Broken dbus

[Steven Moix]

Heh! Thanks for this very complete and clear explanation :)

Steven

On Sun, 2008-04-27 at 11:05 -0400, Jay Estabrook wrote:
> Sigh...
> 
> I knew it was too early on a Sunday morning for this... ;-}
> 
> Estabrook, Jay wrote:
> > 
> > The poor programming practice (hal) arises from assuming that all
> > architectures have a natural boundary of 32-bits. Something like
> > the following are indicative:
> > 
> >    pointer = (void *)((((char *)address) + 3) & ~3);
> 
> Should be:
> 
>     pointer = (void *)((((char *)address) + 4) & ~3);
> 
> which rounds UP to the next 32-bit natural boundary.
> 
> > 
> > Better is:
> > 
> >    #define SZM (sizeof(void*)-1)
> >    pointer = (void *)((((char *)address) + SZM) & ~SZM);
> 
> And this should be:
> 
>    #define SZ  (sizeof(void*))
>    #define SZM (SZ-1)
>    pointer = (void *)((((char *)address) + SZ) & ~SZM);
> 
> which also rounds UP.
> 
> Now back to the funny pages... ;-}
> 
> --Jay++
> 
> _______________________________________________
> axp-list mailing list
> axp-list at redhat.com
> https://www.redhat.com/mailman/listinfo/axp-list