Re: sockets APIs extensions for Host Identity Protocol

[der Mouse <[e-mail]>]

>> The major annoyance [getaddrinfo] 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".
> You should be able to just memset() it to 0.  (I believe POSIX gives
> you more guarantees than C in this respect.)

POSIX requires nil pointers to be all-bits-zero?  That's..bizarre.
Must be rather crippling for anyone trying to work with oddball
architectures.

I'd also recommend against depending on it when designing interfaces;
these interfaces get used in not-quite-POSIX and sometimes even
not-even-close-to-POSIX systems, and I think it would be good if they
didn't depend on POSIX features unnecessarily - and I see this as a
totally unnecessary dependency.

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