From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: master 3139551: =?utf-8?Q?Don=E2=80=99t?= attempt to modify constant strings Date: Mon, 18 May 2020 09:03:31 +0200 Message-ID: <87h7wdrags.fsf@igel.home> References: <20200517052512.20679.37725@vcs0.savannah.gnu.org> <20200517052513.C95BC20A2C@vcs0.savannah.gnu.org> <20162b4a-3527-5c5d-3b7f-fb0e67a70d88@yandex.ru> <02b0ee0f-c386-f51a-f8d2-ef338fcec1bc@cs.ucla.edu> <213ab8c4-dd38-19ef-bd8a-87855238df1a@cs.ucla.edu> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="94941"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.91 (gnu/linux) Cc: emacs-devel@gnu.org, Dmitry Gutov To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon May 18 09:04:42 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jaZpJ-000Ob9-WA for ged-emacs-devel@m.gmane-mx.org; Mon, 18 May 2020 09:04:41 +0200 Original-Received: from localhost ([::1]:55988 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jaZpJ-0001Q6-2Z for ged-emacs-devel@m.gmane-mx.org; Mon, 18 May 2020 03:04:41 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35228) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jaZoW-0000qE-59 for emacs-devel@gnu.org; Mon, 18 May 2020 03:03:52 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.10]:54630) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jaZoT-0008BI-ON for emacs-devel@gnu.org; Mon, 18 May 2020 03:03:51 -0400 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 49QVNg1DMLz1rv0N; Mon, 18 May 2020 09:03:46 +0200 (CEST) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 49QVNf0P9Tz1qrKV; Mon, 18 May 2020 09:03:46 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id aKvglgOmRZ_z; Mon, 18 May 2020 09:03:45 +0200 (CEST) X-Auth-Info: 1IyWXarLBtV8i2YLvHn1AQd/K+DxXycTaSKHYrIG8XE6f4OAt5VehDg/ugyYEUiU Original-Received: from igel.home (ppp-46-244-178-90.dynamic.mnet-online.de [46.244.178.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Mon, 18 May 2020 09:03:45 +0200 (CEST) Original-Received: by igel.home (Postfix, from userid 1000) id 442D12C0B37; Mon, 18 May 2020 09:03:31 +0200 (CEST) X-Yow: By MEER biz doo SCHOIN.. In-Reply-To: <213ab8c4-dd38-19ef-bd8a-87855238df1a@cs.ucla.edu> (Paul Eggert's message of "Sun, 17 May 2020 16:16:56 -0700") Received-SPF: pass client-ip=212.18.0.10; envelope-from=whitebox@nefkom.net; helo=mail-out.m-online.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/18 03:03:47 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:250713 Archived-At: On Mai 17 2020, Paul Eggert wrote: > That would run afoul of the whole idea of clearing the string in the first > place, which was to avoid having one's password lying around in memory for a bad > actor to grab it. But doing it in the caller is equally bad. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."