Your patch has been added to the PostgreSQL unapplied patches list at:
http://candle.pha.pa.us/cgi-bin/pgpatches
I will try to apply it within the next 48 hours.
> Hello,
>
> well at first I could not believe what I was seeing ...
>
> Look at the following code (ecpg/lib/execute.c):
>
> const char *locale=setlocale(LC_NUMERIC, NULL);
> setlocale(LC_NUMERIC, "C");
> [....]
> setlocale(LC_NUMERIC, locale);
>
>
> Well at least on glibc-2.2 it seems that setlocale retuns a pointer to
> malloced memory, and frees this pointer on subsequent calls to
> setlocale. This is standard conformant and has good reasons. But used as
> above it is lethal (but not lethal enough to be easily recognized). So
> the content locale points to is freed by the second call to setlocale.
>
> The remedy is easy (given that _no other_ call to setlocale happens
> inbetween ...)
>
> const char *locale=setlocale(LC_NUMERIC, "C");
> [...]
> setlocale(LC_NUMERIC, locale);
>
>
> So I would kindly ask you to take a second look at every invokation of
> setlocale. And to apply the following patch.
>
> Yours
> Christof
>
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--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
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