From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
---|---|
To: | feblec <carvalho(at)ig(dot)com(dot)br> |
Cc: | <pgsql-interfaces(at)postgresql(dot)org> |
Subject: | Re: C Function |
Date: | 2001-07-17 16:28:37 |
Message-ID: | Pine.LNX.4.30.0107171826320.678-100000@peter.localdomain |
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Lists: | pgsql-interfaces |
feblec writes:
> #include <pgsql/postgres.h>
> #include <string.h>
>
> unsigned char *fernando(unsigned char *texto)
> {
> char *resultp = palloc(strlen(texto)+5);
texto will not be null-terminated. Read the examples in the documentation
again, e.g.,
http://www.de.postgresql.org/users-lounge/docs/7.0/postgres/xfunc19022.htm
> resultp = texto;
> strcat(resultp," mais");
> return resultp;
> }
>
> gcc -shared fernando.c -o fernando.so
>
> CREATE FUNCTION fernando (bpchar) RETURNS bpchar
> AS '/u/src/tef/fernando.so' LANGUAGE 'c';
> CREATE
> SELECT fernando ('Teste');
> ERROR: Memory exhausted in AllocSetAlloc(287341377)
--
Peter Eisentraut peter_e(at)gmx(dot)net http://funkturm.homeip.net/~peter
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