RE: Value vs. Const

["Bartell, Aaron L. (TC)" <ALBartell@xxxxxxxxxxxxxx>]

Yep, that is what I use and it works great if I don't use VARYING.  I get
mixed results (works some days and other days it doesn't, doesn't work in
debug but works if debug isn't running, stuff like that).  So I just don't
really use it.

I should state that the troublesome C API's have been more from the
Alphaworks XML Interface for RPG and not really the Unix style IFS API's.

Aaron Bartell

-----Original Message-----
From: DeLong, Eric [mailto:EDeLong@xxxxxxxxxxxxxxx]
Sent: Friday, August 08, 2003 9:46 AM
To: 'RPG programming on the AS400 / iSeries'
Subject: RE: Value vs. Const


Aaron,

Concerning varying length strings, the OPTIONS(*String) attribute is
generally used to make a "C" style character string, which is null
terminated. Barbara Morris' "Converting from C prototypes to RPG prototypes"
has a small section that describes C strings, in addition to other useful
tips.  http://www.opensource400.org/callc.html

Eric DeLong
Sally Beauty Company
MIS-Project Manager (BSG)
940-898-7863 or ext. 1863



-----Original Message-----
From: Bartell, Aaron L. (TC) [mailto:ALBartell@xxxxxxxxxxxxxx]
Sent: Friday, August 08, 2003 9:17 AM
To: 'RPG programming on the AS400 / iSeries'
Subject: RE: Value vs. Const


Joel, concerning "what is big".

I'm a big fan of 32767 for my character variables where I don't know what
might be passed into me.  It may seem like a lot, but when you start doing
web programming, working with IFS files, and processing XML you quickly find
yourself making fields quite large.  I have put VARYING into a few of my
apps, but have taken them out because they are buggy and they were
implemented as if RPG wasn't a HLL.  

Based on my last comment, has anybody else run into problems with mixing
fixed length character variables and VARYING when sending parms to a sub
proc?  Or problems when using VARYING variables with C API's?

Aaron Bartell
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