Re: suspicious pointer/integer coersion - Mailing list pgsql-hackers

From Tom Lane
Subject Re: suspicious pointer/integer coersion
Date
Msg-id 6170.1121026262@sss.pgh.pa.us
Whole thread Raw
In response to suspicious pointer/integer coersion  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: suspicious pointer/integer coersion
List pgsql-hackers
Andrew Dunstan <andrew@dunslane.net> writes:
> I have just noticed this code in plperl.c:

>         hv_store(plperl_proc_hash, internal_proname, proname_len,
>                  newSViv((IV) prodesc), 0);

> basically, here prodesc is a pointer to a struct, and we are storing it 
> as an integer in a perl hash for easy lookup by stringified oid.

> How safe is this conversion on 64 bit platforms?

Not at all.  I'd vote for converting the whole thing to a dynahash
hashtable ...
        regards, tom lane


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