[Bug 287440] sh(1): cd "" shall result in error

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 16 Jun 2025 16:16:09 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287440

Garrett Wollman <wollman@FreeBSD.org> changed:

           What    |Removed                     |Added
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           Severity|Affects Only Me             |Affects Some People
                 CC|                            |wollman@FreeBSD.org

--- Comment #2 from Garrett Wollman <wollman@FreeBSD.org> ---
Historic BSD (and, I think, Seventh Edition Research UNIX) behavior was to
treat "" as equivalent to "." POSIX forbade this, and FreeBSD changed namei()
to comply quite some time ago now. It seems very astonishing that chdir("")
would correctly result in [ENOENT] but system("cd ''") would not raise an
error.

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