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From: Eli Zaretskii <eliz@gnu.org>
To: Eric Abrahamsen <eric@ericabrahamsen.net>
Cc: emacs-devel@gnu.org
Subject: Re: expand-file-name, DOS/Windows, and directory separator
Date: Tue, 15 Feb 2022 21:15:13 +0200	[thread overview]
Message-ID: <83r1842b7i.fsf@gnu.org> (raw)
In-Reply-To: <87czjodn8m.fsf@ericabrahamsen.net> (message from Eric Abrahamsen on Tue, 15 Feb 2022 09:59:53 -0800)

> From: Eric Abrahamsen <eric@ericabrahamsen.net>
> Date: Tue, 15 Feb 2022 09:59:53 -0800
> 
> My reading of `expand-file-name' (I don't really speak C) is that, if we
> run it over a file path produced by an external process on a Windows
> machine -- meaning path strings where the directory separator might be a
> backward slash -- it will normalize that separator to a unix-style
> forward slash. It looks like fileio.c:1247 calls dostounix_filename, and
> I'm assuming that's what that does.
> 
> Is that a correct assumption?

Yes.

> Can I rely on that behavior?

I'd rather you didn't.  Why do you need such an assumption?  Emacs on
Windows can cope with file names that use any style of slashes.



      parent reply	other threads:[~2022-02-15 19:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-15 17:59 expand-file-name, DOS/Windows, and directory separator Eric Abrahamsen
2022-02-15 18:38 ` Stefan Monnier
2022-02-15 19:39   ` Eric Abrahamsen
2022-02-15 19:57     ` Eli Zaretskii
2022-02-15 20:15       ` Eric Abrahamsen
2022-02-15 20:24         ` Eli Zaretskii
2022-02-15 20:46           ` Eric Abrahamsen
2022-02-15 21:51             ` Stefan Monnier
2022-02-15 23:03               ` Eric Abrahamsen
2022-02-15 19:15 ` Eli Zaretskii [this message]

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