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Re: ai_flags in calls to getaddrinfo
From: |
Lars Ingebrigtsen |
Subject: |
Re: ai_flags in calls to getaddrinfo |
Date: |
Sat, 02 Jan 2021 06:40:09 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> If they don't specify the protocol version, they get back either/both
>> ipv6/ipv4 now (depending on the system), don't they?
>
> On that system, I get only the IPv4 address if I don't use AI_ALL and
> AI_V4MAPPED. If I do use the two flags, I get both IPv4 and IPv6
> addresses.
But the IPv6 addresses you get are presumably just the
ipv4-remapped-to-ipv6 addresses? If so, that's another reason not to
use AI_V4MAPPED -- Robin explained in another message how those aren't
that useful.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- Re: ai_flags in calls to getaddrinfo, Eli Zaretskii, 2021/01/01
- Re: ai_flags in calls to getaddrinfo, Lars Ingebrigtsen, 2021/01/01
- Re: ai_flags in calls to getaddrinfo, Eli Zaretskii, 2021/01/03
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robin Tarsiger, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robin Tarsiger, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robin Tarsiger, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/11