[m-users.] Yet another piece for the posix library: strerror(3)

[Volker Wysk]

Am Montag, den 28.10.2019, 16:12 +1100 schrieb Peter Wang:
> On Mon, 28 Oct 2019 16:06:47 +1100 (AEDT), Julien Fischer <
> jfischer at opturion.com> wrote:
> > Hi Volker
> > 
> > On Sun, 27 Oct 2019, Volker Wysk wrote:
> > 
> > > I've extended the posix library again, this time with the
> > > strerror(3)
> > > call. I had to modify posix.m in order to do it.
> > 
> > That's not referentially transparent as the error message returned
> > will
> > be affected by the current locale setting.  This can be fixed by
> > making
> > the interface into:
> > 
> >     :- pred strerror(posix.error::in, string::out, io::di, io::uo)
> > is det.
> > 
> 
> The standard library makes the same mistake :P

It's included in the standard library? What standard library?

> 
> Also, you should consider using MR_strerror() from the runtime
> directory
> instead of strerror_r() directly.

What is the "runtime directory"?

Cheers
Volker