Re: PL/Perl Does not Like vstrings

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: "David E(dot) Wheeler" <david(at)justatheory(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PL/Perl Does not Like vstrings
Date: 2012-01-05 01:32:20
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Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> Tom said:
>> 2. A slightly cleaner fix for this should be to duplicate the SV and
>> then release the copy around the SvPVutf8 call, only if it's readonly.
>> "Fixing" it in do_util_elog is entirely the wrong thing.

> How do we tell if it's readonly?

SvREADONLY(sv) macro.

regards, tom lane

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