From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-38129-listarch-gdb=sources.redhat.com@sourceware.org>
Received: (qmail 13606 invoked by alias); 9 Oct 2010 21:05:18 -0000
Received: (qmail 13597 invoked by uid 22791); 9 Oct 2010 21:05:18 -0000
X-SWARE-Spam-Status: No, hits=-0.0 required=5.0	tests=AWL,BAYES_05,RCVD_IN_DNSWL_NONE,SPF_SOFTFAIL
X-Spam-Check-By: sourceware.org
Received: from mtaout22.012.net.il (HELO mtaout22.012.net.il) (80.179.55.172)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 09 Oct 2010 21:05:10 +0000
Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LA100A00IPV9B00@a-mtaout22.012.net.il> for gdb@sources.redhat.com; Sat, 09 Oct 2010 23:04:59 +0200 (IST)
Received: from HOME-C4E4A596F7 ([77.126.134.44]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LA10096DJW8XZ70@a-mtaout22.012.net.il>; Sat, 09 Oct 2010 23:04:57 +0200 (IST)
Date: Sat, 09 Oct 2010 21:05:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: Sevenbit-strings only partially respected?
In-reply-to: <i8qgtp$89t$1@dough.gmane.org>
To: Vladimir Prus <vladimir@codesourcery.com>
Cc: gdb@sources.redhat.com
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <83k4lrm611.fsf@gnu.org>
MIME-version: 1.0
Content-type: text/plain; charset=utf-8
Content-transfer-encoding: 8BIT
References: <201010092326.36112.ghost@cs.msu.su> <i8qgtp$89t$1@dough.gmane.org>
X-IsSubscribed: yes
Mailing-List: contact gdb-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb.sourceware.org>
List-Subscribe: <mailto:gdb-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb/>
List-Post: <mailto:gdb@sourceware.org>
List-Help: <mailto:gdb-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-owner@sourceware.org
X-SW-Source: 2010-10/txt/msg00026.txt.bz2

> From: Vladimir Prus <vladimir@codesourcery.com>
> Date: Sat, 09 Oct 2010 23:48:12 +0400
> 
> >   if (c < 0x20 ||		/* Low control chars */
> >       (c >= 0x7F && c < 0xA0) ||	/* DEL, High controls */
> >       (sevenbit_strings && c >= 0x80))
> >     {/* high order bit set */
> > 
> > Apparently, the second condition fires and causes 0xD0 to be quoted. Is
> > this expected behaviour?
> 
> Doh. Of course 0xD0 is larger than 0xA0. The value that causes the actual
> problem is 0x83. Russian letter 'у' is encoded in UTF8 as 0xD1 0x83, and
> because of the above code, strings with that letter (and some other letters)
> get messed up completely.

That `(c >= 0x7F && c < 0xA0)' condition assumes ISO-8859-n encodings
(probably was coded for 8859-1), and should not be used with anything
else.