linux-kernel - Re: [PATCH 1/4] LOG2: Implement a general integer log2 facility in the kernel [try #4]

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Date:	Mon, 9 Oct 2006 17:05:48 +0200 (CEST)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Arnd Bergmann <arnd.bergmann@...ibm.com>
cc:	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Kyle Moffett <mrmacman_g4@....com>,
	David Howells <dhowells@...hat.com>,
	Matthew Wilcox <matthew@....cx>,
	Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>, sfr@...b.auug.org.au,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH 1/4] LOG2: Implement a general integer log2 facility in
 the kernel [try #4]

On Mon, 9 Oct 2006, Arnd Bergmann wrote:
> On Monday 09 October 2006 15:09, Geert Uytterhoeven wrote:
> > On Mon, 9 Oct 2006, Jan Engelhardt wrote:
> > > 
> > > Ouch ouch ouch. It should better be
> > > 
> > > typedef uint32_t __u32;
> > 
> > You mean
> > 
> > #ifdef __KERNEL__
> > typedef __u32 u32;
> > #else
> > // Assumed we did #include <stdint.h> before
> > typedef uint32_t __u32;
> > #endif
> 
> Why should that be a valid assumption? Right now, it works
> if you don't include stdint.h in advance.

According to C99 section 7.18 you need to include <stdint.h> first.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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