static void
dict_to_map(PyObject *map, Py_ssize_t nmap, PyObject *dict, PyObject **values,
Py_ssize_t deref, int clear)
{
Py_ssize_t j;
for (j = nmap; --j >= 0; ) {
PyObject *key = PyTuple_GET_ITEM(map, j);
PyObject *value = PyObject_GetItem(dict, key);
if (value == NULL)
PyErr_Clear();
if (deref) {
if (value || clear) {
if (PyCell_GET(values[j]) != value) {
if (PyCell_Set(values[j], value) < 0)
PyErr_Clear();
}
}
} else if (value != NULL || clear) {
if (values[j] != value) {
Py_XINCREF(value);
Py_XDECREF(values[j]);
values[j] = value;
}
}
Py_XDECREF(value);
}
}
static void
dict_to_map(PyObject *map, Py_ssize_t nmap, PyObject *dict, PyObject **values,
int deref, int clear)
{
Py_ssize_t j;
assert(PyTuple_Check(map));
assert(PyDict_Check(dict));
assert(PyTuple_Size(map) >= nmap);
for (j = nmap; --j >= 0; ) {
PyObject *key = PyTuple_GET_ITEM(map, j);
PyObject *value = PyObject_GetItem(dict, key);
assert(PyString_Check(key));
/* We only care about NULLs if clear is true. */
if (value == NULL) {
PyErr_Clear();
if (!clear)
continue;
}
if (deref) {
assert(PyCell_Check(values[j]));
if (PyCell_GET(values[j]) != value) {
if (PyCell_Set(values[j], value) < 0)
PyErr_Clear();
}
} else if (values[j] != value) {
Py_XINCREF(value);
Py_XDECREF(values[j]);
values[j] = value;
}
Py_XDECREF(value);
}
}
