Re: C Function

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