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And where are you going to get the address? The address would be different
every time. If you use %PAddr the address is determined at compile time.

The only way I know to do this is to use system functions to dynamically
bind to a service program and procedure. See
www.think400.dk/downloads.htmand look at my Dynamic Service program
load service program.


On Mon, Jan 21, 2013 at 1:39 PM, Dave <dfx1@xxxxxxxxxxxxxx> wrote:

Hi all,

I was asked in an interview how I would go about coding a call to a
procedure so that no binding to that procedure would occur at compilation.
I said I would need to have the addresses of the callable procedures and I
would have a generic prototype based on a pointer that called the procedure
indicated by its address. Depending upon what the program needed to do I
would initialise that pointer so the right procedure would be called.
This was a test to get an idea of my RPG skills, but I discovered that this
was a technique favoured by the shop. I did not dare ask why would they
want to use this technique, so I'm asking : why would you really want to do
it this way? Why not just use a SELECT statement?
--
This is the RPG programming on the IBM i (AS/400 and iSeries) (RPG400-L)
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