[Winpcap-users] Using WinPcap with Visual C++ version 6.

Wed Oct 13 10:37:50 PDT 2010

The answer I need is: How do I use WinPcap with version 6 Visual C++? The
answer you have given is a generic answer that does not address the fact
that I am working using a standard Visual C++ project. When you work in this
VERY STANDARD AND WELL KNOWN project framework, you do not have easy control
of what gets included where, when and in what order.

I inserted #include "pcap.h" in the project's StdAfx.h. See bottom of this
post. Now I receive a different error that I don't understand. The error
points to a line in pcap-stdinc.h that seems OK to me. The error leads me to
believe that something previous to the tagged line is wrong. I don't
understand the problem here.

Please help me.

----------------------------------------------------------------------------
When I compile the project I receive the following errors:

Deleting intermediate files and output files for project 'Core - Win32
Debug'.
--------------------Configuration: Core - Win32 Debug--------------------
Compiling resources...
Compiling...
StdAfx.cpp
c:\projects\thirdparty\winpcap\pcap-stdinc.h(79) : error C2144: syntax error
: missing ';' before type 'unsigned int'
c:\projects\thirdparty\winpcap\pcap-stdinc.h(79) : fatal error C1004:
unexpected end of file found
Error executing cl.exe.
Creating browse info file...
BSCMAKE: error BK1506 : cannot open file '.\Debug\StdAfx.sbr': No such file
or directory
Error executing bscmake.exe.

----------------------------------------------------------------------------
Below is my stdafx.h include file.I think this is fairly standard.

// stdafx.h : include file for standard system include files,
//  or project specific include files that are used frequently, but
//      are changed infrequently
//

#if !defined(AFX_STDAFX_H__A546186A_092A_4B6A_9008_75C782FFF93B__INCLUDED_)
#define AFX_STDAFX_H__A546186A_092A_4B6A_9008_75C782FFF93B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define _WIN32_WINNT 0x0400
#pragma warning(disable : 4786)

#define VC_EXTRALEAN        // Exclude rarely-used stuff from Windows
headers

#include <afx.h>
#include "pcap.h"
#include <afxwin.h>         // MFC core and standard components
#include <afxext.h>         // MFC extensions
#include <afxdtctl.h>        // MFC support for Internet Explorer 4 Common
Controls
#ifndef _AFX_NO_AFXCMN_SUPPORT
#include <afxcmn.h>            // MFC support for Windows Common Controls
#include <afxsock.h>
#endif // _AFX_NO_AFXCMN_SUPPORT

#include <iostream>

// TODO: reference additional headers your program requires here

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately
before the previous line.

#endif //
!defined(AFX_STDAFX_H__A546186A_092A_4B6A_9008_75C782FFF93B__INCLUDED_)

On Wed, Oct 13, 2010 at 10:55 AM, Gianluca Varenni <
gianluca.varenni at cacetech.com> wrote:

>  Tom,
>
> you need to make sure that pcap.h is included before winsock.h
>
> Have a nice day
> GV
>
>  *From:* Tom Chapman <tchapman131 at gmail.com>
> *Sent:* Wednesday, October 13, 2010 8:41 AM
> *To:* winpcap-users at winpcap.org
> *Subject:* [Winpcap-users] Using WinPcap with Visual C++ version 6.
>
> I have an existing MFC project that uses Visual C++ Version 6. I want to
> add WinPcap to this project. In one of my .cpp files, I added #include
> "pcap.h". When this file is compiled I receive a bunch of compiler errors.
> Apparently WinPcap includes winsock2.h and this conflicts with winsock.h
> that the compiler is already using. I can't find how to make this work. In
> older posts on the web, I have found various "ideas" people have posted as
> possible solutions. Many of these posts are not my exact situation. None of
> these have worked for me.
>
> *How can I get the compiler to work with WinPcap?*
>
> FYI: I have installed the platform SDK Aug 2004 edition. Do I need to
> register this somehow within Visual C++? How? Where in the menus?
>
>
> Thank you for helping me.
>
>
> Below are the first few errors that I receive:
>
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(99) :
> error C2011: 'fd_set' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(134) :
> warning C4005: 'FD_SET' : macro redefinition
>         c:\program files\microsoft visual studio\vc98\include\winsock.h(83)
> : see previous definition of 'FD_SET'
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(143) :
> error C2011: 'timeval' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(199) :
> error C2011: 'hostent' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(212) :
> error C2011: 'netent' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(219) :
> error C2011: 'servent' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(226) :
> error C2011: 'protoent' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(310) :
> error C2011: 'in_addr' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(368) :
> error C2011: 'sockaddr_in' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(378) :
> error C2011: 'WSAData' : 'struct' type redefinition
> c:\program files\microsoft visual studio\vc98\include\winsock2.h(430) :
> warning C4005: 'SO_DONTLINGER' : macro redefinition
>         c:\program files\microsoft visual
> studio\vc98\include\winsock.h(391) : see previous definition of
> 'SO_DONTLINGER'
>
>  ------------------------------
>
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