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Date:	Tue, 18 Apr 2023 13:56:34 +0200
To:	Bruno Haible <bruno AT clisp DOT org>
Subject:	Re: wrong errno value set by readlinkat()
Message-ID:	<ZD6Fcjq7J5RkoU8h@calimero.vinschen.de>
Mail-Followup-To:	Bruno Haible <bruno AT clisp DOT org>, cygwin AT cygwin DOT com
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From:	Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	cygwin AT cygwin DOT com
Cc:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>, cygwin AT cygwin DOT com
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On Apr 18 12:21, Bruno Haible via Cygwin wrote:
> Hi,
> 
> When an empty path argument is passed to the readlinkat() function,
> POSIX:2018 specifies that the function fails with error ENOENT:
> 
> https://pubs.opengroup.org/onlinepubs/9699919799/functions/readlinkat.html
> "These functions shall fail if:
> ...
> [ENOENT]
>     A component of path does not name an existing file or path is an empty
>     string."
> 
> In Cygwin 3.4.6, readlinkat() fails with error EBADF instead.

Thanks, I pushed a patch.

A test release cygwin-3.5.0-0.283.gfa84aa4dd2fb containing this patch
is building right now.  You can install it via setup as soon as it's
available (roughly in an hour).


Thanks again,
Corinna


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