[bug] nss resolver code doesn't stop at files lookup

[Philip Blundell]

>But if hint is NULL, or hint.af_family == PF_UNSPEC, should getaddrinfo()
>fail because it had trouble finding an ipv6 addr? That makes it mandatory
>to have ipv6 support, just to use that function.

No.  It should go looking for IPv6 addresses, but it isn't entitled to fail 
if they are unavailable.

Do you have a test case that shows the bad behaviour?

p.