Re: [PATCH] lib: vsprintf: add printf format conversion %M for errno strings

From: Enrico Weigelt, metux IT consult
Date: Sun Jun 25 2017 - 17:19:06 EST


On 25.06.2017 22:10, Joe Perches wrote:

>> Yeah, that's still an open problem. Actually, I still haven't found out,
>> how it's done w/ all the other kernel-internal conversions.
>
> Everything else uses "%p<foo>", <object reference>

hmm, but errno's aren't pointers. Isn't %p checked for pointer values ?
>> Already was about to do so. Shall I call it strerror() ?
>
> I presume kstrerror
>
> So use something like
> "%d: (%s)", errno, kstrerror(errno)

Okay, sounds good.

--mtx