Date: Tue, 8 Jul 2003 19:02:09 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Tony Finch <dot@dotat.at> Cc: Philippe Charnier <charnier@FreeBSD.org> Subject: Re: cvs commit: src/usr.sbin/lpr/lpd lpd.c ... Message-ID: <20030708185807.R10890@gamplex.bde.org> In-Reply-To: <20030707144037.GA30539@chiark.greenend.org.uk> References: <200307061244.h66CiBqg079835@repoman.freebsd.org> <20030707003216.GI72093@elvis.mu.org> <20030707200516.E7247@gamplex.bde.org> <20030707144037.GA30539@chiark.greenend.org.uk>
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On Mon, 7 Jul 2003, Tony Finch wrote: > On Mon, Jul 07, 2003 at 08:15:40PM +1000, Bruce Evans wrote: > > On Sun, 6 Jul 2003, Garance A Drosihn wrote: > > > > > [ ignoring that question for the moment, why would I want > > > to define __FBSDID as 'struct __hack'? ] > > > > You would have to define it as something non-null (if you didn't > > remove it), since defining it to null would give a syntax error > > for the ";" following it (if you didn't remove this instead). > > "struct __hack" is a harmless non-null something which uses an > > unusual (?) struct hack as an implementation detail. > > Though be warned that the identifier __hack is reserved so it > would be better to choose something else for portability. __FBSDID is reserved too, so #defining it already gives undefined behaviour :-). Bruce
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