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Postings from March 2001
On Fri, Mar 09, 2001 at 03:30:20AM -0500, Robert Spier wrote:
>
> What you're saying makes sense.
>
> So, I'll start following it down the other path:
>
> A little bit of GDB walking and here's what I see:
>
> FETCH is being called inside the
> hv.c:934 return SvTRUE(sv);
>
> SvTRUE is a scary macro which calls sv_2bool
> sv_2bool on a magical variable calls mg_get()
>
> and mg_get calls the get entry in the vtable for the magic, which for
> a hash is Perl_magic_getpack, which does the FETCH method
> invocation. *kaboom*
>
> I think the problem is that the sv passed to
> magic_existspack(sv, mg_find(sv, 'p'));
> is Magical, because it'a copy of the magical HV.
>
> I think the patch below may (actually) solve this problem (instead of
> documenting it firmly in place). It creates a new SV to hold the
> return value from magic_existspack, instead of using the magical
> pointer.
>
> All tests in the test suite pass for me, (except for op/qu.t, which is
Thanks, applied.
rm t/op/qu.t
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