != INVALID_HANDLE_VALUE)
    {
        cout << "Otevreno" << endl;

        HANDLE m = 
            CreateFileMapping
            (f, // file handle
             NULL, // security
             PAGE_READWRITE, // protection
             0, // size high
             16*1024, // size low
             NULL ); // name

        if (m != NULL)
        {
           cout << "Vytvoreno zobrazeni" << endl;

           void * p =
              MapViewOfFile 
              (m, // file mapping
               FILE_MAP_READ | FILE_MAP_WRITE, 
               0, // position high
               0, // position low
               4*1024); // size

           if (p != NULL)
           {
              cout << "Zobrazeno do pameti" << endl;
              char * t = (char *) p;
              t[0] = 'A';
              t[1] = 'B';
              t[2] = 'C';
              UnmapViewOfFile (p);
           }


           CloseHandle (m);
        }

        CloseHandle (f);
    }

    cout << "Stiskni enter" << endl;
    char c;
    cin >> c;

	return 0;
}