RE: Convert hex to char (cvtch)

I'm going to "guess" here having not looked at it thoroughly yet, but I
don't think you can pass the address of a subfield of a data structure that
is BASED.

Bob

-----Original Message-----
From: rpg400-l-bounces@midrange.com [mailto:rpg400-l-bounces@midrange.com]
On Behalf Of Smith, Nelson
Sent: Thursday, January 30, 2003 3:29 PM
To: 'RPG programming on the AS400 / iSeries'
Subject: RE: Convert hex to char (cvtch)


I changed it to 9B 0 and still get the same space offset error.....

> -----Original Message-----
> From: Joe Pluta [SMTP:joepluta@PlutaBrothers.com]
> Sent: Thursday, January 30, 2003 3:58 PM
> To:   RPG programming on the AS400 / iSeries
> Subject:      RE: Convert hex to char (cvtch)
> 
> > From: Smith, Nelson
> >
> > I'm trying to use cvtch to convert hex data to character, and I'm 
> > getting a space offset error.
> 
> This is the dreaded 'B' binary data type issue.
> 
> D  hexFunctCode                  4B 0
> 
> The above does NOT define a binary field 4 bytes long.  It defines a 
> binary field which can hold four digits of information, which is 
> actually a two-byte field.  So you want to be converting a 2-byte hex 
> field into a 4-byte character field.  Change your code as shown:
> 
> 
> D  hexFunctCode                  4B 0
> D  alp2HexBytes                  2A   OVERLAY(ds_ZDAQ0200:29)
> 
> D  alp4CharBytes  S              4A   INZ
> 
> C                   CALLP     cvtch(%ADDR(alp4CharBytes)
> C                                  :%ADDR(alp2HexBytes)
> C                                  :%Len(alp4CharBytes)  )
> 
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