GNU bug report logs - #9586
The Windows port does not support datagram sockets

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Message #20 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Robert Pluim <rpluim <at> gmail.com>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>, 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: Fwd: bug#9586: The Windows port does not support
 datagram sockets
Date: Wed, 02 Oct 2019 16:19:13 +0200

>>>>> On Wed, 2 Oct 2019 00:52:26 +0200, Juanma Barranquero <lekktu <at> gmail.com> said:

    Juanma> (Resending, there was a typo in the debbugs address)
    >>> dns.el uses datagram sockets.

    >> I suppose it was added after Stefan's comment (in 2006).

    Juanma> Well, in fact dns-query does not work on Windows because datagram
    Juanma> sockets are still unsupported.

    Juanma> M-x load-library dns <RET>

    Juanma> M-: (dns-make-network-process "8.8.8.8")

    Juanma> => Unsupported connection type

We now have the following, which will do DNS lookups, although it
doesnʼt let you specify the server.

    network-lookup-address-info is a built-in function in `C source code'.

    (network-lookup-address-info NAME &optional FAMILY)

    Look up ip address info of NAME.
    Optional parameter FAMILY controls whether to look up IPv4 or IPv6
    addresses.  The default of nil means both, symbol `ipv4' means IPv4
    only, symbol `ipv6' means IPv6 only.  Returns a list of addresses, or
    nil if none were found.  Each address is a vector of integers.

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