Re: [Dev-C++] overloading delete

[Daniel G. <sp...@ho...>]

I found another

(from memory) it was:
void* operator delete(_segment Seg, void* _based(void*) BasePtr, void* 
Memory)

the variable names are my own, but I think the types are right. This is for 
segments.

My problem needed a call to _ffree, but you cannot access the C runtime 
library from another segment except the DEFAULT segment. So from your 
segment you call your operator delete which calls your stub function (a 
function in the DEFAULT segment) that then calls _ffree.

#include "SomeHeader.h"    // Default seg header with MyDelete()

#pragma codeseg("MYSEG_SEG")    // something like this

void operator delete (params here)
{
   MyDelete(params);    // Calls MyDelete which calls _ffree()
}

void SomeFunc()
{
    // Create obj
   delete obj;
}


>From: "Hossein Haeri" <ult...@em...>
>To: dev...@li...
>Subject: Re: [Dev-C++] overloading delete
>Date: Tue, 15 Jul 2003 13:15:09 -0500
>
>Dear Daniel,
>
> > What parameters does delete take? I'm being told by the compiler the 
>first
> > is __segment and the second is a __based(void)*   ?????
> > Is this right?
>
>If you only want the arguments, the following (the full signature) will
>convince you:
>
>void* operator delete(void*) throw();
>void* operator delete [] (void*) throw();
>
>I cite them directly from the Standard draft. But if you need more
>information take a look to Section 3.7.3.2 (Deallocation functions) in
>Standard. I don't have Accrobat Distiller. If I had I would send you
>the wholl chapter as a pdf file.
>
>You will also find good stuff in TC++PL:Spec. E.g., consider Section
>6.2.6.2, Section 15.6.1, and (the best at) Section 19.4.5.
>
>Regards,
>--Hossein
>
>
>--
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