Re: getaddrinfo and AF_UNSPEC w/ IPv4/6 messes up ai_canonname?

[Ulrich Drepper <drepper at redhat dot com>]

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Pekka Savola wrote:
>  1) with PF_INET, this does not happen (CNAME entry is returned, not
> addresses -- at least as far as I could see): thus the current behaviour
> does not seem the same between address families.  
I don't really know what you mean.  For PF_INET no IPv6 addresses are 
returned so you cannot mean this.  The code used is the same if PF_INET 
or PF_UNSPEC is used and so numeric addresses would also be returned if 
the internal gethstbyaddr calll fails.

>  2) (not really motivation, but still..) e.g. BSD libc does not return
> addresses (the test works as "expected"); I haven't checked other
> implementations.
That's indeed no motivation.  But you could do one thing: look at the 
entire list of records returned on a BSD system.  Is the one you expect 
really the only one?  Or is it just a matter of ordering.

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