sectest.c

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#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;
}