From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ew0-f49.google.com ([209.85.215.49]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1QBoxg-0003cX-Vs for linux-mtd@lists.infradead.org; Mon, 18 Apr 2011 13:57:57 +0000 Received: by ewy3 with SMTP id 3so1562203ewy.36 for ; Mon, 18 Apr 2011 06:57:55 -0700 (PDT) Subject: Re: [PATCHv2 2/2] mkfs.jffs2: fix casting of __off64_t From: Artem Bityutskiy To: Mike Frysinger In-Reply-To: References: <1302783893.2796.27.camel@localhost> <802c3655ae5130e95b01e5004710f206a3d9ef9c.1303115468.git.ext-andriy.shevchenko@nokia.com> <2285954c62e0401291aa3f5055bc79c6789149d7.1303115468.git.ext-andriy.shevchenko@nokia.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 18 Apr 2011 16:55:01 +0300 Message-ID: <1303134901.8589.9.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: linux-mtd@lists.infradead.org, Andy Shevchenko Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2011-04-18 at 09:49 -0400, Mike Frysinger wrote: > On Mon, Apr 18, 2011 at 04:31, Andy Shevchenko wrote: > > The casting of __off64_t to unsigned long potentially wrong for values higher > > than ULONG_MAX. Let's fix that. > > i dont think this is the way to go. on 64bit systems, long long is > 128bits. i imagine the way to go (assuming we're always using LFS) is > to use PRIu64 from inttypes.h sizeof(unsigned long long) is 8 (64 bits) on my x86_64 fedora. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)