Re: sockets APIs extensions for Host Identity Protocol

[der Mouse <[e-mail]>]

> I am curious.  Even though this is irrelevant for the discussion, can
> be more specific on what is broken with getaddrinfo?

The major annoyance it has for me is the requirement that, to quote the
manpage for the version I use, "[i]n this hints structure all members
other than ai_flags, ai_family, ai_socktype, and ai_protocol must be
zero or a NULL pointer".  This requires the app to either have a static
struct addrinfo around or to know the complete list of members of the
struct - and it's completely unnecessary as far as I can see.  (It
makes sense to have some kind of extensibility hook, but that could be
done with a bit in ai_flags, or at least listing the fields that have
to be zeroed rather than requiring it of all except a list.)

Not a big problem, true.  But annoying.  (Apparently the getaddrinfo()
I've got used to doesn't suffer from most of the brokennesses outlined
in this thread.  If I had to deal with them I'd have a lot more to say
here, I'm sure.)

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