C / C++ / MFC

Karismatic wrote:

whether a file is ready to use or not.

// attempt to open existing file.
  FileHandle = CreateFile (FileName, 
                           GENERIC_READ,
                           0, 
                           NULL,
                           OPEN_EXISTING, 
                           FILE_ATTRIBUTE_NORMAL,
                           NULL);
  // if unable to open the file 
  // then return failure.
  if (FileHandle == INVALID_HANDLE_VALUE)
  {
    // return failure.
    return (FALSE);
  } // if FileHandle
  // close the open file handle.
  CloseHandle (FileHandle);
  return TRUE

BadKarma wrote:

void (functional::*pExitFunction)(); // the addition of this line causes the corruption // even if you don't use it in the cpp side

Saurabh.Garg wrote:

Are you sure this code has a bug?

Saurabh.Garg wrote:

This cannot be true because if you comment out this line then you will have to comment it in wrapper's constructor and destructor. If you do that than the class do nothing so it cannot corrupt memory.

Saurabh.Garg wrote:

Btw I am using VS 2008.

#pragma once
class functional;
#include "functional.h"
class wrapper
{
public:
  wrapper(functional* pFun);
  ~wrapper(void);
  
  void (functional::*pExitFunction)();	// the addition of this line causes the corruption
                                        // even if you don't use it in the cpp side
  functional* _pFun;
};

AFX_MANAGE_STATE( AfxGetStaticModuleState());