Re: [PATCH] vsprintf and docs: Add X to %ph for upper case output

On Sun, Aug 22, 2021 at 6:00 AM Joe Perches [off-list ref] wrote:

Uppercase hex output of small char arrays is moderately frequently used.
Add a mechanism to support the %*ph output as uppercase using 'X'.

Besides the fact of existing hex_asc_upper_*(), what ABI (!) uses
this? If none, I dunno we need this.
And show at least a few users where we gain something after conversion.

-- 
With Best Regards,
Andy Shevchenko