Re: How to add code to a C wrapper function generated by SWIG (for Python)

Maybe %newobject + %newfree typemaps would work for you in this case?

-- Rokas Kupstys

On 2021-01-22 10:48, lille stor wrote:
>
> Hi,
>
> When generating a Python wrapper using SWIG, many C wrapper functions 
> are generated. One of them is called "|_wrap_delete_Cursor" which 
> looks like this| (I have stripped it to the bare minimum):
>
> |SWIGINTERN PyObject *_wrap_delete_Cursor(PyObject *self, PyObject 
> *args) { // some generated C code by SWIG   // need to add code to 
> call a C function to release allocated memory } |
>
> This function is called when the object Cursor (created in Python) no 
> longer exists. Now, my problem is that I have some allocated memory on 
> the C side that needs to be released before existing the function 
> (otherwise, there will be memory leaks).
>
> Do you know how I can add a line of code this function to release 
> memory? All help is really welcome!
>
> L.
>
>
>
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