Date: Sun, 19 Jul 2026 14:09:17 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@FreeBSD.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: fbe0257b5613 - main - libc/resolv: Reimplement the sortlist parser Message-ID: <86mrvnyydu.fsf@ltc.des.dev> In-Reply-To: <8633xv5lxw.fsf@ltc.des.dev> ("Dag-Erling =?utf-8?Q?Sm=C3=B8r?= =?utf-8?Q?grav=22's?= message of "Tue, 07 Jul 2026 08:54:35 %2B0200") References: <6a4b9e7c.3a45f.1bda28f6@gitrepo.freebsd.org> <40s77q5o-q2no-p79r-7719-67np83p1934s@mnoonqbm.arg> <8633xv5lxw.fsf@ltc.des.dev>
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Dag-Erling Smørgrav <des@FreeBSD.org> writes:
> "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> writes:
> > one could likely make the blocks above and below even simpler if one used
> > inet_cidr_pton(), which will also deal with the mask, so one does not have
> > to parse it away and checking it onself per-AF.
> inet_cidr_pton() is undocumented, so it might as well not exist.
In addition to being undocumented and having a gratuitously different
return value scheme than inet_pton(), inet_cidr_pton() is incapable of
correctly parsing trivial cases such as:
* ::/0 incorrectly parsed as ::/-1
* 0.0.0.0/0 incorrectly parsed as either ::/128 or 0.0.0.0/32 depending
on which AF you try
* 2001:db8::/32 incorrectly parsed as 2001:db8::/-1
DES
--
Dag-Erling Smørgrav - des@FreeBSD.org
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