Date: Wed, 10 May 2000 20:43:44 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Simon Shapiro <shimon@simon-shapiro.org> Cc: freebsd-current@freebsd.org, obrien@freebsd.org, Mike Smith <msmith@freebsd.org> Subject: Re: One more question (different now) Message-ID: <Pine.BSF.4.21.0005102042580.47945-100000@salmon.nlsystems.com> In-Reply-To: <XFMail.000510113447.shimon@simon-shapiro.org>
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On Wed, 10 May 2000, Simon Shapiro wrote: > > On 10-May-00 Doug Rabson wrote: > > On Tue, 9 May 2000, Mike Smith wrote: > > > >> > On Tue, May 09, 2000 at 04:27:10PM -0700, Mike Smith wrote: > >> > > The only answer I've seen for this one is to kick, hard, whoever it was > >> > > that added -Wcast-qual to the kernel options. > >> > > >> > Or we should just delete it from the options. > >> > >> Ugh. I don't actually like that, because it serves a valid purpose. > >> What irritates me mostly is just that there is no way of casting a > >> volatile object into a non-volatile type, so you can't implement any sort > >> of conditional volatility exclusion. > > > > You can suppress the warning if you cast to uintptr_t first. Pretty ugly > > though. > > It actually worked! Now I will go and see what this uintptr_t > actually is :-) Its an unsigned integer type which is the same size as a pointer (i.e. its safe to cast a pointer to uintptr_t without losing information). -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 20 8442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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