X-Recipient: archive-cygwin AT delorie DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 903A93858C60
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1681852166;
	bh=wzsO0Y/ep1RIAHAsp1ALdtpRr5CrexAcEyZOZBfh8OY=;
	h=Date:To:Subject:In-Reply-To:References:List-Id:List-Unsubscribe:
	 List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:
	 From;
	b=FgVDHUuqOgMiGrUUPiE7E05mh8lZXs6/7q6RPgL6Efwhoszdb7XGpvUdrjd178Rr0
	 hvH/51jKpHicP5xOm/fEQKj7YAOP/emyvkJH0ht/NNyyml/km4WTDntmLzRSuX9bmP
	 AGq+S5UwT7fbqOTQrVIwbSJ0lsXAgb4/uRp9mnqg=
X-Original-To: cygwin AT cygwin DOT com
Delivered-To: cygwin AT cygwin DOT com
DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B79313858D1E
MIME-Version: 1.0
Date: Tue, 18 Apr 2023 23:09:07 +0200
To: cygwin AT cygwin DOT com
Subject: Re: Can not stat file with utf char U+F020
In-Reply-To: <fc6d3aa5f3ae525a777e65d62ccbd6c2@assyoma.it>
References: <992b3c28d7f1cfc17f7c9bb47b53f770 AT assyoma DOT it>
 <ZDmiyYS+m0x4QZmh AT calimero DOT vinschen DOT de>
 <f4d0bd30-731a-fb5e-43d2-a86d1af761b6 AT Shaw DOT ca>
 <dfbdeec869acd6ed1ad7b4ec803336f2 AT assyoma DOT it>
 <ZDm20Rug7TswU4KI AT calimero DOT vinschen DOT de>
 <1274a3199d9bedab4f15d209694c6e1f AT assyoma DOT it>
 <de19dc1ecd891f748e5e4a317f347477 AT assyoma DOT it>
 <ZD0L5VoqmTHmHBT9 AT calimero DOT vinschen DOT de>
 <fc6d3aa5f3ae525a777e65d62ccbd6c2 AT assyoma DOT it>
Message-ID: <1a7db5a68644e5b66634d5af9b402caf@assyoma.it>
X-Sender: g DOT danti AT assyoma DOT it
X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS,
 KAM_NUMSUBJECT, SPF_HELO_NONE, SPF_PASS,
 T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
 server2.sourceware.org
X-BeenThere: cygwin AT cygwin DOT com
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe: <https://cygwin.com/mailman/options/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe: <https://cygwin.com/mailman/listinfo/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From: Gionatan Danti via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Gionatan Danti <g DOT danti AT assyoma DOT it>
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset="us-ascii"; Format="flowed"
Errors-To: cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com
Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

Il 2023-04-17 15:46 Gionatan Danti via Cygwin ha scritto:
> First, I use the "dos" mount option to always trigger conversion of
> space and dot at filename end into F+00xx chars. Now I am able to
> create such strange-looking file (in Explorer) within cygwin itself.
> For example, touch "zzs " now results in "zzs+strangechar" in
> Explorer. Both cygwin and windows are able to read/write such file.
> 
> But if I edit the filename via Explorer adding an extension (ie: from
> "zzs+strangechar" to "zzs+strangechar.txt") now cygwin is suddenly
> unable to read/write the file.
> 
> It seems to me that the appended chars prevent cygwin to translate
> back F0xx to 00xx (as the PUA char is not at the end of the filename
> anymore).
> 
> So, two paths should be available:
> - always translate back F0xx to 00xx even if not at the end of 
> filename;
> - otherwise, if too invasive to do it unconditionally, add an option
> as "always_translate_pua" (default: off) to enable such behavior based
> on user needs.
> 
> I would (naively?) think that option 1 (always translate back PUA)
> should be the preferred approach, as cygwin is at the moment
> effectively unable to access some files.

Hi all,
any thoughts on the matter? Am I missing something?

Thanks.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g DOT danti AT assyoma DOT it - info AT assyoma DOT it
GPG public key ID: FF5F32A8

-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple