Re: Deleting a passed-by-reference object in a function

From:
David Wilkinson <no-reply@effisols.com>
Newsgroups:
microsoft.public.vc.language
Date:
Wed, 12 Mar 2008 12:15:54 -0400
Message-ID:
<eMz#XxFhIHA.3780@TK2MSFTNGP06.phx.gbl>
M. Shoaib Surya wrote:

Hi David,
Thanks for your reply

I agree that the code is poor style and infact I dont expect any situations
to do this kind of thing. But, I found this in a complex piece of code that
somewhat translated to this case, so I wrote this code snippet to get a
clear picture of this, by checking the value of the memory location pointed
by the variable after it has been passed to the function.
So, just for the sake of my own knowledge, I wanted to know if this thing is
perfectly legal in C++ or not. It is working fine in VC, but can this be
considered something specific to the implementation of the compiler, and is
it possible that this might break on some other platform?

Besides that, why should it be "delete [] pCalled;" when it is not an array
and pCaller is just a scalar pointer-variable?


Shoaib:

Yes, sorry, I misread your code as

int* pCaller = new int[10];

Your code was correct, but error-prone and bad style, IMHO.

--
David Wilkinson
Visual C++ MVP

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