Re: [PATCH v1 1/8] lib/uuid: Introduce uuid_{be|le}_cmp_p{p}() helpers

From: Andy Shevchenko
Date: Mon Apr 24 2017 - 04:55:48 EST


On Sun, 2017-04-23 at 20:20 +0000, Winkler, Tomas wrote:
> On Sun, 2017-04-23 at 15:42 +0300, Andy Shevchenko wrote:
> > On Sun, Apr 23, 2017 at 1:29 PM, Winkler, Tomas <tomas.winkler@intel
> > .
> > com> wrote:
> > > > New helpers take pointers to uuid_{be|le} as parameters.
> > > >
> > > > When using them on a raw data we don't need to do an ugly
> > > > dereference and,
> > > > in some cases, a type casting.
> > >
> > > I think this going overboard, the _pp typesÂÂare just enough.
> >
> > I looked at existing users and there are cases like
> > #define XXX_UUID UUID_...(a, b, c, ...)
> >
> > uuid_.*_cmp(value, XXX_UUID)
> >
> > For _pp variant if would be _cmp_pp(value, &XXX_UUID) which is
> > slightly worse than for _p variant.
>
>
> Maybe it's worth to actually replace the defines with variables than
> to
> create an interface with all the permutations.

Maybe. I didn't estimate the number of users that would be in a scope.

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy