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Bob

Are we talking about the same thing? I was referring to the possibility that
the system is reading the length bytes as a signed integer vs an unsigned one -
that is, as you know, managed with the leftmost bit - not byte.

That compiled for me at V5R1 but I get an RNQ0100 "Length or start position is
out of range for the string operation" at runtime.

Vern
-------------- Original message --------------
From: "Bob Cozzi" <bob@xxxxxxxxxxxx>

They dropped that sign digit years ago. SEU on V5.2 and earlier still thinks
its
32k but you can just ignore that error. I know it worked on V4R5 as this just
compiled:

D myVar32 S 32766A Varying
D myVar64 S 65535A Varying
D I S 10I 0

C EVAL *INLR = *ON
/free
for i = 1 to %size(myVar32) - 2;
%subst(myVar32:i:1) = ' ';
endfor;
for i = 1 to %size(myVar64) - 2;
%subst(myVar32:i:1) = ' ';
endfor;


-Bob Cozzi
www.i5PodCast.com
Ask your manager to watch i5 TV



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On
Behalf Of Vernon Hamberg
Sent: Saturday, May 12, 2007 8:18 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Max length of a VARYING field

Joe

The current 32K limit might be cuz they are treating the number as signed.

Vern

At 10:25 AM 5/12/2007, you wrote:

From: Barbara Morris

Thanks for your thoughts on this, Scott. We have thought about
VARYING4, but we would want to allow the explicit VARYING2 as well, and
we think that it's more clear that VARYING and VARYING(2) are equivalent
than that VARYING and VARYING2 are equivalent. The concept of a default
parameter is common in RPG, but VARYING2 looks like it means something
different from VARYING.

Ultimately, people have to know what the syntax means anyway, but I
agree that it's ideal if someone reading the code can guess right about
what it means.

Okay, how about something straightforward:

VARYING(*MAX32KB)
VARYING(*MAX2GB)
VARYING(*MAX128TB)

The numbers are based on 2, 4 and 6 byte prefixes, but with one bit unused
(not sure why one bit is unused, except that 32KB is the current maximum, so
I kept the pattern going).

Let VARYING default to VARYING(*MAX32KB) and all is well.

I stopped at 48-bit addressing (technically 47-bit) because it's just hard
for me to conceive of a situation where one would need more than 128
terabytes for a single field. If you decided to go to 63 bits, I guess you
do *MAX8EB (eight exabytes).

Joe

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