asking about pipe line

From:

Baby Lion <BabyLion.Liang@gmail.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Thu, 29 Nov 2007 08:01:29 -0800 (PST)

Message-ID:

<f76751d6-a80b-4beb-a73b-e03dff234eb3@e6g2000prf.googlegroups.com>

hi, all
the information I get from the pipe line is the same to that I input
into the pipe
what is wrong with this piece of code?
how to change it?
thanks.

// tryPipe3.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "tryPipe3.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// The one and only application object

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
    int nRetCode = 0;

    // initialize MFC and print and error on failure
    if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(),
0))
    {
        // TODO: change error code to suit your needs
        _tprintf(_T("Fatal Error: MFC initialization failed\n"));
        nRetCode = 1;
    }
    else
    {

        STARTUPINFO si;

  PROCESS_INFORMATION pi;

  //char ReadBuf[100];
  char * ReadBuf = new char [10000];

  DWORD ReadNum;

  HANDLE hRead; // =B9=DC=B5=C0=B6=C1=BE=E4=B1=FA

  HANDLE hWrite; // =B9=DC=B5=C0=D0=B4=BE=E4=B1=FA

  BOOL bRet = CreatePipe(&hRead, &hWrite, NULL, 0); // =B4=B4=BD=A8=C4=E4=
=C3=FB=B9=DC=B5=C0

  if (bRet == TRUE)

   printf("=B3=C9=B9=A6=B4=B4=BD=A8=C4=E4=C3=FB=B9=DC=B5=C0!\n");

  else

   printf("=B4=B4=BD=A8=C4=E4=C3=FB=B9=DC=B5=C0=CA=A7=B0=DC,=B4=ED=CE=F3=B4=
=FA =EB:%d\n", GetLastError());

   // =B5=C3=B5=BD=B1=BE=BD=F8=B3=CC=B5=C4=B5=B1=C7=B0=B1=EA=D7=BC=CA=E4=B3=
=F6

   HANDLE hTemp = GetStdHandle(STD_OUTPUT_HANDLE);
   HANDLE hTemp2 = GetStdHandle(STD_INPUT_HANDLE);

   // =C9=E8=D6=C3=B1=EA=D7=BC=CA=E4=B3=F6=B5=BD=C4=E4=C3=FB=B9=DC=B5=C0

   SetStdHandle(STD_OUTPUT_HANDLE, hWrite);
   SetStdHandle(STD_INPUT_HANDLE,hRead);

   GetStartupInfo(&si); // =BB=F1=C8=A1=B1=BE=BD=F8=B3=CC=B5=C4STARTUPINFO=
=BD=E1=B9=B9=D0=C5=CF=A2

   bRet = CreateProcess(NULL, "sort/r", NULL, NULL, TRUE, NULL, NULL,
NULL, &si, &pi); // =B4=B4=BD=A8=D7=D3=BD=F8=B3=CC

   SetStdHandle(STD_OUTPUT_HANDLE, hTemp); // =BB=D6=B8=B4=B1=BE=BD=F8=B3=CC=
=B5=C4=B1=EA=D7=BC=CA=E4=B3=F6
    SetStdHandle(STD_INPUT_HANDLE,hTemp2);
   if (bRet == TRUE) // =CA=E4=C8=EB=D0=C5=CF=A2

    printf("=B3=C9=B9=A6=B4=B4=BD=A8=D7=D3=BD=F8=B3=CC!\n");

   else

    printf("=B4=B4=BD=A8=D7=D3=BD=F8=B3=CC=CA=A7=B0=DC,=B4=ED=CE=F3=B4=FA =
=EB:%d\n", GetLastError());

   DWORD count1;
   char str1[] = "c\na\nb\n";
   WriteFile(hWrite,str1,strlen(str1),&count1,NULL);
   cout<<"delta len"<<strlen(str1)-count1<<endl;
    CloseHandle(hWrite); // =B9=D8=B1=D5=D0=B4=BE=E4=B1=FA
    // =B6=C1=B9=DC=B5=C0=D6=B1=D6=C1=B9=DC=B5=C0=B9=D8=B1=D5

    while (ReadFile(hRead, ReadBuf, 9999,&ReadNum, NULL))

    {

     ReadBuf[ReadNum] = '\0';

     printf("=B4=D3=B9=DC=B5=C0[%s]=B6=C1=C8=A1%d=D7=D6=BD=DA=CA=FD=BE=DD\n"=
, ReadBuf, ReadNum);

    }

    if (GetLastError() == ERROR_BROKEN_PIPE) // =CA=E4=B3=F6=D0=C5=CF=A2=

     printf("=B9=DC=B5=C0=B1=BB=D7=D3=BD=F8=B3=CC=B9=D8=B1=D5\n");

    else

     printf("=B6=C1=CA=FD=BE=DD=B4=ED=CE=F3,=B4=ED=CE=F3=B4=FA =EB:%d\n", =
GetLastError());

    }

    //return nRetCode;
    return 0;
}