On Sun, Oct 22, 2023 at 11:59 AM Bart Schaefer
<schaefer@brasslantern.com> wrote:
>
> So this reaches the "return NULL" at the end of zgetdir(), after the
> comment "Something bad happened." ?
>
> Or conversely this is a consequence of zgetdir() not checking the
> return value from zchdir(), which it doesn't in a couple of places?

Lacking a response to this and unable to test this directly, I offer
the following patch, which attempts to cover all those cases.

I forced HAVE_GETCWD to be false and ran make check with no issues.