From: Jeff Davis <ruby@...>
Date: 2008-01-02T07:51:44+09:00
Subject: Re: ruby 1.9 porting problem

On Wed, 2008-01-02 at 06:59 +0900, Michael Neumann wrote:
> Jeff Davis wrote:
> > I am having problems porting my extension to 1.9.
> > 
> > I'm doing something like:
> > 
> > static VALUE my_alloc(VALUE klass)
> > {
> > 	return Data_Wrap_Struct(klass, NULL, my_free, NULL);
> > }
> > ...
> > static VALUE my_init(int argc, VALUE *argv, VALUE self)
> > {
> > 	...
> > 	Check_Type(self,T_DATA);
> > 	DATA_PTR(self) = my_var;
> 
> 
> That generally should work. Have you tried with a non-NULL value in 
> Data_Wrap_Struct? Have you tried a 0-ary method first?
> 
> static VALUE my_init(VALUE self)
> {
>   	...
>   	Check_Type(self,T_DATA);
>   	DATA_PTR(self) = my_var;
> 

Thank you for the reply. I think I found the problem: I was compiling
the extension against ruby 1.9, but when I ran irb, I was mistakenly
running irb 1.8.

Too many combinations of installations to keep track of when trying to
do portability testing ;)

Regards,
	Jeff Davis