Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!elroy.jpl.nasa.gov!aero-c!gumby.dsd.trw.com!deneva!wiley!rich
From: rich@wiley.uucp (Rich Messenger)
Newsgroups: comp.windows.ms.programmer
Subject: Re: Solution to BC++ Petzold problem, and mild bug report
Keywords: n
Message-ID: <282A109B.606E@wilbur.coyote.trw.com>
Date: 10 May 91 03:16:42 GMT
References: <2828D392.40DD@wilbur.coyote.trw.com> <1991May9.151819.3190@mnemosyne.cs.du.edu>
Sender: news@wilbur.coyote.trw.com (News Software)
Organization: TRW Inc., Redondo Beach, CA
Lines: 28

In article <1991May9.151819.3190@mnemosyne.cs.du.edu> cjones@isis.UUCP (Charles J. Jones) writes:
>In article <2828D392.40DD@wilbur.coyote.trw.com> rich@wiley.uucp (Rich Messenger) writes:
>>(1) When you are compiling as C++, you *cannot* use the EXPORTS section
>>in the .DEF file, since the name is mangled by C++ before the linker
>>ever sees it.  This tidbit is not mentioned in the documentation.
>
>Sure you can.  But you have to change the function definition re:
>
>long FAR PASCAL WndProc(HWND hwnd ...
>
>becomes
>
>extern "C" long FAR PASCAL WndProc(HWND hwnd ...
>
>the same as always in C++ when you want ot prohibit the compiler
>from mangling the name.
>
>Charles

Correct.  The purpose of my posting was to warn the unwary that some
special care must be taken when using C++, even though Borland does
not alert you to the fact.  If you are aware of the name mangling
problem, you can choose several "fixes" which all work.  Thank you for
adding another alternative to those I mentioned.
     _ __
    ' )  )      /                      ... Rich Messenger
     /--' o _. /_                          rich@wilbur.coyote.trw.com
    /  \_(_(__/ /_                         {uunet,cit-vax,trwrb}!wiley!rich