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From: "Dmitry V. Levin" <ldv@altlinux.org>
To: Shawn Landden <shawn@git.icu>, linux-man@vger.kernel.org
Subject: Re: [PATCH] bcmp: note that this function is no longer legacy due to LLVM 9
Date: Sat, 11 Jan 2020 19:11:26 +0300
Message-ID: <20200111161126.GA22051@altlinux.org> (raw)
In-Reply-To: <20200111145049.5393-1-shawn@git.icu>

Hi,

On Sat, Jan 11, 2020 at 06:50:49PM +0400, Shawn Landden wrote:
> Signed-off-by: Shawn Landden <shawn@git.icu>
> ---
>  man3/bcmp.3 | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
> 
> diff --git a/man3/bcmp.3 b/man3/bcmp.3
> index ba9838019..18d238720 100644
> --- a/man3/bcmp.3
> +++ b/man3/bcmp.3
> @@ -70,15 +70,21 @@ T{
>  .BR bcmp ()
>  T}	Thread safety	MT-Safe
>  .TE
>  .SH CONFORMING TO
>  4.3BSD.
> -This function is deprecated (marked as LEGACY in POSIX.1-2001): use
> -.BR memcmp (3)
> -in new programs.
> +This function was deprecated (marked as LEGACY) by POSIX.1-2001).
>  POSIX.1-2008 removes the specification of
>  .BR bcmp ().
> +LLVM 9, released in 2019, revived
> +.BR bcmp ()
> +and generates calls to it instead of
> +.BR memcmp (3)
> +as appropiate as an optimization (as
> +.BR bcmp ()
> +need not traverse memory in-order).
> +.\" http://releases.llvm.org/9.0.0/docs/ReleaseNotes.html#noteworthy-optimizations

I believe the "CONFORMING TO" is about conformance and therefore
shall not be changed.

Any notes about llvm-specific implementation details should go
to a different section, e.g. "NOTES".


-- 
ldv

  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-11 14:50 Shawn Landden
2020-01-11 16:11 ` Dmitry V. Levin [this message]
2020-01-21 19:52   ` Michael Kerrisk (man-pages)
2020-01-11 14:55 Shawn Landden
2020-01-17 11:57 ` Florian Weimer

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