RE: C rename returns -1 but error text says no error exists

["Wintermute, Sharon" <Sharon.Wintermute@xxxxxxxxxxxxxxxx>]

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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