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Date:	Mon, 17 Apr 2023 11:05:41 +0200
To:	Gionatan Danti <g DOT danti AT assyoma DOT it>, cygwin AT cygwin DOT com
Subject:	Re: Can not stat file with utf char U+F020
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From:	Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
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Cc:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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On Apr 17 07:36, Gionatan Danti via Cygwin wrote:
> Il 2023-04-14 23:01 Gionatan Danti via Cygwin ha scritto:
> > Il 2023-04-14 22:25 Corinna Vinschen via Cygwin ha scritto:
> > > We do that.  You're just stumbling over tha fact that U+F020 is also
> > > used as outlined in
> > > https://cygwin.com/cygwin-ug-net/using-specialnames.html#pathnames-specialchars
> > > and https://cygwin.com/pipermail/cygwin/2023-April/253478.html
> > 
> > Ah, so spaces and dots are replaced respectively by U+F020 and U+F02E
> > even without the "dos" mount option?
> > Because I can not see it in my case of an NTFS filesystem with the
> > following mount options: binary,posix=0,user,noumount,auto
> 
> Hi all,
> it's not clear to me why even without the "dos" mount option both space and
> dot are replaced by U+F020 and U+F02E, preventing U+F020 passthrough.
> 
> Am I missing something?

It's actually not the "dos" mount option but specific filesystems
which trigger the conversion from U+0020 to U+F020.

However, the conversion back is handled in a piece of code which has
no information about the underlying filesystem, so the F0xx -> 00xx
conversion is done all the time.  Adding filesystem info in this
place is really tricky.


Corinna

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