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Message-Id: <0422ED16-0AA3-402E-8103-940EC2545A3B@rb67.eu>
Date: Mon, 24 Aug 2020 23:51:52 +0200
From: Daniel Neri <dne+musl@...7.eu>
To: musl@...ts.openwall.com
Subject: Re: Incompatible behaviour of res_query(3) w.r.t. NXDOMAIN
On 24 Aug 2020, at 23:32, Rich Felker <dalias@...c.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
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