linux-kernel - Re: [PATCH V2] sparse: Allow override of sizeof(bool) warning

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Message-ID: <20140227160112.GG18191@pd.tnic>
Date:	Thu, 27 Feb 2014 17:01:12 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Theodore Ts'o <tytso@....edu>, Joe Perches <joe@...ches.com>,
	Ben Pfaff <blp@...ira.com>,
	Christopher Li <sparse@...isli.org>,
	Josh Triplett <josh@...htriplett.org>,
	linux-sparse@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2] sparse: Allow override of sizeof(bool) warning

On Thu, Feb 27, 2014 at 07:48:35AM -0800, H. Peter Anvin wrote:
> No, but I think we can certainly make a list... a lot of it right now
> sits in various people's heads.
> 
> Here are a couple:
> 
> - Bytes are 8 bits
> - Signed integers will be 2's complement
> - sizeof char, short, int, long, and long long will be 1, 2, 4, 4, 8 or
		^					   ^
	       bool, 					  ,1 ,


>   1, 2, 4, 8, 8 on 32- and 64-bit processors, respectively.
> - sizeof(long) == sizeof(void *)
> - NULL is represented by all zero
> - Structures will not add padding as long as all the members are
>   naturally aligned.
> 
> Someone want to set up a collaborative document of some kind and collect
> more?

https://wiki.kernel.org/ but I hear spammers love it.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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