What I was asking was about firebird engine itself.
That was the requirement.
Because it is firebird who will be reading the UDF.

So will this work?

SELECT rdb$get_context('SYSTEM', 'ENGINE_64BITS') from rdb$database;
1/0 in 2.5
True/False 3.x

Kind Regards,

Robert.

--- In firebird-support@yahoogroups.com, "mariuz" <mapopa@...> wrote:
>
>
>
> --- In firebird-support@yahoogroups.com, "robert.gilland" <robert.gilland@> wrote:
> >
> > I have a requirement to Identify whether a Firebird system is 64 bit or not, in order to know whether to deploy a 64 bit UDF or a 32 bit UDF. Is there any thing to give the correct information here.
> > I am hoping to be able to use the "IBO Admin" Component suite for Delphi to Identify this information.
> >
> > Kind Regards,
> >
> > Robert.
> >
> I would detect if is a 64 bit os first
> http://forum.codecall.net/pascal-delphi-tutorials/33960-how-detect-windows-64bit-delphi-code.html
> Then if so detect where firebird is installed
> (if is in 32 bit reserved path or in 64 bit area)
> http://www.firebirdsql.org/manual/qsg2-disk-locations.html#qsg2-disk-locations-win
> One more check would be to check if firebird is really a 64bit process
>
> TODO:Maybe the api should show it somewhere like in the the version case
> SELECT rdb$get_context('SYSTEM', 'ENGINE_64BITS') from rdb$database;
> 1/0 in 2.5
> True/False 3.x
>