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From: Eli Zaretskii <eliz@gnu.org>
To: Stephen Berman <stephen.berman@gmx.net>
Cc: 43597@debbugs.gnu.org, schwab@linux-m68k.org
Subject: bug#43597: 28.0.50; arc-mode.el fails to display a ZIP file
Date: Fri, 25 Sep 2020 09:01:02 +0300	[thread overview]
Message-ID: <83a6xetmxt.fsf@gnu.org> (raw)
In-Reply-To: <87zh5evrgw.fsf@gmx.net> (message from Stephen Berman on Thu, 24 Sep 2020 22:40:15 +0200)

> From: Stephen Berman <stephen.berman@gmx.net>
> Date: Thu, 24 Sep 2020 22:40:15 +0200
> Cc: 43597@debbugs.gnu.org
> 
>   (let ((p (archive-l-e (+ (point) 16) 4))
>         files)
>     (when (= p -1)
>       ;; If the offset of end-of-central-directory is -1, this is a
>       ;; Zip64 extended ZIP file format, and we need to glean the info
>       ;; from Zip64 records instead.
> 
> But the first value returned by archive-l-e for this file is 255, not
> -1, and on each iteration the value increases, so the ZIP64 code in the
> body of the when-clause is never executed.

This code worked when support for ZIP64 was added.

Could it be that the problem is in archive-l-e?  Something related to
bignums, perhaps?  Why does it return 255 instead of -1 in this case?





  parent reply	other threads:[~2020-09-25  6:01 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 20:02 bug#43597: 28.0.50; arc-mode.el fails to display a ZIP file Stephen Berman
2020-09-24 20:25 ` Andreas Schwab
2020-09-24 20:40   ` Stephen Berman
2020-09-24 21:58     ` Stephen Berman
2020-09-24 22:20       ` Stephen Berman
2020-09-25  6:01     ` Eli Zaretskii [this message]
2020-09-25  7:13       ` Stephen Berman
2020-09-25  9:37         ` Eli Zaretskii
2020-09-25  9:53           ` Eli Zaretskii
2020-09-25 10:32             ` Stephen Berman
2020-09-25 11:00             ` Eli Zaretskii
2020-09-25 12:05               ` Stephen Berman
2020-09-25 12:38                 ` Eli Zaretskii
2020-09-25 12:43                   ` Eli Zaretskii
2020-09-25 12:49                     ` Stephen Berman
2020-09-25 13:33                     ` Eli Zaretskii
2020-09-25 13:58                       ` Stephen Berman
2020-09-25 14:12                         ` Eli Zaretskii

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