Re: QYASPOL API Problem

["Simon Coulter" <shc@xxxxxxxxxxxxxxxxx>]

Hello Chris,

You wrote:
>I get a CPF24B4 - Severe error while addressing parameter list. From the Error
>Code of the API.

Honestly, you would think people would have learnt by now.  This topic keeps
coming up and has been discussed on this list numerous times.  The fundamental
problem is a complete lack of understanding about basic data types.  This is not
rocket science -- understanding the basic data types of your programming 
language
language is fundamental to programming and should have been learnt in 
Programming
101.  The really annoying part is that this problem is simply an extension of a
problem we've had in RPG for years when dealing with the INFDS and PSDS.  They
also use BIN(4) -- and BIN(2) -- fields.

RPG 'B' fields are not the same as API binary fields.  This is discussed quite
clearly in the API reference manuals and even in the dis-Information Centre.
Follow the links:  Programming->CL and APIs->OS/400 APIs->Data Types and
Parameter Coding->Binary Data.  If you cannot understand that section then you
have no business programming.

Never use RPG 'B' fields unless you know what you are doing.  Don't use them 
just
because the dumb examples you are copying from use them.  If you are stuck using
RPG/400 or earlier then you have to use RPG 'B' and you should define them as 9B
0.  In RPG IV you should always use 10I 0 unless the API parameter definition is
explicitly marked as UNSIGNED in which case you should use 10U 0.

Regards,
Simon Coulter.
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