_mp_alloc vs ALLOC

[bodrato at mail.dm.unipi.it]

Ciao!

Il Ven, 1 Giugno 2012 9:16 am, Marc Glisse ha scritto:
> On Fri, 1 Jun 2012, bodrato at mail.dm.unipi.it wrote:
>
>> - should we ask for a fourth function (alloc, free,
>> conservative_realloc,
>> nonconservative_realloc)?
>
> If the usual allocators don't provide it, it is inconvenient to require

Both reallocs can be optional.

> it (I know this is a chicken and egg thing...). By "conservative", do you
> mean "copying", so the conservative one would be the regular realloc and
> the other one could safely be realloc or free+malloc?

Exactly! It is not required, for the "nonconservative", to be destructive.

We could even add an mp_set_newalloc_function( ... ) now, without breaking
backward compatibility. But I think that it is better to think to all the
details, and possibly change the ABI, at once.

Regards,
Marco

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