Re: Anyone care to chew on this for a bit?

[x y <xy6581@xxxxxxxxx>]

MAX_VARCHAR2 is a literal.

Aren't VARCHAR fields limited to 32765 (or something), with the first two
bytes defining the field's length?

What about this?  SHouldn't the PI header have the procedure name and
return code only?
dcl-pi *n Varchar(MAX_VARCHAR2) RtnParm;

On Tue, Dec 21, 2021 at 9:23 AM Mark Murphy <jmarkmurphy@xxxxxxxxx> wrote:

> The error is RNX0115. Length of varying length variable is out of range.
>
> IBM i v7r2
>
> Here is a reproduction of the problem:
>
> **free
> ctl-opt DftActGrp(*No) ActGrp(*New)
>         Option(*NoDebugIo: *SrcStmt: *NoUnref)
>         Main(SPLITTST);
>
> dcl-c MAX_VARCHAR2     32767;
>
> dcl-proc splittst;
>   dcl-s matterid      Char(25) Inz('LA-Support');
>   dcl-s clino         Varchar(20) Inz('');
>   dcl-s matno         Varchar(20) Inz('');
>   dcl-s climat        Char(20);
>
>   split('-': matterid: clino: matno);
>   climat = left(clino + '          ': 10) + matno;
>
>   dsply matterid;
>   dsply clino;
>   dsply matno;
>   dsply climat;
>
>   return;
> end-proc;
>
> dcl-proc Split;
>   dcl-pi *n;
>     arg         Varchar(64) const options(*varsize);
>     string      Varchar(MAX_VARCHAR2) const options(*varsize);
>     part1       Varchar(MAX_VARCHAR2) options(*varsize);
>     part2       Varchar(MAX_VARCHAR2) options(*varsize);
>   end-pi;
>
>   dcl-s pos     Int(5);
>
>   pos = %scan(arg: string);
>   if pos = 0;
>     part1 = string;
>     part2 = '';
>   else;
>     part1 = Left(string: pos-1);
>     part2 = Mid(string: pos+%len(arg));
>   endif;
> end-proc;
>
> dcl-proc Left;
>   dcl-pi *n Varchar(MAX_VARCHAR2) RtnParm;
>     string      Varchar(MAX_VARCHAR2) const options(*varsize);
>     len         Int(5) const;
>   end-pi;
>
>   if len <= 0;
>     return '';
>   elseif %len(string) <= len;
>     return string;
>   endif;
>   return %subst(string: 1: len);
> end-proc;
>
> dcl-proc Mid;
>   dcl-pi *n Varchar(MAX_VARCHAR2) RtnParm;
>     string      Varchar(MAX_VARCHAR2) const options(*varsize);
>     start       Int(5) const;
>     len         Int(5) const options(*nopass);
>   end-pi;
>
>   if %len(string) < start;
>     return '';
>   elseif %parms() < %parmnum(len);
>     return %subst(string: start);
>   elseif len = 0;
>     return '';
>   elseif %len(string) < start + len;
>     return %subst(string: start);
>   endif;
>
>   return %subst(string: start: len);
> end-proc;
>
> Everything you need is here. In the real program, the procedures are in a
> service program, and the constant is in a separate header file. But I have
> consolidated it all down into a single program that exhibits the problem.
> The error is:
>
>                          Additional Message Information
>
>
>
>  Message ID . . . . . . :   RNX0115       Severity . . . . . . . :   50
>
>  Message type . . . . . :   Diagnostic
>
>  Date sent  . . . . . . :   12/21/21      Time sent  . . . . . . :
> 12:07:21
>
>
>  Message . . . . :   Length of varying length variable is out of range.
>
>  Cause . . . . . :   The length of a varying length character or DBCS
> variable
>    is less than 0 or greater than its declared maximum length in RPG
> procedure
>    SPLITTST in program JMMLIB/SPLITTST.
>
>  Recovery  . . . :   Contact the person responsible for program maintenance
> to
>    determine the cause of the problem.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>  Bottom
>  Press Enter to continue.
>
>
>
>  F3=Exit   F6=Print   F9=Display message details
>
>  F10=Display messages in job log   F12=Cancel   F21=Select assistance level
>
>
>
>
> The variables contain:
>
>                               Evaluate Expression
>
>
>
>  Previous debug expressions
>
>
>
>  > EVAL matterid:x
>
>       00000     D3C160E2 A4979796 99A34040 40404040   - LA-Support
>
>       00010     40404040 40404040 40...... ........   -          .......
>
>  > EVAL clino:x
>
>       00000     0002D3C1 00000000 00000000 00000000   - ..LA............
>
>       00010     00000000 0000.... ........ ........   - ................
>
>  > EVAL matno:x
>
>       00000     0016E2A4 97979699 A3404040 40404040   - ..Support
>
>       00010     40404040 4040.... ........ ........   -       ..........
>
>
>
>
>
>
>
>
>
>
>
>
>  Bottom
>  Debug . . .
>
>
>
>  F3=Exit   F9=Retrieve   F12=Cancel   F16=Repeat find   F19=Left
> F20=Right
>  F21=Command entry       F23=Display output
>
>
>
>
> I don't see anything wrong with this.
> But it gets better, change the value in matterid to '12345-001' and the
> program runs fine!!
>
> Here is that output:
>
>                            Display Program Messages
>
>
>
>  Job 195579/MMURPHY/QPADEV0002 started on 12/21/21 at 12:06:21 in subsystem
> Q
>  DSPLY  12345-001
>
>  DSPLY  12345
>
>  DSPLY  001
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>  Press Enter to continue.
>
>
>
>
>
>
>
>  F3=Exit   F12=Cancel
> --
> This is the RPG programming on IBM i (RPG400-L) mailing list
> To post a message email: RPG400-L@xxxxxxxxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: https://lists.midrange.com/mailman/listinfo/rpg400-l
> or email: RPG400-L-request@xxxxxxxxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at https://archive.midrange.com/rpg400-l.
>
> Please contact support@xxxxxxxxxxxxxxxxxxxx for any subscription related
> questions.
>
> Help support midrange.com by shopping at amazon.com with our affiliate
> link: https://amazon.midrange.com