Re: [Swig-user] functions returning pointers to arrays

[Steve S. <ssa...@in...>]

John Lenz wrote:

> This is somewhat hard to wrap.  You would need to use out typemaps... but
> need to combine out typemap with an argout... would be somewhat nasty.
> 
> But an alternative is to write some helper function like so
> 
> %inline %{
> struct MyStrArray {
>   int len;
>   MyStruct *arr;
> };
> %}
> 
> %extend MyStrArray %{
>   MyStruct getItem(int i) {
>     if (0 <= i && i < $self->len) {
>       return $self->arr[i];
>     } else {
>       return 0;
>   }

This is making sense.  Thanks.   Wouldn't getItem() return a pointer though?
That is, wouldn't the first two lines of the last piece above really be this?

%extend% MyStrArray %{
    MyStruct *getItem(int i) {

                  ^ pointer difference

-- 
Steve Sapovits
Invite Media  -  http://www.invitemedia.com
ssa...@in...