Re: Preventing stack-overflow crashes (improving on - Mailing list pgsql-hackers

On Wed, 31 Dec 2003, Tom Lane wrote:

> > Is ABS enough on a 64-bit architecture ?
>
> That was pseudocode, I wasn't actually planning to rely on a function.
> Something more like
>
>     long    diff;

FWIW, ISO has a ptrdiff_t, which may be useful here.

Matthew.

>     diff = stack_base_ptr - &stack_top_loc;
>     if (diff < 0)
>         diff = -diff;
>     if (diff > max)
>         elog ...
>
>             regards, tom lane
>
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