From: ts <decoux@...>
Date: 2001-06-23T17:22:10+09:00
Subject: [ruby-talk:16793] Re: wrapping structures

>>>>> "M" == Martin Chase <stillflame@go.com> writes:

M> anyway, here's a piece of my c coding that should (hopefully) show where
M> i'm having the problem. nothing in it will really be important except
M> the "Data_(Wrap|Get)_Struct" parts and what they deal with, as the rest
M> i have verified as functional with non-ruby-extending test programs that
M> use the same fuctions (but i left it in to help describe the setting):  

 Well it's difficult to say but why all these indirections ???

M> VALUE LP_dict_new(VALUE class, VALUE dict_names) 
M> { 
M> VALUE rb_dict; 
M> VALUE argv[1]; 
M> Dictionary *LP_dict; 
   ^^^^^^^^^^^^^^^^^^^
M> *LP_dict = dictionary_create( 
   ^^^^^^^^
M> STR2CSTR(rb_ary_shift(dict_names)), 
M> STR2CSTR(rb_ary_shift(dict_names)), 
M> STR2CSTR(rb_ary_shift(dict_names)), 
M> STR2CSTR(rb_ary_shift(dict_names))); 
M> argv[0] = rb_dict = Data_Wrap_Struct(class, 0, LP_dict_delete, LP_dict); 
M> rb_obj_call_init(rb_dict, 1, argv); 
M> return rb_dict; 
M> } 

 why you don't write

   Dictionary LP_dict = dictionary_create(/* ... */);


Guy Decoux