This is the mail archive of the
java@gcc.gnu.org
mailing list for the Java project.
Re: Where to find a CNI-Tutorial?
- From: Mohan Embar <gnustuff at thisiscool dot com>
- To: Andrew Haley <aph at redhat dot com>
- Cc: Clemens Eisserer <linuxhippy at web dot de>, Cedric Berger <cedric at berger dot to>, java at gcc dot gnu dot org
- Date: Tue, 26 Aug 2003 08:53:32 -0500
- Subject: Re: Where to find a CNI-Tutorial?
- Reply-to: gnustuff at thisiscool dot com
> > >> 2.) Is there a platform-independent way to store pointer-values in
> > >> java variables using CNI. With JNI this isnt possible as far as I
> > >> know, because storing pointer-values into "int" only works of cource
> > >> on 32-bit machines....
> > >
> > >Then why not storing them into "long"?
> >
> > This doesn't work. Under Win64, for example, a void* is 64 bits
> > but a long is still 32 bits.
>
>No; he's talking about a jlong.
Oops. Should have thought for two more seconds before hitting [Send]....
I've been coding in C++ for the last couple of days.
So I guess the right answer would be "Because a RawData is guaranteed
to properly represent a pointer without making architecture-specific
assumptions about its width."
-- Mohan
http://www.thisiscool.com/
http://www.animalsong.org/