Re: [HACKERS] Re: alloca (was: Postgres Speed or lack thereof)

> On Sun, 24 Jan 1999, Goran Thyni wrote:
>
> > The Hermit Hacker wrote:
> > > BUGS
> > > The alloca() function is machine dependent; its use is discouraged.
> >
> > Gain a big potential speed boost, loose some portability.
> > I think most modern unices has a good alloca, DOS and Mac
> > don't, but who's porting the server there?
> >
> > Any unices out there missing alloca?
>
> Make you a deal...
>
> You build the code such that "#ifdef HAVE_ALLOCA" is true, so that those
> platforms that either don't support it, or have broken suport for it,
> aren't affect, and you are most welcome to work on it...

As far as I know, alloca is only useful for memory that is used by the
current function or its children. I don't think we have many cases
where we could use that.

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