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Date: Sat, 12 Jan 2002 11:55:13 -0500
From: Jake Burkholder <jake@locore.ca>
To: Bruce Evans <bde@zeta.org.au>
Cc: Thomas Moestl <tmoestl@gmx.net>, freebsd-arch@FreeBSD.ORG
Subject: Re: adding more endian conversion and bus space functions
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References: <20020111005207.GA7246@crow.dom2ip.de> <20020111215209.V1119-100000@gamplex.bde.org>
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In-Reply-To: <20020111215209.V1119-100000@gamplex.bde.org>; from bde@zeta.org.au on Fri, Jan 11, 2002 at 10:00:45PM +1100
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Apparently, On Fri, Jan 11, 2002 at 10:00:45PM +1100,
	Bruce Evans said words to the effect of;

> On Fri, 11 Jan 2002, Thomas Moestl wrote:
> 
> > I would also like to make most of the machine/endian.h files MI, as
> > sys/endian.h. The only thing that the MD files would still contain are
> > the definintion of BYTE_ORDER and inline implementations of some
> > functions. sys/endian.h would implemented the interfaces listed in 1.
> > as well as htonl and friends for both BYTE_ORDERs.
> 
> Mike Barcroft is doing this.  IIRC, it doesn't have <sys/endian.h>, since
> the ntohl() family is declared in <net/arpa.h> according to POSIX, so
> <sys/endian.h> would be neither standard no useful.

It is useful to if we don't have to duplicate C implementations
of byte swapping functions 5 times.


> I think the bus
> space headers should not depend on any endianness support in other
> headers except <machine/endian.h> defining _[_]BYTE_ORDER.

Why?  I disagree.

> 
> Bruce
> 
> 
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