Re: [Swig-user] bus error

[Gabriel R. <gab...@ar...>]

Josh Cherry wrote:
>
>
> On Mon, 21 Sep 2009, gab...@ar... wrote:
>
>> I keep on getting a "bus error" when I activate this in my .i :
>>
>> %typemap(out) true_or_false {
>>    if($1 <= 0)
>>        $result = Py_False;
>>    else
>>        $result = Py_True;
>> }
>>
>> where true_or_false is defined in my .h as :
>>
>> typedef int true_or_false;
>>
>> but if I comment it out (and adjust the conditions in the test code) 
>> I no
>> longer get it. Does anyone have an idea why this happens? It doesn't
>> happen on the first call, just kind of randomly.
>
> Probably because you're not adjusting the reference counts on the 
> Python objects.
>
> Josh
>
so I should do something like this :

%typemap(out) true_or_false {
    if($1 <= 0)
        $result = Py_False;
    else
        $result = Py_True;
    Py_CLEAR($1);
    Py_INCREF($result);
}

Gabriel