Re: @(#) Mordred Labs advisory 0x0001: Buffer overflow in

On Mon, 19 Aug 2002, Tom Lane wrote:

> Justin Clift <justin@postgresql.org> writes:
> > From the info still around, this looks to mean that the cash_words()
> > problem was fixed, but the cash_out() problem was harder to fix.
>
> > Tom/Bruce, is that correct?
>
> The cash_out problem can't really be fixed until we do something about
> subdividing type "opaque" into multiple pseudo-types with more carefully
> defined meanings.  cash_out is declared cash_out(opaque) which does not
> really mean that it accepts any input type ... but one of the several
> meanings of "opaque" is "accepts any type", so the parser doesn't reject
> cash_out(2).
>
> I'd like to see something done about this fairly soon, but it's not
> happening for 7.3 ...

Can we trap and just return an error before it goes into the weeds and
put the subdividing opaque fix in later?

Vince.
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