Re: [PATCH net-next v3 2/8] selftests/net: Provide test_snprintf() helper

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Hi Simon,

On Wed, 21 Aug 2024 at 20:10, Simon Horman <horms@xxxxxxxxxx> wrote:
>
> On Thu, Aug 15, 2024 at 10:32:27PM +0100, Dmitry Safonov via B4 Relay wrote:
> > From: Dmitry Safonov <0x7f454c46@xxxxxxxxx>
> >
> > Instead of pre-allocating a fixed-sized buffer of TEST_MSG_BUFFER_SIZE
> > and printing into it, call vsnprintf() with str = NULL, which will
> > return the needed size of the buffer. This hack is documented in
> > man 3 vsnprintf.
> >
> > Essentially, in C++ terms, it re-invents std::stringstream, which is
> > going to be used to print different tracing paths and formatted strings.
> > Use it straight away in __test_print() - which is thread-safe version of
> > printing in selftests.
> >
> > Signed-off-by: Dmitry Safonov <0x7f454c46@xxxxxxxxx>
>
> Hi Dmitry,
>
> Some minor nits, as it looks like there will be a v4.

Thanks, both seem reasonable.
Did you get them with checkpatch.pl or with your trained eyes? :)

These days I run b4 prep --check and on latest version it just gave a
bunch of fmt-strings with columns > 100.

Thanks,
             Dmitry




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