RE: Accessing data in IFS

>isn't a return descriptor of 0 a valid return ie it found the file
successfully ?  Its only if >it returns a negative that theres an error.

Yes zero (0) is valid, but I think that means that it created and opened the
file vs. just opening it.  When the zero was returned the read() did not
return any data which leads me to believe the previous sentence.

Aaron Bartell



-----Original Message-----
From: MBarton@pink.co.uk [mailto:MBarton@pink.co.uk]
Sent: Wednesday, March 20, 2002 9:26 AM
To: rpg400-l@midrange.com
Subject: RE: Accessing data in IFS





>There is a programmer in my shop working on a program that opens a file in
>the IFS to read in a template for an email.  Now remember, this file
already
>exists and is about 2k.  We are having very weird results to say the least.
>When we call it interactively, the first time it returns a file descriptor
>of 0.  The second time we call the program it returns a file descriptor of
3
>and we get the desired output.
>
>Any ideas?  I should mention that the open api is wrapped in a module.  The
>module contains the code that came from "Who knew you could do that with
>RPG. . ." for the open(), read(), write(), and close().

snip

Aaron

     isn't a return descriptor of 0 a valid return ie it found the
file successfully ?
Its only if it returns a negative that theres an error.

Mike



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