linux-kernel - Re: [PATCH 01/24] types: create <asm-generic/int-*.h>

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Message-ID: <4812357C.5010904@zytor.com>
Date:	Fri, 25 Apr 2008 12:48:12 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Matthew Wilcox <matthew@....cx>,
	Jan Engelhardt <jengelh@...putergmbh.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Arch Mailing List <linux-arch@...r.kernel.org>
Subject: Re: [PATCH 01/24] types: create <asm-generic/int-*.h>

Linus Torvalds wrote:
> 
> On Fri, 25 Apr 2008, H. Peter Anvin wrote:
>> I have to admit to liking the Windows extension %I64u for this kind of stuff.
>> Unfortunately gcc/glibc decided to use I for internationalized digits instead
>> :(
> 
> The sad part is that this is purely a gcc thing. We could easily do the 
> right thing in the kernel vsnprintf stuff, but then we'd have to drop the 
> nice format warnings from gcc ;(
> 

Yes, that's the fundamental problem.

There isn't even a flag for gcc to set this behaviour, with the result 
that any code compiled with MinGW (gcc for Win32) spews warnings like crazy.

	-hpa
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