From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: Re: No coding system used for environment variables Date: Wed, 05 Mar 2008 11:34:53 +0100 Message-ID: References: <200802212140.m1LLeebW008878@freddi.uddeborg.se> <47CDEBFD.1060603@gnu.org> <47CE607B.1000708@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1204713369 17832 80.91.229.12 (5 Mar 2008 10:36:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Mar 2008 10:36:09 +0000 (UTC) Cc: bug-gnu-emacs@gnu.org, 38@emacsbugs.donarmstrong.com, =?iso-8859-1?Q?G?= =?iso-8859-1?Q?=F6ran?= Uddeborg To: Jason Rumney Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Mar 05 11:36:36 2008 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1JWqyx-0007QE-LH for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Mar 2008 11:36:19 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JWqyP-00024F-8M for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Mar 2008 05:35:45 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JWqxk-00021r-Vq for bug-gnu-emacs@gnu.org; Wed, 05 Mar 2008 05:35:05 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JWqxi-00020o-KX for bug-gnu-emacs@gnu.org; Wed, 05 Mar 2008 05:35:04 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JWqxh-00020K-BO for bug-gnu-emacs@gnu.org; Wed, 05 Mar 2008 05:35:01 -0500 Original-Received: from cantor2.suse.de ([195.135.220.15] helo=mx2.suse.de) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JWqxc-0001Bp-Uy; Wed, 05 Mar 2008 05:34:57 -0500 Original-Received: from Relay2.suse.de (relay-ext.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 26DD6396DB; Wed, 5 Mar 2008 11:34:55 +0100 (CET) X-Yow: On SECOND thought, maybe I'll heat up some BAKED BEANS and watch REGIS PHILBIN.. It's GREAT to be ALIVE!! In-Reply-To: <47CE607B.1000708@gnu.org> (Jason Rumney's message of "Wed\, 05 Mar 2008 08\:57\:31 +0000") User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) X-detected-kernel: by monty-python.gnu.org: Linux 2.4-2.6 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:17660 Archived-At: Jason Rumney writes: > YAMAMOTO Mitsuharu wrote: >> Second, as DECODE_FILE causes GC and string compaction in general, >> some variables such as `nm' in Fexpand_file_name may not point to >> valid data after that. > > This is a problem on some systems that still do not support stack marki= ng > for GC protection of such variables. But I think this bug is important > enough to fix those problems rather than revert the patch. Only Lisp_Object variables are protected. Failing to protect non-Lisp_Object pointers can result in crashes. A crash is always the worst possible problem. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany PGP key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED= 5 "And now for something completely different."