Re: Passing pointer between DLL boundary question

From:
"AliR" <AliR@online.nospam>
Newsgroups:
comp.os.ms-windows.programmer.win32,microsoft.public.vc.mfc
Date:
Wed, 19 Jul 2006 10:04:01 -0500
Message-ID:
<44be4a3a$0$23728$a8266bb1@reader.corenews.com>
I totally agree with what you said. A wrapper class for the buffer would be
a better way to go, but sometimes you have to do what you have to do.

AliR.

"Tom Serface" <tserface@msn.com> wrote in message
news:e8iHa7rqGHA.4912@TK2MSFTNGP05.phx.gbl...

Hi Ali,

You're right of course, but I think it is dangerous to allocate memory and
count on the calling routine to free (or delete) it. I would tend to

create

my own object or objects and then deallocate them automatically in a
destructor or some deinitialization code. Passing in a buffer is also
problematic as the size will have to be known. Since the OP is using MFC
passing in something like a reference to an object that resizes itself

(like

a CString) might make more sense.

That said, I probably have an strdup() in my code somewhere or another ...

Tom

"AliR" <AliR@online.nospam> wrote in message
news:44bd2f9f$0$23762$a8266bb1@reader.corenews.com...

The answer to your question is it doesn't matter where it gets created

and

where it gets deleted. As long as it is deleted properly. And as long

as

the users of your code know that when they call a function that creates
the
buffer, they have to delete the buffer themselves.

You can create the buffer in the dll, and delete it in the exe, or

create

it
in the exe and delete it in the dll.

AliR.

<indrawati.yahya@gmail.com> wrote in message
news:1153247899.764220.70200@h48g2000cwc.googlegroups.com...

No answer to my original question? :(

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