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Date: Fri, 8 Aug 2025 08:53:53 +0200
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Subject: Re: getting the on-disk case for a path
To: cygwin AT cygwin DOT com
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From: Thomas Wolff via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Thomas Wolff <towo AT towo DOT net>
Errors-To: cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com
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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".
>


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