Re: writing to userspace

[Robert Cozzi <cozzi@xxxxxxxxx>]

Yes it's a good way to do it.
The other way is with the chg usr data API, in your situation, a pointer is
the best performance.
-Bob Cozzi

On 6/22/06 3:46 AM, "Knezevic.Mihael" <Mihael.Knezevic@xxxxxxxxxxx> wrote:

> hello,
>
> i got a simple question about writing to a userspace because it is not
> 100% clear to me.
>
> i got a userspace (which is set to autoextend) and in my rpg program i
> am retrieving a pointer to that userspace. through pointer arithmetic i
> am filling the userspace with some values.
>
> D usPtr           S               *
> D usData          DS                  based(usPtr) qualified
> D   header                            likeds(wws_main_us)
>
> D usDataPtr       S               *
> D vkst            S              5  0 based(usDataPtr)
>
> dow (not %eof);
>   usDataPtr = usPtr + %len(usData.header) +
>               (i * %size(vkst));
>   vkst = someValue;
>   i += 1;
>   read file;
> enddo;
>
> is this the right way to fill a userspace (it seems to be the easiest) ?
> and is the userspace auto extending when i'm not using the os400 api to
> write to it?
>
> thanx for any answers
>
> mihael knezevic