Re: [PATCH v2 2/4] lib/vsprintf.c: make '%pD' print the full path of file

From: Andy Shevchenko
Date: Thu Jun 24 2021 - 06:49:51 EST


On Thu, Jun 24, 2021 at 11:01:31AM +0200, Petr Mladek wrote:
> On Wed 2021-06-23 13:50:09, Jia He wrote:

...

> > If someone invokes snprintf() with small but positive space,
> > prepend_name_with_len() moves or truncates the string partially.
>
> Does this comment belong to the 1st patch?
> prepend_name_with_len() is not called in this patch.
>
> > More
> > than that, kasprintf() will pass NULL @buf and @end as the parameters,
> > and @end - @buf can be negative in some case. Hence make it return at
> > the very beginning with false in these cases.
>
> Same here. file_d_path_name() does not return bool.

It was my (apparently unclear) suggestion either to move it here, or be
rewritten in generic way as you suggested in the other thread.

--
With Best Regards,
Andy Shevchenko