From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#33133: 26.1.50; zlib-decompress-region too rigid Date: Tue, 23 Oct 2018 20:26:59 -0400 Message-ID: <87a7n4mbos.fsf@gmail.com> References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540340782 18733 195.159.176.226 (24 Oct 2018 00:26:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 24 Oct 2018 00:26:22 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) Cc: Kevin Ryde , 33133@debbugs.gnu.org To: Katsumi Yamaoka Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 24 02:26:18 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gF706-0004oQ-38 for geb-bug-gnu-emacs@m.gmane.org; Wed, 24 Oct 2018 02:26:18 +0200 Original-Received: from localhost ([::1]:44944 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gF72C-0006qF-H2 for geb-bug-gnu-emacs@m.gmane.org; Tue, 23 Oct 2018 20:28:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46359) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gF723-0006pv-5j for bug-gnu-emacs@gnu.org; Tue, 23 Oct 2018 20:28:21 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gF71u-00040D-0F for bug-gnu-emacs@gnu.org; Tue, 23 Oct 2018 20:28:14 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34690) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gF71m-0003tj-Bz for bug-gnu-emacs@gnu.org; Tue, 23 Oct 2018 20:28:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gF71m-0005QO-2t for bug-gnu-emacs@gnu.org; Tue, 23 Oct 2018 20:28:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Noam Postavsky Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 24 Oct 2018 00:28:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33133 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 33133-submit@debbugs.gnu.org id=B33133.154034082820791 (code B ref 33133); Wed, 24 Oct 2018 00:28:02 +0000 Original-Received: (at 33133) by debbugs.gnu.org; 24 Oct 2018 00:27:08 +0000 Original-Received: from localhost ([127.0.0.1]:38945 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gF70u-0005PH-H7 for submit@debbugs.gnu.org; Tue, 23 Oct 2018 20:27:08 -0400 Original-Received: from mail-it1-f176.google.com ([209.85.166.176]:34023) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gF70t-0005Os-2T for 33133@debbugs.gnu.org; Tue, 23 Oct 2018 20:27:07 -0400 Original-Received: by mail-it1-f176.google.com with SMTP id e81-v6so2882668itc.1 for <33133@debbugs.gnu.org>; Tue, 23 Oct 2018 17:27:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=EEzXwbSIFbD+aSL5HevF0ZWUzEItGnHYg8rIAkpruyE=; b=POhnoupInDzkTCkhpHkSFmoFV8CGU6v8VcgZB4nXYZypUkJZ2qzBInhysqX7e+flbb BRCO4qAKXReT+fhmwQsW3UnBNItMXucranB4N6adr4jm9DDiv+vhEDDI7VdQ7UNu91T6 /kxxZVpjV7J88V/go5ORgDttcmSgtiRk60BAgI1ZzhSbI26CRWXHAu14RBrM0cW3eoXo 5vaSrrOZE2PRrw5lA4VhpI7g1r9doT9FCOv/80jPZQkizBT1OJuKYahNhMcn7j0je9DX 2i4YjmE7RHr8OYEp4SKQXhZfxroXLVxHZK4KSz3Ah25TFrQ8h7QUsbB3REdJV3viX9HL 6Vjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=EEzXwbSIFbD+aSL5HevF0ZWUzEItGnHYg8rIAkpruyE=; b=pcBMKU55S5kWDKeUWj/Fq47ZAkX5RPZTNH3T6Udgdh6Bw0P+zFA+tpXPUrCag35MKw O+neVNYGhg+2Iv8Ac74s8zO6XTcQf1agQsMqcRdV/dBV3XjiwxGbxg/5fcLm1HuRe3/e SpFBW1536qSuF9mfqI9lxlkZ1d/vsyhLn0dsXb9SaUk95+AxQy3Gn55OSrhuyTE6L7Us zXQrfCIoC0+V+lewuDHLrC7zoJvtq1Fa36C3r+WXmJbYty9aeUsiSyDxFjPGLXHBWWtA 9WoqEkdtUynLJHofOoVMDpDgojNOYEtnymDRgOgQWROSm1htx1qstoNIGCsry3gqMFZm YTrA== X-Gm-Message-State: AGRZ1gLRnMxADytR1FFICb4SDtXqWiGUZ8JLQXbyxQdvqbkrGZhJVQLm 7snTHl8EdajIDXNo3baTKZI= X-Google-Smtp-Source: AJdET5dQ45avk9OaawuuS0GgQaDfkOpfptgsYcPezBfE9/v+b54DrM84MkGUCVZawr35HiYLv9pK3w== X-Received: by 2002:a24:a10b:: with SMTP id y11-v6mr260903ite.148.1540340821571; Tue, 23 Oct 2018 17:27:01 -0700 (PDT) Original-Received: from zebian (cbl-45-2-119-34.yyz.frontiernetworks.ca. [45.2.119.34]) by smtp.googlemail.com with ESMTPSA id 197-v6sm1102757iou.87.2018.10.23.17.27.00 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 23 Oct 2018 17:27:00 -0700 (PDT) In-Reply-To: (Katsumi Yamaoka's message of "Wed, 24 Oct 2018 08:07:50 +0900") 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: 208.118.235.43 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:151536 Archived-At: Katsumi Yamaoka writes: > Whereas `gzip -d' does, zlib-decompress-region doesn't decompress > corrupted data of a certain kind. For instance, visiting > > https://www.gutenberg.org/no-such-page-exists > > using eww shows raw gzipped data. The data extracted is attached. > As for `gzip -d', it says "unexpected end of file" in stderr. > If there is no prospect to improve zlib-decompress-region, how > about this workaround? We could have zlib-decompress-region ignore unexpected eof as well, e.g., the below (though it should obviously be enhanced to depend on a new parameter): --- i/src/decompress.c +++ w/src/decompress.c @@ -206,7 +206,7 @@ DEFUN ("zlib-decompress-region", Fzlib_decompress_region, } while (inflate_status == Z_OK); - if (inflate_status != Z_STREAM_END) + if (inflate_status != Z_STREAM_END && inflate_status != Z_BUF_ERROR) return unbind_to (count, Qnil); unwind_data.start = 0;