linux-kernel - Re: resource_size

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Date:	Tue, 27 Feb 2007 12:02:50 +0100 (CET)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Kyle McMartin <kyle@...isc-linux.org>
cc:	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: resource_size_t printk whinging

On Mon, 26 Feb 2007, Kyle McMartin wrote:
> I submitted this patch a while ago, but nobody commented on it.
> All these casts of resource_size_t to (unsigned long long) seem horribly
> wasteful to me...
> 
> Of course, to add a new format qualifier, we lose out on checking the format
> string by gcc... Nowadays, this role can be done by sparse.

But we don't run sparse on every build. We do run gcc (a lot).

> --- a/lib/vsprintf.c
> +++ b/lib/vsprintf.c
> @@ -477,6 +478,8 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
>  			num = (unsigned short) va_arg(args, int);
>  			if (flags & SIGN)
>  				num = (signed short) num;
> +		} else if (qualifier == 'R' || qualifier == 'R') {
                                         ^                   ^
One of them must be lowercase `r'.

> +			num = va_arg(args, resource_size_t);
>  		} else {
>  			num = va_arg(args, unsigned int);
>  			if (flags & SIGN)

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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