Re: [Plplot-devel] The libltdl method of dynamically loading our drivers is now working (was Quick help needed with changing a struct and a typedef in PLplot)

[Alan W. I. <ir...@be...>]

On Tue, 26 Nov 2002, Maurice LeBrun wrote:

> Alan W. Irwin writes:
>  > Any C expert on the list know why *PLDispatchInit rather than
>  > PLDispatchInit?

> [...]One confusing point is that ANSI C allows you to drop the explicit dereference
> when making the actual function call, i.e.
>
>     (*dispatch_init)(pdt);
> and
>     dispatch_init(pdt);
>
> are the same.  But since you have to keep the distinction straight in the
> declaration, the first form is probably better (IMO) as being more
> transparent.

Thanks, Maurice.  I was indeed getting confused by that.  Thanks for the
explanation!

>  > One other issue I ran into was how to initialize libltdl and release its
>  > memory when done.
>
> Could it go in pllib_init()? I added this earlier this year to help solve
> this problem

Yes, that is an excellent solution which I have just tested and committed.
Thanks!

Alan