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  1.  Home
  2. RPG400-L
  3. June 2020

Re: Getting a MCH3601 Pointer not set

As it should.

The storage for any variable referenced as a parm is in the _calling_ program (or further back up the call chain) not oil the called program - so if the parm is not passed any attempt to use it is doomed. As I noted before though I would have expected it to blow up when resolving the parm.



On Jun 9, 2020, at 6:36 PM, Thomas Burrows <thomas.burrows.1957@xxxxxxxxx> wrote:

I looked at the change dates at the end of the source. When I put a
parm5 CHAR(1) value (' ') the program works


On Tue, Jun 9, 2020 at 5:34 PM Jon Paris <jon.paris@xxxxxxxxxxxxxx> wrote:

Yes - and it sure as heck hasn't been "working" with only four parms.

Somebody is telling you little porkie pies.



On Jun 9, 2020, at 6:28 PM, Thomas Burrows <
thomas.burrows.1957@xxxxxxxxx> wrote:

This code has been around over 20 years and is suppose to the work.
The CL program is only passing four parms to the rpg program that has a
plist of FIVE PARMS.

Could this be the problem? Did not write any of this.

On Tue, Jun 9, 2020 at 5:24 PM Thomas Burrows <
thomas.burrows.1957@xxxxxxxxx>
wrote:

Actually five and WRUNC is the last parm

On Tue, Jun 9, 2020 at 5:23 PM Bruce Vining <bruce.vining@xxxxxxxxx>
wrote:

Are you passing three parameters when calling the program?

On Tue, Jun 9, 2020 at 6:18 PM Thomas Burrows <
thomas.burrows.1957@xxxxxxxxx>
wrote:

I have the following:

D-specs
D wrunc s 1

Getting this in the definitions per compiled listing

WRUNC A(1) 009800D 011400 0390
BASED(_QRNL_PRM+)

*entry plist
parm ONE
parm TWO
parm wrunc

Now in the C-specs
if wrunc = cspace

When I hit this line inside debug or not in debug mode I get a

Pointer not set for location referenced.
Function check. MCH3601 unmonitored by PROGRAM_NAME at statement
123456.

In my AS400 COBOL days a MCH3601 came from not having the file that
had
variable in the record OPENED.

Not having a good day. Lots of internet ups and downs.

Other issues.
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