unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Stephen Berman <stephen.berman@gmx.net>
Cc: emacs-devel@gnu.org
Subject: Re: arc-mode.el bug or malformed ZIP file?
Date: Mon, 28 Sep 2020 13:08:31 -0400	[thread overview]
Message-ID: <jwvk0wd25mt.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <875z83vt86.fsf@gmx.net> (Stephen Berman's message of "Thu, 24 Sep 2020 22:02:17 +0200")

>>> undamaged).  So at least unzip can deal with this file.  So is this a
>>> bug in arc-mode.el?
>> Probably.  Could be a new file format, for instance (e.g. maybe the old
>> format understood by arc-mode.el is limited to 2GB sizes or something
>> like that?).
> The size can't be the reason for the failure: the ZIP file whose

I'm not saying it's because of the size, but because of a change of
format (and this new format was introduced because of size limits in
the old format).

Eli just installed a patch a few days ago which seems to confirm my
suspicion:

    commit f31c6792ab98c8be343838f59d96e35c05353521 (emacs-27)
    Author: Eli Zaretskii <eliz@gnu.org>
    Date:   Fri Sep 25 17:11:11 2020 +0300
    
        Fix support for Zip64 zip files
        
        * lisp/arc-mode.el (archive-zip-summarize): Fix detection of Zip64
        central directory.  Support 64-bit file size field used by Zip64.
        (Bug#43597)


-- Stefan




  reply	other threads:[~2020-09-28 17:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-23 23:13 arc-mode.el bug or malformed ZIP file? Stephen Berman
2020-09-24  2:05 ` Stefan Monnier
2020-09-24 20:02   ` Stephen Berman
2020-09-28 17:08     ` Stefan Monnier [this message]
2020-09-28 18:11       ` Eli Zaretskii

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jwvk0wd25mt.fsf-monnier+emacs@gnu.org \
    --to=monnier@iro.umontreal.ca \
    --cc=emacs-devel@gnu.org \
    --cc=stephen.berman@gmx.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).