Re: Parameter passing advice...

[Clemens Kirchgatterer <clemens root at>]

Chris Elston wrote:
> A common "problem" when working the C version of GTK is the what's and
> how's of passing parameters to signal handling functions.  If I'm not mistaken,
> every "signal_connect" function ends in a gpointer (* void) parameter
> which is there for the programmer to use for his own purpose(s).  Now,
> I have experience with C but I'm no expert so this next question is both
> related to that and my curiousity with GTK.
>
> Sometimes, one parameter is not enough.  What methods have you all used in
> the past to get around having only one gpointer at your disposal when you
> need much more?  GLists?  Arrays?  some kind of hack around with regards
> to the nature of void pointers?

if you need a relativly low and fixed number if parameters, a pointer to
a struct will do the job. when the numbers of parameters is fixed but
big, i would use a pointer to an array of pointers, otherwise a glist.

OM2C ...
clemens