From: "Alejandro Colomar \(man-pages\) via Libc-alpha" <libc-alpha@sourceware.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Marek Behún" <kabel@kernel.org>,
"G. Branden Robinson" <g.branden.robinson@gmail.com>,
libc-alpha@sourceware.org,
"Michael Kerrisk" <mtk.manpages@gmail.com>,
linux-man@vger.kernel.org
Subject: Re: [PATCH v2] ioctl_tty.2: Fix information about header include file
Date: Sun, 8 Aug 2021 10:26:33 +0200 [thread overview]
Message-ID: <3d927d3c-67a1-bb48-b597-44c87b8f715a@gmail.com> (raw)
In-Reply-To: <20210730130537.18863-1-pali@kernel.org>
Hi Pali,
On 7/30/21 3:05 PM, Pali Rohár wrote:
> Header file termios.h contains incompatible definitions for linux ioctl
> calls. Correct definitions are exported by header file linux/termios.h but
> this file conflicts with sys/ioctl.h header file (required for ioctl()
> call). Therefore include direct asm header file asm/termbits.h which
> contains compatible definitions and structures for ioctl calls.
No one screamed so far, so I was going to apply this one, but I just
noticed a minor formatting issue; see below.
Thanks,
Alex
>
> Signed-off-by: Pali Rohár <pali@kernel.org>
>
> ---
> Changes in v2:
> * Reformat SYNOPSIS for 80 chars per line
> ---
> man2/ioctl_tty.2 | 19 +++++++++++++++++--
> 1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
> index 771a9a470bf0..ecbae4f887c4 100644
> --- a/man2/ioctl_tty.2
> +++ b/man2/ioctl_tty.2
> @@ -11,8 +11,10 @@ ioctl_tty \- ioctls for terminals and serial lines
> .SH SYNOPSIS
> .nf
> .B #include <sys/ioctl.h>
> -.BR "#include <termios.h>" " /* Definition of " CLOCAL ", and"
> -.BR " TC*" { FLUSH , ON , OFF "} constants */"
> +.BR "#include <asm/termbits.h>" " /* Definition of " "struct termios" ,
> +.BR " struct termios2" ", and"
> +.BR " Bnn" ", " BOTHER ", " CBAUD ", " CLOCAL ,
> +.BR " TC*" { FLUSH , ON , OFF "} and other constants */"
> .PP
> .BI "int ioctl(int " fd ", int " cmd ", ...);"
> .fi
> @@ -31,6 +33,19 @@ makes for nonportable programs.
> Use the POSIX interface described in
> .BR termios (3)
> whenever possible.
> +.PP
> +Please note that
> +.B struct termios
> +from
> +.B #include <asm/termbits.h>
Instead, just (with no "#include"):
.I <asm/termbits.h>
See man-pages(7):
Formatting conventions (general)
[...]
Filenames (whether pathnames, or references to header
files) are always in italics (e.g., <stdio.h>), except in
the SYNOPSIS section, where included files are in bold
(e.g., #include <stdio.h>). When referring to a standard
header file include, specify the header file surrounded by
angle brackets, in the usual C way (e.g., <stdio.h>).
> +is different and incompatible with
> +.B struct termios
> +from
> +.BR "#include <termios.h>" .
ditto
> +These ioctl calls require
> +.B struct termios
> +from
> +.BR "#include <asm/termbits.h>" .
ditto
> .SS Get and set terminal attributes
> .TP
> .B TCGETS
>
--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/
next prev parent reply other threads:[~2021-08-08 8:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 10:53 [PATCH] ioctl_tty.2: Fix information about header include file Pali Rohár via Libc-alpha
2021-07-30 12:02 ` Alejandro Colomar (man-pages) via Libc-alpha
2021-07-30 13:05 ` [PATCH v2] " Pali Rohár via Libc-alpha
2021-08-08 8:26 ` Alejandro Colomar (man-pages) via Libc-alpha [this message]
2021-08-31 20:28 ` [PATCH v3] " Pali Rohár via Libc-alpha
2021-09-10 17:39 ` Pali Rohár via Libc-alpha
2021-09-10 19:47 ` Alejandro Colomar (man-pages) via Libc-alpha
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