[Armedbear-devel] wild-pathname-p inconsistent?

Wed Sep 24 06:13:34 UTC 2014

On 24 September 2014 08:59, Mark Evenson <evenson at panix.com> wrote:
>
> On 24 Sep 2014, at 06:05, Pascal J. Bourguignon <pjb at informatimago.com> wrote:
>
>>
>> Why do we have?
>>
>>    (wild-pathname-p  #P"*-blah") -> T
>>    (wild-pathname-p  #P"*-blah" :name) -> NIL
>>
>> This is inconsistent (and non-conforming).
>
> [â€¦]
>
> Indeed problematic; filed as [ticket #371][1].
>
> The [implementation of CL:WILD-PATHNAME-P turns out to be in Java][2] so fixing
> this bug should be the fairly easy task of cleaning up the logic in
> pf_wild_pathname_p().
>
> Thanks for the detailed report.
>
> [1]: http://abcl.org/trac/ticket/371
> [2]: http://abcl.org/trac/browser/trunk/abcl/src/org/armedbear/lisp/Pathname.java#L1889

Looking at the java code, it seems a bit naive/lazy. The memq for the
directory does catch
directories like foo/bar/*/baz (which _are_ wild), but it also
seemingly catches other
cases like foo/bar/baz*baz/otherstuff. I'm not convinced this is
non-conforming, though,
since implementations are allowed to support implementation-dependent
strings that
contain wildcard characters, which is what we do.

Having said that, in such cases I usually prefer doing what sbcl does,
as far as possible. :)

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