Re: Set IPV6_V6ONLY socket option when -6 switch is used.

Hrvoje Niksic <[email protected]> writes:

> One problem with this patch is that it has a pretty ugly failure mode:
>
> $ wget -6 http://\[::ffff:127.0.0.1\]
> --12:53:36--  http://[::ffff:127.0.0.1]/
>            => `index.html'
> Connecting to ::ffff:127.0.0.1:80... failed: Network is unreachable.
> Retrying.
> ...
>
> And so repeated for 19 more times.

I've now fixed this by making retryable_socket_connect_error return 0
for ENETUNREACH and for EHOSTUNREACH.  This makes at least as much
sense as not retrying on ECONNREFUSED, and can be overridden using
--retry-connrefused.