Re: [PATCH v4 1/3] lib/vsprintf: Add support for generic FourCCs by extending %p4cc

Andy Shevchenko
2025-04-23T16:30:10Z

On Wed, Apr 23, 2025 at 04:50:02PM +0200, Geert Uytterhoeven wrote:
> On Wed, 23 Apr 2025 at 15:39, Petr Mladek <pmladek@suse.com> wrote:
> > On Tue 2025-04-22 10:43:59, Geert Uytterhoeven wrote:

...

> > The problem is that the semantic is not the same. The modifiers affect
> > the output ordering of IPv4 addresses while they affect the reading order
> > in case of FourCC code.
>
> Note that for IPv4 addresses we have %pI4, which BTW also takes [hnbl]
> modifiers.

Ouch, now I think I understand your complain. You mean that the behaviour of
h/n here is different to what it is for IPv4 case?

> > Avoid the confusion by replacing the "n" modifier with "hR", aka
> > reverse host ordering.

Not ideal, but better than 'h'ost / 'r'everse pair. Not giving a tag and not
objecting either if there is a consensus.

--
With Best Regards,
Andy Shevchenko