RE: Help with QSYCUSRA API - Check User Authority

["Wilt, Charles" <WiltC@xxxxxxxxxx>]

> -----Original Message-----
> From: rpg400-l-bounces+wiltc=cintas.com@xxxxxxxxxxxx 
> [mailto:rpg400-l-bounces+wiltc=cintas.com@xxxxxxxxxxxx] On 
> Behalf Of Barbara Morris
> Sent: Wednesday, August 08, 2007 12:56 PM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: Re: Help with QSYCUSRA API - Check User Authority
>
>
> Charles, you can't pass a parameter by value to a program.

Ay-ya-eye...<slapping forehead)

You caught me Barbara.  Completely slipped my mind that we we're calling an external program. 

Out of curiosity, why the limitation in the RPG compiler?  Just to protect us from ourselves or some
other reason?  The same data would be pushed onto the stack, so it would seem that the compiler could
allow a pointer by value parameter if it wanted to.  Not that I can think of a good reason to do it
that way ;-)

Couldn't you do it with a C program?

> But aside from that, "CHAR(*)" isn't a pointer any more than 
> "BIN(4)" is a pointer.  Sometimes CHAR(*) is used to describe 
> a subfield, and if you code a pointer subfield, it's completely wrong.

Good point, but I think I'd argue char(*) means one thing in a parameter list and another in data
structure.  Perhaps even char(*) could have a couple of meanings even in a parameter list.

But maybe I'm over thinking it, thinking too much about what's going on behind the scenes instead of
up front.  Just seems wrong to me to say char(*) isn't a pointer....

Charles




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