Re: Calling an ILE C Routine from ILE RPG (V7R2)

[Scott Klement <rpg400-l@xxxxxxxxxxxxxxxx>]

Patrik,

This result is consistent with the original problem of calling the 
routine but not providing the 4th parameter.

When you leave the parameter off of the parameter list, the system uses 
whatever "by chance" happens to be in memory at that spot in the 
parameter list.  So if it happens to be a valid null pointer, the 
program would work as expected.  If it does not, it'd crash with MCH3601.

You say that your version does not have this parameter, which seems 
unlikely to me as the 'pw_rand.c' source on GitHub was last changed on 
Aug 6, 2017.  That's almost 3 years old.

-SK

On 5/22/2020 3:21 PM, Patrik Schindler wrote:
> Thanks again for your valuable suggestions! I'll get back to you tomorrow or next week. I'm confused myself because after recompiling/linking the unchanged RPG module with compiler optimization turned on, the problem is back again. Turning off optimization again: Problem persists. Checking: Yes, I'm calling the right *PGM object. Sign off/back on: Problem persists (could have been some strange activation group thing, eventhough I link with ACTGROUP(*NEW).