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Date: Sat, 08 Sep 2001 05:29:21 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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To: Jonathan Lemon <jlemon@flugsvamp.com>
Cc: Bill Fenner <fenner@research.att.com>, arch@FreeBSD.ORG
Subject: Re: Causing <netinet/in.h> to depend on <sys/socket.h>
References: <200109071748.KAA21991@windsor.research.att.com> <3B991BF8.5BF2E5E2@mindspring.com> <20010907144337.Z20137@prism.flugsvamp.com>
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Jonathan Lemon wrote:
> > If this is done with pointers, rather than instances or
> > member references, in the API code, just forward declare
> > the structure, and use it as an opaque type, e.g.:
> 
> Uhm.  Please go look at the definition of sockaddr_storage in
> <sys/socket.h>.  See RFC 2553 for more information.  Not speaking
> for Bill, but my guess he needs to use this to allocate storage
> in a protocol-independent fashion.

You mean like "not dependent on IPv4/IPv6, OK for use with IPX
and XNS and AppleTalk" because it's not wedged into an ``in''
specific header file?


> The other alternative may be to create 'sockaddr_storage46'
> in <netinet/in.h>, but that probably is equally yucky.

or sockaddr_storage_in, which would be more in keeping with
the current style and implementation.

Really, we went through *HELL* and a lot of bitching and
moaning to _get rid_ of #include files that bring in #include
files; this proposal intends to undo all that fine work, from
what I can see...


-- Terry

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