Re: [PATCH] printf: Emit "SUCCESS" if NULL is passed for %pe

[Andy Shevchenko]

On Fri, Sep 30, 2022 at 01:10:50PM +0200, Uwe Kleine-König wrote:
> For code that emits a string representing a usual return value it's
> convenient to have a 0 result in a string representation of success
> instead of "00000000".

This is a controversial change. For APIs that comes to my mind it means
"OPTIONAL resource NOT FOUND, while no error happened". Doe it mean success?
I don't think so.

> A usecase is tracing where the return value of a callback is emitted,
> see
> https://lore.kernel.org/linux-pwm/20220916151506.298488-2-u.kleine-koenig@xxxxxxxxxxxxxx
> for an example.

-- 
With Best Regards,
Andy Shevchenko