From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1N7jSB-00059f-94 for mharc-grub-devel@gnu.org; Tue, 10 Nov 2009 00:39:43 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N7jS9-00059R-1h for grub-devel@gnu.org; Tue, 10 Nov 2009 00:39:41 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N7jS4-00058p-5Q for grub-devel@gnu.org; Tue, 10 Nov 2009 00:39:40 -0500 Received: from [199.232.76.173] (port=45186 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N7jS4-00058m-06 for grub-devel@gnu.org; Tue, 10 Nov 2009 00:39:36 -0500 Received: from mail-pw0-f47.google.com ([209.85.160.47]:38407) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1N7jS3-00073w-KS for grub-devel@gnu.org; Tue, 10 Nov 2009 00:39:35 -0500 Received: by pwi9 with SMTP id 9so739965pwi.26 for ; Mon, 09 Nov 2009 21:39:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=DRMMdUquuKrlwTvaOcj7rr/nIE+95dtxuCe/uw+8w7E=; b=tn/oqEPW3Taj8Z3to83xdcqBexfCwIgnJk06gRavg1sdqhHfqnHvOSiuBPmCfUZPdH 45NSwnZi9l6DGs5+aFYChY3HEMbMATyChttf+Nxz2KNxGv6Dev219PV8HM+OJxHBMW2J 7cHCmRXidqOTsQDW1na16GE5R36NwcpKL03Ws= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=at71nLJfbBvZ3FWqIcYrDxE2TxVseaS9Q4tRz4XPx8xXgqOnodZXl2QLhYgvGlSDmu uSWadv4XzxRvtyUE1mVMERCYNryzd0nRhP7gtgq1wTUyr1M2niPWnkG2NuNK0zYjCrkC gSnfdrW/fRGUHeOnQFCDWZWTGeBwAWk2URd0M= MIME-Version: 1.0 Received: by 10.140.174.7 with SMTP id w7mr500359rve.138.1257831573969; Mon, 09 Nov 2009 21:39:33 -0800 (PST) In-Reply-To: <4AF88AEF.8010102@gmail.com> References: <20091109010422.GA23417@thorin> <4AF85568.7080105@duboucher.eu> <20091109181010.GA7372@thorin> <4AF85C54.3080302@gmail.com> <20091109182518.GA14767@thorin> <4AF86387.7090307@gmail.com> <4AF885EE.7000709@duboucher.eu> <4AF88AEF.8010102@gmail.com> Date: Tue, 10 Nov 2009 13:39:33 +0800 Message-ID: From: Bean To: The development of GNU GRUB Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Subject: Re: Imminent bugfix release (1.97.1) X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Nov 2009 05:39:41 -0000 On Tue, Nov 10, 2009 at 5:34 AM, Vladimir 'phcoder' Serbinenko wrote: > But now it has a technical problem: it may read post array definitions. > If any of post-array memory is MMIO or absent reading from it may have > peculiar consequences >> =A0 =A0 Also, because s1 and s2 have two differents roles, I think it wo= uld be >> best to give them names that better suits them. ;) Hi, Right, I think it'd be better to use fixed size array, perhaps we can define a type grub_password_t for it. BTW, with fixed size array, the following algorithm should run exactly the same amount of instruction each time: typedef char grub_password_t[1024]; int grub_auth_strcmp (const grub_password_t s1, const grub_password_t s2) { int r1 =3D 0; int r2 =3D 0; int i, *p; p =3D &r1; for (i =3D 0; i < sizeof (grub_password_t); i++, s1++, s2++) { *p |=3D (*s1 ^ *s2); if (*s1 =3D=3D '\0') p =3D &r2; } return (r1 !=3D 0); } --=20 Bean My repository: https://launchpad.net/burg Document: https://help.ubuntu.com/community/Burg