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From: Daniel Phillips <phillips@bonn-fries.net>
To: Davide Libenzi <davidel@xmailserver.org>
Subject: Re: linux/macros.h(new) and linux/list.h(mod) ...
Date: Fri, 6 Jul 2001 01:54:07 +0200
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Cc: David Woodhouse <dwmw2@infradead.org>, linux-kernel@vger.kernel.org
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On Friday 06 July 2001 01:49, you wrote:
> On Friday 06 July 2001 01:21, Davide Libenzi wrote:
> > On 05-Jul-2001 Alan Cox wrote:
> > >> Life's a bitch.
> > >> cf. get_user(__ret_gu, __val_gu); (on i386)
> > >>
> > >> Time to invent a gcc extension which gives us unique names? :)
> > >
> > >#define min(a,b) __magic_minfoo(a,b, __var##__LINE__, __var2##__LINE__)
> > >
> > >#define __magic_minfoo(A,B,C,D) \
> > >       { typeof(A) C = (A)  .... }
> >
> > Anyway I think that :
> >
> > int _a = 5;
> >
> > for (;;) {
> >         int _a = _a;
> >         ...
> > }
> >
> > must :
> >
> > 1) assign the upper level value of _a
> >
> > or :
> >
> > 2) generate an compiler error
>
> Well, I happen to agree with you, but in this case, c's scope rules
> are stupidly broken, they are not going to change, and we have to
> live with it ;-)
>
> --
> Daniel
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