linux-kernel - Re: [RFC][PATCH] A generic boolean (version 3)

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Message-ID:  <m3mzb2c6bt.fsf@tyfon.gullik.net>
Date:	22 Jul 2006 11:55:02 +0200
From:	larsbj@...lik.net (Lars Gullik Bjønnes)
To:	linux-kernel@...r.kernel.org
Subject:  Re: [RFC][PATCH] A generic boolean (version 3)

ricknu-0@...dent.ltu.se writes:

| --- a/include/asm-i386/types.h
| +++ b/include/asm-i386/types.h
| @@ -1,6 +1,13 @@
|  #ifndef _I386_TYPES_H
|  #define _I386_TYPES_H
|  
| +#if __GNUC__ >= 3
| +typedef _Bool bool;
| +#else
| +#warning You compiler doesn't seem to support boolean types, will set 'bool' as
| an 'unsigned int'
| +typedef unsigned int bool;
| +#endif
| +

What does C99 say about sizeof(_Bool)?

At least with gcc 4 it is 1. Can that pose a problem? gcc < 3 giving a
different size for bool?

-- 
	Lgb

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