597 static PyObject *
598 xattr_set(PyObject *self, PyObject *args, PyObject *keywds)
599 {
600     PyObject *myarg, *res;
601     int nofollow = 0;
602     char *attrname = NULL;
603     char *buf = NULL;
604     Py_ssize_t bufsize;
605     int nret;
606     int flags = 0;
607     target_t tgt;
608     char *ns = NULL;
609     char *newname;
610     const char *full_name;
611     static char *kwlist[] = {"item", "name", "value", "flags",
612                              "nofollow", "namespace", NULL};
613 
614     /* Parse the arguments */
615     if (!PyArg_ParseTupleAndKeywords(args, keywds, "Oetet#|iiz", kwlist,
when _PyArg_ParseTupleAndKeywords_SizeT() succeeds
taking False path
616                                      &myarg, NULL, &attrname, NULL,
617                                      &buf, &bufsize, &flags, &nofollow, &ns))
618         return NULL;
619     if(!convertObj(myarg, &tgt, nofollow)) {
when considering value == (int)0 from xattr.c:619
taking True path
620         res = NULL;
621         goto freearg;
622     }
623 
624     full_name = merge_ns(ns, attrname, &newname);
625 
626     /* Set the attribute's value */
627     nret = _set_obj(&tgt, full_name, buf, bufsize, flags);
628 
629     if(newname != NULL)
630         PyMem_Free(newname);
631 
632     free_tgt(&tgt);
633 
634     if(nret == -1) {
635         res = PyErr_SetFromErrno(PyExc_IOError);
636         goto freearg;
637     }
638 
639     Py_INCREF(Py_None);
640     res = Py_None;
641 
642  freearg:
643     PyMem_Free(attrname);
644     PyMem_Free(buf);
645 
646     /* Return the result */
647     return res;
648 }
returning (PyObject*)NULL without setting an exception