518 static PyObject *
519 pysetxattr(PyObject *self, PyObject *args)
520 {
521     PyObject *myarg, *res;
522     int nofollow = 0;
523     char *attrname = NULL;
524     char *buf = NULL;
525     Py_ssize_t bufsize;
526     int nret;
527     int flags = 0;
528     target_t tgt;
529 
530     /* Parse the arguments */
531     if (!PyArg_ParseTuple(args, "Oetet#|bi", &myarg, NULL, &attrname,
when _PyArg_ParseTuple_SizeT() succeeds
taking False path
532                           NULL, &buf, &bufsize, &flags, &nofollow))
533         return NULL;
534     if(!convertObj(myarg, &tgt, nofollow)) {
when considering value == (int)0 from xattr.c:534
taking True path
535         res = NULL;
536         goto freearg;
537     }
538 
539     /* Set the attribute's value */
540     nret = _set_obj(&tgt, attrname, buf, bufsize, flags);
541 
542     free_tgt(&tgt);
543 
544     if(nret == -1) {
545         res = PyErr_SetFromErrno(PyExc_IOError);
546         goto freearg;
547     }
548 
549     Py_INCREF(Py_None);
550     res = Py_None;
551 
552  freearg:
553     PyMem_Free(attrname);
554     PyMem_Free(buf);
555 
556     /* Return the result */
557     return res;
558 }
returning (PyObject*)NULL without setting an exception