bug#42535: 28.0.50; macOS test failure: echo-server-with-dns

[Lars Ingebrigtsen]

Robert Pluim <rpluim@gmail.com> writes:

> Why restrict yourself to IPv4?
>
> (network-lookup-address-info (system-name))
> => ([0 0 0 0 0 0 0 1 0] [127 0 0 1 0])

Sure.  So if the first octet is 0 or 127, then we have a resolving
(system-name)?  I'm not sure what the rules are on ipv6 for localhost...

> Note that strictly speaking this doesnʼt test DNS, since in my case
> itʼs just looking in /etc/hosts, but it does test the resolver.

Yes, but from make-network-process's point of view, that doesn't make
any difference, I think...

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   bloggy blog: http://lars.ingebrigtsen.no