[RFC PATCH] realloc: Make REALLOC_ZERO_BYTES_FREES into a tunable

[Alejandro Colomar]

Hi DJ, Paul,

On Thu, Oct 24, 2024 at 11:19:16PM +0200, Alejandro Colomar wrote:
> On Thu, Oct 24, 2024 at 02:27:37PM GMT, DJ Delorie wrote:
> >  What we need is for someone to
> > FIND OUT which cases actually exist in practice, and what breaking them
> > would mean.
> > 
> > Hard data beats opinion every day.
> > 
> > I personaly think realloc(...,0) should match malloc(0) when
> > appropriate, but I'm against change *in general* if applications could
> > unknownly break in the future because of it.  I really don't like
> > surprises.

gnulib did change that back in November, in the realloc-posix module.
Paul, I guess nothing has broken, did it?

> 
> Agreed.
> 
> Who is able to test that?

I'd like to ping about this.  Is anyone able to test such a change in
Fedora?


Have a lovely day!
Alex

-- 
<https://www.alejandro-colomar.es/>
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