linux-kernel - Re: [PATCH 1/2] USB: ffs-test: fix header path

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Date:	Thu, 27 Jan 2011 14:53:56 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Davidlohr Bueso <dave@....org>
cc:	Michal Nazarewicz <m.nazarewicz@...sung.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	LKML <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>
Subject: Re: [PATCH 1/2] USB: ffs-test: fix header path

On Thu, 27 Jan 2011, Davidlohr Bueso wrote:

> From: Davidlohr Bueso <dave@....org>
> 
> When compiling this program the functionfs.h header cannot be found, producing:
> ffs-test.c:40: fatal error: linux/usb/functionfs.h: No such file or directory
> 
> This patch also fixes the following warning:
> ffs-test.c:453: warning: format â%4dâ expects type âintâ, but argument 3 has type âsize_tâ

> @@ -450,7 +450,7 @@ invalid:
>  		    len, expected, *p);
>  		for (p = buf, len = 0; len < nbytes; ++p, ++len) {
>  			if (0 == (len % 32))
> -				fprintf(stderr, "%4d:", len);
> +				fprintf(stderr, "%4ld:", len);

Since len's type is size_t, shouldn't the format be %4z?

Alan Stern

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