Re: [PATCH v2] Make error handling of public API consistent

[Egeyar Bagcioglu]

Hi Mohammad,

> > > > All `ios_cur`, `ios_search` and `ios_search_by_id` functions will return `NULL`
> > > > when the entry does not exist.
> > > > I don't think that's a failure or error. Everything in the library worked
> > > > as expected and not found the requested item.
> > > Oh, of course.
> > > We have to return PK_IOS_INVALID in that case, and set status to PK_OK.
> > Do you mean we have to return `NULL`?
> > Or ...
> Hm yes,  return NULL and set pk_errno to PK_OK.
> Your code was right, sorry for the noise :)

I see that you found a common agreement. I agree that these functions 
cannot trigger an error. Non-existence of an IOS is a perfectly normal 
behaviour.

Regards
Ege