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List:       ethereal-dev
Subject:    Re: [ethereal-dev] Patches containing assert statements (& not  much
From:       Guy Harris <guy () netapp ! com>
Date:       2000-04-19 22:02:20
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> >Why initialize them to a value with all bits set?  NULL is the right
> >value to use here - it's the official "distinguished value" for pointers
> >in C and C++.
> 
> In preference to initialising them to an indeterminate bit pattern! I use
> 0 to indicate that pointer has been used and freed. I thought that I was
> following the model in the developer document

If the developer document suggests using -1 for *pointers*, it is in
error, and should be fixed.

If it only suggests using it for integral values, the equivalent notion
for pointers is a null pointer.

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