mailing list of musl libc
 help / color / mirror / code / Atom feed
From: Daniel Neri <dne+musl@rb67.eu>
To: musl@lists.openwall.com
Subject: Re: [musl] Incompatible behaviour of res_query(3) w.r.t. NXDOMAIN
Date: Mon, 24 Aug 2020 23:51:52 +0200	[thread overview]
Message-ID: <0422ED16-0AA3-402E-8103-940EC2545A3B@rb67.eu> (raw)
In-Reply-To: <20200824213215.GL3265@brightrain.aerifal.cx>

[-- Attachment #1: Type: text/plain, Size: 532 bytes --]

On 24 Aug 2020, at 23:32, Rich Felker <dalias@libc.org> wrote:
> 
> Does such a distinction exist? I thought res_query was just equivalent
> to res_mkquery+res_send and that calling res_send directly would get
> you the same errors.

I thought so too, but I’ve been reading the musl implementation. ;-)

After looking more at the other implementations, I think Florian is correct though: it’s more like res_mkquery+res_send+setting h_errno and the return value based on the RCODE of the response.

Regards,
Daniel


[-- Attachment #2: Type: text/html, Size: 2938 bytes --]

  reply	other threads:[~2020-08-24 21:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-23 21:31 Daniel Neri
2020-08-24 16:16 ` Rich Felker
2020-08-24 16:43   ` Rich Felker
2020-08-24 20:39     ` Daniel Neri
2020-08-24 21:36       ` Rich Felker
2020-08-24 21:04     ` Florian Weimer
2020-08-24 21:32       ` Rich Felker
2020-08-24 21:51         ` Daniel Neri [this message]
2020-08-24 22:09           ` Rich Felker
2020-08-25  3:26             ` Rich Felker
2020-08-25 13:56               ` Daniel Neri
2020-08-24 22:04         ` Florian Weimer
2020-08-24 22:13           ` Rich Felker

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=0422ED16-0AA3-402E-8103-940EC2545A3B@rb67.eu \
    --to=dne+musl@rb67.eu \
    --cc=musl@lists.openwall.com \
    /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.
Code repositories for project(s) associated with this public inbox

	https://git.vuxu.org/mirror/musl/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).