#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <conio.h>
#include <iostream>
#include <tchar.h>
#include <string.h>

using namespace std;

#define BUF_SIZE 256
TCHAR szName[] = TEXT("Global\\MyFileMappingObject");

int _tmain()
{
	HANDLE hMapFile;
	LPCTSTR pBuf;

	hMapFile = CreateFileMapping(
		INVALID_HANDLE_VALUE,    // use paging file
		NULL,                    // default security
		PAGE_READWRITE,          // read/write access
		0,                       // maximum object size (high-order DWORD)
		BUF_SIZE,                // maximum object size (low-order DWORD)
		szName);                 // name of mapping object

	if (hMapFile == NULL)
	{
		_tprintf(TEXT("Could not create file mapping object (%d).\n"),
			GetLastError());
		return 1;
	}
	pBuf = (LPTSTR)MapViewOfFile(hMapFile,   // chwytak do  obiektu
		FILE_MAP_ALL_ACCESS, // read/write pozwolenie
		0,		//gorny rozmar
		0,	//dolny rozmoar
		BUF_SIZE);	// max ilsoc

	if (pBuf == NULL)
	{
		_tprintf(TEXT("Could not map view of file (%d).\n"),
			GetLastError());

		CloseHandle(hMapFile);

		return 1;
	}


	//_getch();

	while (1)
	{
		char arr[5] = { 'a', 'b', 'c', 'd', 'e' };
		char *ptr = arr;
		TCHAR szMsg[] = TEXT(&ptr);
		CopyMemory((PVOID)pBuf, szMsg, (_tcslen(szMsg) * sizeof(TCHAR))); // gdzie , skąd , ile

	}

	UnmapViewOfFile(pBuf);

	CloseHandle(hMapFile);

	return 0;
}