From: Philip Guenther <guenther@gmail.com>
Subject: Re: [PATCH] link.2: POSIX.1 does not, in fact, mandate file1 to not be a directory
To: "Todd C. Miller" <millert@openbsd.org>
Cc: наб <nabijaczleweli@nabijaczleweli.xyz>, tech@openbsd.org
Date: Wed, 17 Jul 2024 21:32:34 -0700

On Wed, Jul 17, 2024 at 7:30 PM Todd C. Miller <millert@openbsd.org> wrote:
>
> This was changed in rev 1.2 of link.2 in 1996.  I don't think we
> want to make it sound like this behavior is OpenBSD-specific since
> most systems disallow hard links to directories.
>
> Perhaps something like this.

That's clearer, yeah.
ok guenther@


> --- lib/libc/sys/link.2 25 Mar 2024 17:57:07 -0000      1.30
> +++ lib/libc/sys/link.2 18 Jul 2024 02:25:00 -0000
> @@ -65,15 +65,13 @@ is removed, the file
>  .Fa name2
>  is not deleted and the link count of the underlying object is decremented.
>  .Pp
> +For the hard link to succeed,
>  .Fa name1
> -must exist for the hard link to succeed and both
> +must exist and not be a directory, and both
>  .Fa name1
>  and
>  .Fa name2
>  must be in the same file system.
> -As mandated by POSIX.1
> -.Fa name1
> -may not be a directory.
>  .Pp
>  The
>  .Fn linkat
>