[MI400] List APIs and addresses

[thomas@xxxxxxxxxxx]

Though this might not be precisely on topic, I can't think of any other group 
likely to have decent answers. Here's the scenario:

Suppose a list API named QabcListAPI returns the list into a program variable. 
(This differs from various list APIs that return lists into user spaces.)

Q1. Should I be able to create a *USRSPC of some large size, initialize the 
space to a value such as X'00' at creation, retrieve a pointer to it and then 
pass the pointer to QabcListAPI as if it were the address of a program 
variable? After the API call, I could then access the list data via a based 
variable in multiple other programs.

Q2: If that should work at all, would security level 50 cause issues?

This issue is more important in ILE RPG than MI, but seems relevant no matter 
what the language. And I know I could use memory allocation APIs to get 
appropriate memory (heaps), but this scenario would result in a permanent 
*USRSPC object being populated rather than needing to write code to do it.

Any insight at all is appreciated. Thanks much.

Tom Liotta

--
Tom Liotta
The PowerTech Group, Inc.
19426 68th Avenue South
Kent, WA 98032
Phone  253-872-7788
Fax  253-872-7904
http://www.400Security.com


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