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From: Eli Zaretskii <eliz@gnu.org>
To: monnier@iro.umontreal.ca
Cc: 15260@debbugs.gnu.org
Subject: bug#15260: cannot build in a directory with non-ascii characters
Date: Thu, 31 Oct 2013 21:41:04 +0200	[thread overview]
Message-ID: <83habxcjov.fsf@gnu.org> (raw)
In-Reply-To: <83mwlpcmm7.fsf@gnu.org>

> Date: Thu, 31 Oct 2013 20:37:52 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 15260@debbugs.gnu.org
> 
> > From: Stefan Monnier <monnier@iro.umontreal.ca>
> > Cc: handa@gnu.org,  15260@debbugs.gnu.org
> > Date: Thu, 31 Oct 2013 14:09:39 -0400
> > 
> > So you mean that we have:
> > - charset-map-path is a multibyte string.
> > - the file-name encoding uses a charset that's not yet loaded.
> 
> Yes.
> 
> > How do we get into such a state?
> 
> Not sure about the details, since I don't really understand when Emacs
> needs to load the charset map.  Perhaps the map is needed only when we
> need to encode a string, not for decoding?

Actually, as can be seen from load_charset_map, we do different things
when the map is needed for decoding and for encoding.  So what
probably happened was that when the file names in load-path etc. were
decoded from cpNNNN, the map file was loaded and load_charset_map did
whatever was necessary to set up the decoder for this encoding.  Then,
when we need to encode a file name using the same cpNNNN, the map file
is loaded again, and load_charset_map now sets up the encoder.

When the decoder was set up, charset-map-path was still in unibyte
form, so the whole thing worked, because ENCODE_FILE doesn't try to
encode unibyte strings.  But once charset-map-path itself was decoded,
the recursive call to 'openp' inside load_charset_map_from_file tried
to encode it, and triggered infinite recursion.





  reply	other threads:[~2013-10-31 19:41 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-03 17:46 bug#15260: cannot build in a directory with non-ascii characters Glenn Morris
2013-10-23 20:48 ` Glenn Morris
2013-10-24 18:25   ` Eli Zaretskii
2013-10-24 18:35     ` Glenn Morris
2013-10-25 14:25       ` Eli Zaretskii
2013-10-25 17:08         ` Glenn Morris
2013-10-25 18:31           ` Eli Zaretskii
2013-10-25 18:40             ` Glenn Morris
2013-10-25 18:46               ` Eli Zaretskii
2013-10-25 19:27                 ` Eli Zaretskii
2013-10-26  7:50                   ` Eli Zaretskii
2013-10-26 19:15                     ` Glenn Morris
2013-10-26 20:04                       ` Eli Zaretskii
2013-10-27  3:56                         ` Eli Zaretskii
2013-10-27 16:19                           ` Eli Zaretskii
2013-10-27 19:02                             ` Eli Zaretskii
2013-10-27 19:43                               ` Eli Zaretskii
2013-10-27  4:28                     ` Stefan Monnier
2013-10-27 16:11                       ` Eli Zaretskii
2013-10-28  0:30                         ` Stefan Monnier
2013-10-28  3:39                           ` Eli Zaretskii
2013-10-28  4:05                             ` Stefan Monnier
2013-10-28 16:47                               ` Eli Zaretskii
2013-10-28 18:33                                 ` Eli Zaretskii
2013-10-28 22:00                                   ` Glenn Morris
2013-10-29  3:42                                     ` Eli Zaretskii
2013-10-29  1:35                                   ` Stefan Monnier
2013-10-29  3:47                                     ` Eli Zaretskii
2013-10-29 13:56                                       ` Stefan Monnier
2013-10-30 18:19                                         ` Eli Zaretskii
2013-10-31  1:01                                           ` Stefan Monnier
2013-10-31  3:47                                             ` Eli Zaretskii
2013-10-31 13:40                                               ` Stefan Monnier
2013-10-31 16:25                                                 ` Eli Zaretskii
2013-10-31 18:04                                                   ` Stefan Monnier
2013-10-31 17:59                                               ` Eli Zaretskii
2013-10-31 19:24                                                 ` Stefan Monnier
2013-10-31 19:33                                                   ` Eli Zaretskii
2013-11-01  9:27                                                     ` Eli Zaretskii
2013-11-01 12:33                                                       ` Stefan Monnier
2013-11-04 17:37                                                         ` Eli Zaretskii
2013-11-04 17:35                                                 ` Eli Zaretskii
2013-11-04 18:38                                                   ` Stefan Monnier
2013-10-31 17:16                                             ` Eli Zaretskii
2013-10-31 18:09                                               ` Stefan Monnier
2013-10-31 18:37                                                 ` Eli Zaretskii
2013-10-31 19:41                                                   ` Eli Zaretskii [this message]
2013-11-01 13:58                                     ` Kenichi Handa
2013-10-31 21:45                                 ` Glenn Morris
2013-11-01  7:45                                   ` Eli Zaretskii

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