reactos/modules/rostests/tests/sectest/sectest.c

#define UNICODE
#define _UNICODE
#include <windows.h>
#include <stdio.h>
#include <string.h>

#include <tchar.h>

int main(int argc, char* argv[])
{
  HANDLE hFile;
  HANDLE Section;
  PVOID BaseAddress;

  printf("Section Test\n");

  hFile = CreateFile(_T("sectest.txt"),
		     GENERIC_READ | GENERIC_WRITE,
		     0,
		     NULL,
		     CREATE_ALWAYS,
		     0,
		     0);
  if (hFile == INVALID_HANDLE_VALUE)
    {
      printf("Failed to create file (err=%ld)", GetLastError());
      return 1;
    }

  Section = CreateFileMapping(hFile,
			      NULL,
			      PAGE_READWRITE,
			      0,
			      4096,
			      NULL);
  if (Section == NULL)
    {
      printf("Failed to create section (err=%ld)", GetLastError());
      return 1;
    }

  printf("Mapping view of section\n");
  BaseAddress = MapViewOfFile(Section,
			      FILE_MAP_ALL_ACCESS,
			      0,
			      0,
			      4096);
  printf("BaseAddress %x\n", (UINT) BaseAddress);
  if (BaseAddress == NULL)
    {
      printf("Failed to map section (%ld)\n", GetLastError());
      return 1;
    }

  printf("Clearing section\n");
  FillMemory(BaseAddress, 4096, ' ');
  printf("Copying test data to section\n");
  strcpy(BaseAddress, "test data");

  if (!UnmapViewOfFile(BaseAddress))
    {
      printf("Failed to unmap view of file (%ld)\n", GetLastError());
      return 1;
    }

  if (!CloseHandle(hFile))
    {
      printf("Failed to close file (%ld)\n", GetLastError());
      return 1;
    }

  return 0;
}