GNU bug report logs - #15591
gpt mishandles non ascii partition names

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Phillip Susi <psusi <at> ubuntu.com>
Subject: bug#15591: closed (Re: [PATCH] libparted: handle i18n gpt
 partition names correctly)
Date: Mon, 23 Dec 2013 03:46:02 +0000

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Your bug report

#15591: gpt mishandles non ascii partition names

which was filed against the parted package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 15591 <at> debbugs.gnu.org.

-- 
15591: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15591
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Jim Meyering <jim <at> meyering.net>
To: Phillip Susi <psusi <at> ubuntu.com>
Cc: 15591-done <at> debbugs.gnu.org
Subject: Re: [PATCH] libparted: handle i18n gpt partition names correctly
Date: Sun, 22 Dec 2013 19:45:06 -0800

Perfect.  Thanks!  Marking this "done" in the bug-tracker.

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From: Phillip Susi <psusi <at> ubuntu.com>
To: "bug-parted <at> gnu.org" <bug-parted <at> gnu.org>
Subject: gpt mishandles non ascii partition names
Date: Fri, 11 Oct 2013 14:58:57 -0400

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Original bug report:
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1238446

The gpt partition table has 16 bit characters for the name, which I
assume are supposed to be UTF-16, but the bloody uefi standard is moot
on the subject.  Currently parted simply decimates the characters,
throwing out the upper 8 bits.  This corrupts characters that aren't
simple ascii, and at some later point, strlist.c calls mbstrtowcs(),
which chokes on the corrupt name causing parted to bail out with
"Error during translation".

I think that gpt.c needs to translate the UTF-16 to the native
multibyte encoding, but I have no idea how to do that.  The C standard
conversion functions all seem to use the current locale and don't have
a way to override it if you know this string is in UTF-16 ( and maybe
the current locale is UTF-8 ).

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