From: Alejandro Colomar <alx@kernel.org>
To: Thorsten Kukuk <kukuk@suse.com>
Cc: libc-alpha@sourceware.org, Jonny Grant <jg@jguk.org>,
linux-man <linux-man@vger.kernel.org>
Subject: Re: strncpy clarify result may not be null terminated
Date: Wed, 8 Nov 2023 16:09:45 +0100 [thread overview]
Message-ID: <ZUukudUW_KzdBK-w@debian> (raw)
In-Reply-To: <20231108095910.GA9216@suse.com>
[-- Attachment #1: Type: text/plain, Size: 899 bytes --]
On Wed, Nov 08, 2023 at 09:59:11AM +0000, Thorsten Kukuk wrote:
> On Wed, Nov 08, Alejandro Colomar wrote:
>
> > strncpy(3) is useful to write to fixed-width buffers like `struct utmp`
> > and `struct utmpx`. Is there any other libc API that needs strncpy(3)?
> > Of those two APIs (utmp and utmpx) and any other that need strncpy(3),
> > are those deprecated, or is any such API still good for new code?
>
Hi Thorsten!
> Everything around utmp/utmpx/wtmp/lastlog is deprecated.
Is this a Linux-specific thing? Do you know if the BSDs also deprecated
utmpx?
Thanks,
Alex
>
> openSUSE Tumbleweed and MicroOS are no longer using nor supporting them
> and fresh installations don't have that files anymore.
> So new code should not use utmp/utmp/wtmp/lastlog anymore. Alternatives
> are e.g. systemd-logind/wtmpdb/lastlog2.
--
<https://www.alejandro-colomar.es/>
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2023-11-08 15:09 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-04 11:27 strncpy clarify result may not be null terminated Jonny Grant
2023-11-04 19:33 ` Alejandro Colomar
2023-11-04 21:18 ` Jonny Grant
2023-11-05 1:36 ` Alejandro Colomar
2023-11-05 21:16 ` Jonny Grant
2023-11-05 23:31 ` Alejandro Colomar
2023-11-07 11:52 ` Jonny Grant
2023-11-07 13:23 ` Alejandro Colomar
2023-11-07 14:19 ` Jonny Grant
2023-11-07 16:17 ` Alejandro Colomar
2023-11-07 17:00 ` Jonny Grant
2023-11-07 17:20 ` Alejandro Colomar
2023-11-08 6:18 ` Oskari Pirhonen
2023-11-08 9:51 ` Alejandro Colomar
2023-11-08 9:59 ` Thorsten Kukuk
2023-11-08 15:09 ` Alejandro Colomar [this message]
[not found] ` <6bcad2492ab843019aa63895beaea2ce@DB6PR04MB3255.eurprd04.prod.outlook.com>
2023-11-08 15:44 ` Thorsten Kukuk
2023-11-08 17:26 ` Adhemerval Zanella Netto
2023-11-08 14:06 ` Zack Weinberg
2023-11-08 15:07 ` Alejandro Colomar
2023-11-08 19:45 ` G. Branden Robinson
2023-11-08 21:35 ` Carlos O'Donell
2023-11-08 22:11 ` Alejandro Colomar
2023-11-08 23:31 ` Paul Eggert
2023-11-09 0:29 ` Alejandro Colomar
2023-11-09 10:13 ` Jonny Grant
2023-11-09 11:08 ` catenate vs concatenate (was: strncpy clarify result may not be null terminated) Alejandro Colomar
2023-11-09 14:06 ` catenate vs concatenate Jonny Grant
2023-11-27 14:33 ` catenate vs concatenate (was: strncpy clarify result may not be null terminated) Zack Weinberg
2023-11-27 15:08 ` Alejandro Colomar
2023-11-27 15:13 ` Alejandro Colomar
2023-11-27 16:59 ` G. Branden Robinson
2023-11-27 18:35 ` Zack Weinberg
2023-11-27 23:45 ` G. Branden Robinson
2023-11-09 11:13 ` strncpy clarify result may not be null terminated Alejandro Colomar
2023-11-09 14:05 ` Jonny Grant
2023-11-09 15:04 ` Alejandro Colomar
2023-11-08 19:04 ` DJ Delorie
2023-11-08 19:40 ` Alejandro Colomar
2023-11-08 19:58 ` DJ Delorie
2023-11-08 20:13 ` Alejandro Colomar
2023-11-08 21:07 ` DJ Delorie
2023-11-08 21:50 ` Alejandro Colomar
2023-11-08 22:17 ` [PATCH] stpncpy.3, string_copying.7: Clarify that st[rp]ncpy() do NOT produce a string Alejandro Colomar
2023-11-08 23:06 ` Paul Eggert
2023-11-08 23:28 ` DJ Delorie
2023-11-09 0:24 ` Alejandro Colomar
2023-11-09 14:11 ` Jonny Grant
2023-11-09 14:35 ` Alejandro Colomar
2023-11-09 14:47 ` Jonny Grant
2023-11-09 15:02 ` Alejandro Colomar
2023-11-09 17:30 ` DJ Delorie
2023-11-09 17:54 ` Andreas Schwab
2023-11-09 18:00 ` Alejandro Colomar
2023-11-09 19:42 ` Jonny Grant
2023-11-09 7:23 ` Oskari Pirhonen
2023-11-09 15:20 ` [PATCH v2 1/2] " Alejandro Colomar
