update:
if I use C's free(result), free(a) free(b) instead of PyMem_Free...I
only get one successfuly use/call of doStuff.
i.e.
// this works
doStuff(...)
// python crashes here
doStuff(...)
Java and Swing wrote:
> static PyObject *wrap_doStuff(PyObject *self, PyObject *args) {
> // this will store the result in a Python object
> PyObject *finalResult;
>
> // get arguments from Python
> char *result = 0;
> char *in= 0;
> char *aString = 0;
> char *bString = 0;
> MY_NUM *a;
> MY_NUM *b;
> int ok = PyArg_ParseTuple(args, "sss", &in, &aString, &bString);
> if (!ok) return 0;
>
> // do work to get a and b
> // count - returns an int; GetVal - returns a char *
> a = GetVal(aString, count(aString, ","));
> b = GetVal(bString, count(bString, ","));
>
> // make function call, which returns a char *
> result = doStuff(in, a, b);
>
> // save result in Python string
> finalResult = PyString_FromString(result);
>
> // free memory
> PyMem_Free(result);
> PyMem_Free(a);
> PyMem_Free(b);
>
> // return the result as a Python string
> return finalResult;
> }
>
> ...from python I can call this function 4 times...works fine. WHen I
> call it for the fifth time python.exe crashes. im thinking some memory
> problem in the wrapper function perhaps...but I am not sure. The
> actually C function, doStuff can be called 5, 6,7...N times without a
> problem
> so i know its gotta be my wrapper.
>
> Any ideas? Thanks!
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