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Sharon's prototype e-mail finally showed up. I wonder what took it so long.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Wintermute, Sharon
Sent: Wednesday, June 23, 2010 8:00 AM
To: RPG programming on the IBM i / System i
Subject: RE: C rename returns -1 but error text says no error exists

Simon,

We are using option 1 as you stated.

D rename PR 10i 0 ExtProc('Qp0lRenameKeep')
D old * Value options(*string)
D new * Value options(*string)

I went to check since your question made me wonder.

</grin>

Sharon Wintermute

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Simon Coulter
Sent: Tuesday, June 22, 2010 6:01 PM
To: RPG programming on the IBM i / System i
Subject: Re: C rename returns -1 but error text says no error exists


On 23/06/2010, at 6:57 AM, Wintermute, Sharon wrote:

I have several routines that rename files in the IFS and none of them
use null terminators.

Then one of three things is happening:
1) you are relying on RPG to null-terminate for you by specifying
OPTIONS(*STRING) on the prototype
2) you are using the Qlg API variants where you provide the path name and length in a structure
3) you are living dangerously

1 and 2 are safe practices but if you really are invoking the IFS APIs without null-terminating strings like path names then your code will one day fail.

Regards,
Simon Coulter.
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