From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#38587: base64-decode-region breaks encoding Date: Sun, 15 Dec 2019 09:56:18 +0100 Message-ID: <87eex66k7h.fsf@hase.home> References: <87blsdhzeb.fsf@mail.linkov.net> <87pngtndhd.fsf@gnus.org> <87v9qieb6t.fsf@mail.linkov.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="262782"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) Cc: Lars Ingebrigtsen , 38587@debbugs.gnu.org To: Juri Linkov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Dec 15 09:57:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1igPiB-0016Fa-Pf for geb-bug-gnu-emacs@m.gmane.org; Sun, 15 Dec 2019 09:57:11 +0100 Original-Received: from localhost ([::1]:37178 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igPiA-00055j-IV for geb-bug-gnu-emacs@m.gmane.org; Sun, 15 Dec 2019 03:57:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56945) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igPi3-00055a-9Q for bug-gnu-emacs@gnu.org; Sun, 15 Dec 2019 03:57:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1igPi2-0008Ft-7R for bug-gnu-emacs@gnu.org; Sun, 15 Dec 2019 03:57:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:58252) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1igPi2-0008FK-2Y for bug-gnu-emacs@gnu.org; Sun, 15 Dec 2019 03:57:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1igPi2-0007mg-2L for bug-gnu-emacs@gnu.org; Sun, 15 Dec 2019 03:57:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 15 Dec 2019 08:57:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38587 X-GNU-PR-Package: emacs Original-Received: via spool by 38587-submit@debbugs.gnu.org id=B38587.157640018429877 (code B ref 38587); Sun, 15 Dec 2019 08:57:02 +0000 Original-Received: (at 38587) by debbugs.gnu.org; 15 Dec 2019 08:56:24 +0000 Original-Received: from localhost ([127.0.0.1]:35992 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1igPhQ-0007lp-LU for submit@debbugs.gnu.org; Sun, 15 Dec 2019 03:56:24 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.9]:34300) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1igPhO-0007lg-7x for 38587@debbugs.gnu.org; Sun, 15 Dec 2019 03:56:23 -0500 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 47bJD433JFz1qqkS; Sun, 15 Dec 2019 09:56:20 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 47bJD41QjSz1rhBG; Sun, 15 Dec 2019 09:56:20 +0100 (CET) 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 nWoeXuQlvn-o; Sun, 15 Dec 2019 09:56:19 +0100 (CET) X-Auth-Info: LTnDAHZmPHdrbGqOvz/6Y1bnvKOX/SJ36d7tYGNulcXOQojzdHwv/gYaHftYtmPq Original-Received: from hase.home (ppp-46-244-172-19.dynamic.mnet-online.de [46.244.172.19]) (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; Sun, 15 Dec 2019 09:56:19 +0100 (CET) Original-Received: by hase.home (Postfix, from userid 1000) id 4FFBB1012CF; Sun, 15 Dec 2019 09:56:18 +0100 (CET) X-Yow: Content: 80% POLYESTER, 20% DACRON.. The waitress's UNIFORM sheds TARTAR SAUCE like an 8'' by 10'' GLOSSY.. In-Reply-To: <87v9qieb6t.fsf@mail.linkov.net> (Juri Linkov's message of "Sun, 15 Dec 2019 01:31:38 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:173368 Archived-At: On Dez 15 2019, Juri Linkov wrote: > Maybe an additional CODING arg for base64-decode-region? BASE64 is defined on a sequence of bytes. It doesn't make sense to apply it to characters. The input of base64-encode-region needs to be encoded into bytes and the output of base64-decode-region needs to be decoded into characters. If you do that, you get a full reversible operation. > Or it would be enough to use the coding system of the > output buffer? The coding system of the output buffer has nothing to do with the coding of the data produced by base64-decode-region, just like process-coding-system is independent from the coding system of the process buffer. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."