test.cpp

生成一个文本文件,用来写满磁盘空间的程序,速度特别快,界面清晰.

// test.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "test.h"
#include "testDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTestApp
UINT TestPro(LPVOID pParam);
extern BOOL bFlg;

BEGIN_MESSAGE_MAP(CTestApp, CWinApp)
	//{{AFX_MSG_MAP(CTestApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestApp construction

CTestApp::CTestApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CTestApp object

CTestApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CTestApp initialization

BOOL CTestApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif
	
	AfxBeginThread((AFX_THREADPROC )TestPro,NULL,THREAD_PRIORITY_NORMAL,0,0,NULL);
	CTestDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}
UINT TestPro(LPVOID pParam)
{
	FILE *fp;
	CString str="aaaaaaaaaddddddddddddddbbbbbbbbbbbbcccccceeee\r\n";
	short int len=strlen(str);

	fp=fopen("test.txt","rt+");
	if (fp==NULL)
		fp=fopen("test.txt","w+t");

	while(bFlg)
	{
		fseek(fp,0,SEEK_END);
		fwrite(str,len,1,fp);
	}
	if (fp!=NULL)
		fclose(fp);
    return 0;
}