[Bug network/14415] AI_V4MAPPED is useless with AI_UNSPEC but they're used together as defaults when hints=NULL

[carlos_odonell at mentor dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14415

Carlos O'Donell <carlos_odonell at mentor dot com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |WAITING
                 CC|                            |carlos_odonell at mentor
                   |                            |dot com

--- Comment #1 from Carlos O'Donell <carlos_odonell at mentor dot com> 2012-08-03 04:03:51 UTC ---
My understanding is that because the default uses AF_UNSPEC that the caller
accepts *any* address family thus AI_V4MAPPED is not useless because AF_UNSPEC
can be treated as anything including AF_INET6.

Does that clarify why we would set AI_V4MAPPED in the default?

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