How to deal with array pointers in ruby Fiddle

Question

I am trying to switch from Ruby FFI to Fiddle, which is now part of Ruby std lib.

It is pretty undocumented though, and I am having a hard time in figuring out how to de

Answer 1

you mean build an c array and this array`s pointer in ruby?

you can try like this:

free = Fiddle::Function.new(Fiddle::RUBY_FREE, [TYPE_VOIDP], TYPE_VOID)
p = Pointer.malloc(SIZEOF_DOUBLE*len, free)

and call like this:

my_func(p,len)

ruby GC will call the free function when this memory block will not be used.