DMARC-Filter:	OpenDMARC Filter v1.4.2 delorie.com 5788EFiW3672935
Authentication-Results:	delorie.com; dmarc=pass (p=none dis=none) header.from=cygwin.com
Authentication-Results:	delorie.com; spf=pass smtp.mailfrom=cygwin.com
DKIM-Filter:	OpenDKIM Filter v2.11.0 delorie.com 5788EFiW3672935
Authentication-Results:	delorie.com;
	dkim=pass (1024-bit key, unprotected) header.d=cygwin.com header.i=@cygwin.com header.a=rsa-sha256 header.s=default header.b=rPHcDyib
X-Recipient:	archive-cygwin AT delorie DOT com
DKIM-Filter:	OpenDKIM Filter v2.11.0 sourceware.org 75D133857007
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1754640853;
	bh=Tj9luc7k0ScpnGqr672bVZvJ+xeZyK3ZH34rCNj2XXk=;
	h=Date:To:Cc:Subject:References:In-Reply-To:List-Id:
	List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe:
	From:Reply-To:From;
	b=rPHcDyibWRPJB76VRaNK0orGcqK6do7rlldwTlamxzUoGuXmdxiWbbC1LLLV39yRY
	8PTGEIo6FijoH7ngVuv/yo1c+ArOFRPjHUSAGhn/lz+LQd+1nAp90/SkX0uDUyUnGM
	m5x9ClJV/7WtnNnaU+VNTV2J2iL8oLqjPhmRYIo0=
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.4.2 sourceware.org 93EF7385C019
ARC-Filter:	OpenARC Filter v1.0.0 sourceware.org 93EF7385C019
ARC-Seal:	i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1754638879; cv=none;
	b=jmF3Nw2LEByMiKiZcBjmt0+WNB64oFcftQ5PHPrBWuaHt148ufxhOtBdm16vVq0DJCAsRR0vxJNNj2G9fncZsqCR9FEThYZcHutaGo8Gfm4LRpCt3aJGzU0f9tz1xSsQZtc1Tc+6rjk6gukOmDDWrvZE0qzlNOkPdTu4sRdrvog=
ARC-Message-Signature:	i=1; a=rsa-sha256; d=sourceware.org; s=key;
	t=1754638879; c=relaxed/simple;
	bh=staVY4s6CQyR5Ewv0oN1QqFI0UCbnhoqaG++NZbtHiU=;
	h=DKIM-Signature:Date:From:To:Subject:Message-ID:MIME-Version;
	b=GRZbbe8Yi42AqCcPs6oKBR1YubtrgnCMV1Uy0o68pCsytRb+3CfoQBD+M3S8QCYh7hf3hylhhCut3vTIRYcal5gkng/XGXcDkZNmkyvgKetCbHpSsgU61H9mLdMwVuPP4B6ui0VHIMPQkKzmB9Srp2s8r8QsANmm7dFpFJxx/Ng=
ARC-Authentication-Results:	i=1; server2.sourceware.org
DKIM-Filter:	OpenDKIM Filter v2.11.0 sourceware.org 93EF7385C019
Date:	Fri, 8 Aug 2025 03:41:16 -0400
To:	Thomas Wolff <towo AT towo DOT net>
Cc:	cygwin AT cygwin DOT com
Subject:	Re: getting the on-disk case for a path
Message-ID:	<aJWqHBiPq4XQBr6f@xps13>
References:	<36a0093c-fc8b-f268-9cbf-71c1c1268ef7 AT jdrake DOT com>
	<11a5bd41-e977-4f25-9bf8-4917f1c65934 AT towo DOT net>
MIME-Version:	1.0
In-Reply-To:	<11a5bd41-e977-4f25-9bf8-4917f1c65934@towo.net>
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.30
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:	Glenn Strauss via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Glenn Strauss <gs-cygwin DOT com AT gluelogic DOT com>
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>

On Fri, Aug 08, 2025 at 08:53:53AM +0200, Thomas Wolff via Cygwin wrote:
> 
> Am 08.08.2025 um 02:31 schrieb Jeremy Drake via Cygwin:
> > On a case-insensitive but case-preserving filesystem, is there a Cygwin
> > API to get the on-disk case for a given path?  It seems like `realpath`
> > ought to do it but running
> > $ touch case-test
> > $ realpath CASE-TEST
> > returns CASE-TEST.
> On the command line, you could use
> ls | grep -i
> 
> > Regardless, canonicalize_file_name or realpath may not
> > be what I want because it would dereference symlinks.
> > 
> > Background: I'm trying to debug some test failures in Clang, due to a
> > warning that's supposed to be issued when you #include "foo.h" but the
> > file on disk that it opened is "Foo.h".

Last September, Eliot Moss suggested
  `find` with -iname (or -ipath or -iregex)
https://cygwin.com/pipermail/cygwin/2024-September/256409.html

-- 
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

- Raw text -