Re: A micro-optimisation for walkdir()

On 2020-Sep-04, Juan José Santamaría Flecha wrote:

> On Fri, Sep 4, 2020 at 9:37 PM Alvaro Herrera <alvherre@2ndquadrant.com>
> wrote:
>
> > On 2020-Sep-04, Thomas Munro wrote:

> > >
> > > +/* File types for 'd_type'. */
> > > +enum
> > > +  {
> > > +     DT_UNKNOWN = 0,
> > > +# define DT_UNKNOWN          DT_UNKNOWN
> >
> > Uhm ... what do these #defines do?  They look a bit funny.
> >
> > Would it make sense to give this enum a name, and then use that name in
> > struct dirent's definition, instead of unsigned char?
>
> They mimic POSIX dirent.h. I would rather stick to that.

Ah ... they do?

If you remove the #define lines, what happens to your patch?