2023-11-09 15:20 ` [PATCH v2 2/2] stpncpy.3, string.3, string_copying.7: Clarify that st[rp]ncpy() pad with null bytes Alejandro Colomar
2023-11-10 5:47 ` Oskari Pirhonen
2023-11-10 10:47 ` Alejandro Colomar
2023-11-08 2:12 ` strncpy clarify result may not be null terminated Matthew House
2023-11-08 19:33 ` Alejandro Colomar
2023-11-08 19:40 ` Alejandro Colomar
2023-11-09 3:13 ` Matthew House
2023-11-09 10:26 ` Jonny Grant
2023-11-09 10:31 ` Jonny Grant
2023-11-09 11:38 ` Alejandro Colomar
2023-11-09 12:43 ` Alejandro Colomar
2023-11-09 12:51 ` Xi Ruoyao
2023-11-09 14:01 ` Alejandro Colomar
2023-11-09 18:11 ` Paul Eggert
2023-11-09 23:48 ` Alejandro Colomar
2023-11-10 5:36 ` Paul Eggert
2023-11-10 11:05 ` Alejandro Colomar
2023-11-10 11:47 ` Alejandro Colomar
2023-11-10 17:58 ` Paul Eggert
2023-11-10 18:36 ` Alejandro Colomar
2023-11-10 20:19 ` Alejandro Colomar
2023-11-10 23:44 ` Jonny Grant
2023-11-10 19:52 ` Alejandro Colomar
2023-11-10 22:14 ` Paul Eggert
2023-11-11 21:13 ` Alejandro Colomar
2023-11-11 22:20 ` Paul Eggert
2023-11-12 9:52 ` Jonny Grant
2023-11-12 10:59 ` Alejandro Colomar
2023-11-12 20:49 ` Paul Eggert
2023-11-12 21:00 ` Alejandro Colomar
2023-11-12 21:45 ` Alejandro Colomar
2023-11-13 23:46 ` Jonny Grant
2023-11-17 21:57 ` Jonny Grant
2023-11-18 10:12 ` Alejandro Colomar
2023-11-18 23:03 ` Jonny Grant
2023-11-10 11:36 ` Jonny Grant
2023-11-10 13:15 ` Alejandro Colomar
2023-11-18 23:40 ` Jonny Grant
2023-11-20 11:56 ` Jonny Grant
2023-11-20 15:12 ` Alejandro Colomar
2023-11-20 23:08 ` Jonny Grant
2023-11-20 23:42 ` Alejandro Colomar
2023-11-10 11:23 ` Jonny Grant
2023-11-09 12:23 ` Alejandro Colomar
2023-11-09 12:35 ` Alejandro Colomar
2023-11-10 7:06 ` Oskari Pirhonen
2023-11-10 11:18 ` Alejandro Colomar
2023-11-11 7:55 ` Oskari Pirhonen
2023-11-10 16:06 ` Matthew House
2023-11-10 17:48 ` Alejandro Colomar
2023-11-13 15:01 ` Matthew House
2023-11-11 20:55 ` Jonny Grant
2023-11-11 21:15 ` Jonny Grant
2023-11-11 22:36 ` Alejandro Colomar
2023-11-11 23:19 ` Alejandro Colomar
2023-11-17 21:46 ` Jonny Grant
2023-11-18 9:37 ` PDF book of unreleased pages (was: strncpy clarify result may not be null terminated) Alejandro Colomar
2023-11-19 0:22 ` Deri
2023-11-19 1:19 ` Alejandro Colomar
2023-11-19 9:29 ` Alejandro Colomar
2023-11-19 16:21 ` Deri
2023-11-19 20:58 ` Alejandro Colomar
2023-11-20 0:46 ` G. Branden Robinson
2023-11-20 9:43 ` Alejandro Colomar
2023-11-18 9:44 ` NULL safety " Alejandro Colomar
2023-11-18 23:21 ` NULL safety Jonny Grant
2023-11-24 22:25 ` Alejandro Colomar
2023-11-25 0:57 ` Jonny Grant
2023-11-10 10:40 ` strncpy clarify result may not be null terminated Stefan Puiu
2023-11-10 11:06 ` Jonny Grant
2023-11-10 11:20 ` Alejandro Colomar
2023-11-12 9:17 ` [PATCH 0/2] Expand BUGS section of string_copying(7) Alejandro Colomar
2023-11-12 9:18 ` [PATCH 1/2] string_copying.7: BUGS: *cat(3) functions aren't always bad Alejandro Colomar
2023-11-12 9:18 ` [PATCH 2/2] string_copying.7: BUGS: Document strl{cpy,cat}(3)'s performance problems Alejandro Colomar
2023-11-12 11:26 ` [PATCH v2 0/3] Improve string_copying(7) Alejandro Colomar
2023-11-12 11:26 ` [PATCH v2 1/3] string_copying.7: BUGS: *cat(3) functions aren't always bad Alejandro Colomar
2023-11-17 21:43 ` Jonny Grant
2023-11-18 0:25 ` Signing all patches and email to this list Matthew House
2023-11-18 23:24 ` Jonny Grant
2023-11-12 11:26 ` [PATCH v2 2/3] string_copying.7: BUGS: Document strl{cpy,cat}(3)'s performance problems Alejandro Colomar
2023-11-12 11:27 ` [PATCH v2 3/3] strtcpy.3, string_copying.7: Add strtcpy(3) Alejandro Colomar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ZUukudUW_KzdBK-w@debian \
--to=alx@kernel.org \
--cc=jg@jguk.org \
--cc=kukuk@suse.com \
--cc=libc-alpha@sourceware.org \
--cc=linux-man@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.