Subject: Re: CVS commit: basesrc/usr.bin/file
To: None <email@example.com>
From: der Mouse <mouse@Rodents.Montreal.QC.CA>
Date: 06/06/2002 14:21:09
>> Except that it is very useful to be able to use structures to map
>> over device register sets.
> It might be "useful" to you, but it's just flat out wrong for
> portable code, especially of course if you're using bitfields,
> #define offsetof(type,memb) ((size_t)&((type *)0)->memb)
> They do go on to warn that an implementation need not permit such use
> of the null pointer constant in that fashion, but I've never
> encountered a compiler implementation that disallowed it.....
Does anyone else see the irony of these being juxtaposed in the same
message? Especially since "map[ping] over device register[s]" is
approximately the last place you have to worry about portability to
every compiler on the planet?
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