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Date: Mon, 6 Apr 2009 10:07:21 -0300
Message-ID: <f205bb120904060607u3a4d9feci55bad4a490b3cecf@mail.gmail.com>
Subject: Re: [COMMITTERS]
From: Emanuel Calvo Franco <postgres.arg@gmail.com>
To: eehab hamzeh <eehab40@hotmail.com>
Cc: General PostgreSQL List <pgsql-general@postgresql.org>
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2009/4/6 eehab hamzeh <eehab40@hotmail.com>:
> =A0=A0=A0 Hello
>
> I am trying to build some functions using C language. these functions are
> mentioned in the postgresql documentation.
>
> http://www.postgresql.org/docs/8.3/interactive/xfunc-c.html
>
> Datum
> add_one_float8(PG_FUNCTION_ARGS)
> {
>     /* The macros for FLOAT8 hide its pass-by-reference nature. */
>     float8   arg =3D PG_GETARG_FLOAT8(0);
>
>     PG_RETURN_FLOAT8(arg + 1.0);
> }
>
> PG_FUNCTION_INFO_V1(makepoint);
>
> Datum
> makepoint(PG_FUNCTION_ARGS)
> {
>     /* Here, the pass-by-reference nature of Point is not hidden. */
>     Point     *pointx =3D PG_GETARG_POINT_P(0);
>     Point     *pointy =3D PG_GETARG_POINT_P(1);
>     Point     *new_point =3D (Point *) palloc(sizeof(Point));
>
>     new_point->x =3D pointx->x;
>     new_point->y =3D pointy->y;
>
>     PG_RETURN_POINT_P(new_
>  point);
> }
>
> the only function that are work are the one with int32 variable.
> the other function bring errors and are not working
> any body can give directions
>
>
> kind regards
> ihab

Re-send to pgsql-general.

Can you paste these errors and how you're compiling this?

--=20
      Emanuel Calvo Franco
        Sumate al ARPUG !
      (www.postgres-arg.org -
         www.arpug.com.ar)
    ArPUG / AOSUG Member
   Postgresql Support & Admin