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Re: Structure alignment problem


Grant:

On Mon, Nov 04, 2002 at 10:11:56AM -0600, Grant Edwards wrote:
> On Mon, Nov 04, 2002 at 04:10:03PM +0000, Yves Rutschle wrote:
> > On Mon, Nov 04, 2002 at 09:05:15AM -0600, Grant Edwards wrote:
> > > I beat my head against that one for a couple days and never
> > > figured it out.  I asked on the gcc mailing list and all I got
> > > were adminishments for trying to use structs to layout data in
> > > an externally defined manner.
> > 
> > How else can you do it? Sprintf everything as text? :-)
> 
> Use memcpy() to transfer data to and from an array of unsigned
> chars at hard-wired offsets.

Can you imagine having to look at code like that a year later?  :^)

Yep, structure-defined i/o is evil.  But the alternatives are much worse...

/me goes back to evil-izing a ps/2 driver on a new MIPS sbc


b.g.
-- 
Bill Gatliff
GNU-based embedded development, training and consulting services.
See http://billgatliff.com for details.

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