Re: inline function

["Schmidt, Mihael" <Mihael.Schmidt@xxxxxxxxxxx>]

Yes. It is a macro. I am not well versed in C.

For understanding my needs you would have to read the README at https://github.com/fbuihuu/libtree 

I have to create a compare function as a callback function in RPG (as RPG in my main programming language). The callback function gets two nodes. Each node is embedded in a user defined data structure. The function calculates the beginning of the user defined data structure by using the embedded node, some sizes and the offsetof macro. Actually I don't know how this works as I have seen it the first time today. But somehow it works.

Mihael

-----Original Message-----
From: c400-l-bounces+mihael.schmidt=rossmann.de@xxxxxxxxxxxx [mailto:c400-l-bounces+mihael.schmidt=rossmann.de@xxxxxxxxxxxx] On Behalf Of Dennis
Sent: Tuesday, February 01, 2011 4:17 PM
To: C programming iSeries / AS400
Subject: Re: [C400-L] inline function

> From my understanding, rbtree_container_of is a macro rather than a function (although it may seem to share some function attributes).  In what way would you hope to use rbtree_container_of in an RPG program/module?

"Schmidt, Mihael" <Mihael.Schmidt@xxxxxxxxxxx> wrote:

> The enum doesn't seem to be the problem.
>
> I now tried it with __inline instead of inline. That at least compiled.
> Google says that __inline is vendor/implementation specific.
>
> I think I'll leave it at that.
>
> But now I got another problem. The C header file defines a function:
>
> #  define rbtree_container_of(node, type, member)			\
> 	((type *)((char *)(node) - offsetof(type, member)))                   
>      
>
> This is a function I must use in my RPG program. How to do that?
>
> It seems I am out of luck. Any ideas?
>
> Thanx so far.
>
> Mihael
>
>
>
>
> -----Original Message-----
> From: c400-l-bounces+mihael.schmidt=rossmann.de@xxxxxxxxxxxx
> [mailto:c400-l-bounces+mihael.schmidt=rossmann.de@xxxxxxxxxxxx] On
> Behalf Of Dennis
> Sent: Tuesday, February 01, 2011 2:44 PM
> To: C programming iSeries / AS400
> Subject: Re: [C400-L] inline function
>
> I wonder if it's the enum that's actually presenting you with a
> problem.  How do the other static inline's compile?  All good?  Some
> good?  (Sorry, I lack a C compiler when I'm at work, and I lack i6.1
> altogether.
>
> "Schmidt, Mihael" <Mihael.Schmidt@xxxxxxxxxxx> wrote:
>
> > No, inline without static gives the same error messages. 
> >
> > https://github.com/fbuihuu/libtree/blob/master/rb.c 
> >
> > This is the source I try to compile.
> >
> > Mihael
> >
> > -----Original Message-----
> > From: c400-l-bounces+mihael.schmidt=rossmann.de@xxxxxxxxxxxx
> > [mailto:c400-l-bounces+mihael.schmidt=rossmann.de@xxxxxxxxxxxx] On
> > Behalf Of Erik Olsson
> > Sent: Tuesday, February 01, 2011 12:06 PM
> > To: C programming iSeries / AS400
> > Subject: Re: [C400-L] inline function
> >
> > Does it work if you remove static?
> >
> > 2011/2/1 Schmidt, Mihael <Mihael.Schmidt@xxxxxxxxxxx>:
> > > Hi,
> > >
> > > I have some problems compiling a source with the following function:
> > >
> > > static inline enum rb_color get_color(const struct rbtree_node
> *node)
> > > {
> > >        return node->color;
> > > }
> > >
> > > The error messages are:
> > >
> > > CZM0166 : Definition of function inline requires parentheses.
> > > ...
> > > CZM0485 : Parameter declaration list is incompatible with declarator
> > for inline.
> > > ...
> > >
> > > If I remove inline everything compiles just fine.
> > >
> > > Any idea?
> > >
> > > Mihael Schmidt
> > > Anwendungsentwicklung
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