static int _socket_getaddrinfo2(const mp_obj_t host, const mp_obj_t portx, struct addrinfo **resp) {
const struct addrinfo hints = {
.ai_family = AF_INET,
.ai_socktype = SOCK_STREAM,
};
mp_obj_t port = portx;
if (MP_OBJ_IS_SMALL_INT(port)) {
// This is perverse, because lwip_getaddrinfo promptly converts it back to an int, but
// that's the API we have to work with ...
port = mp_obj_str_binary_op(MP_BINARY_OP_MODULO, mp_obj_new_str_via_qstr("%s", 2), port);
}
const char *host_str = mp_obj_str_get_str(host);
const char *port_str = mp_obj_str_get_str(port);
if (host_str[0] == '\0') {
// a host of "" is equivalent to the default/all-local IP address
host_str = "0.0.0.0";
}
MP_THREAD_GIL_EXIT();
int res = lwip_getaddrinfo(host_str, port_str, &hints, resp);
MP_THREAD_GIL_ENTER();
return res;
}
STATIC mp_obj_t str_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
mp_obj_type_t *type = mp_obj_get_type(self_in);
assert(type == &mp_type_str);
GET_STR_DATA_LEN(self_in, self_data, self_len);
if (value == MP_OBJ_SENTINEL) {
// load
#if MICROPY_PY_BUILTINS_SLICE
if (MP_OBJ_IS_TYPE(index, &mp_type_slice)) {
mp_obj_t ostart, ostop, ostep;
mp_obj_slice_get(index, &ostart, &ostop, &ostep);
if (ostep != mp_const_none && ostep != MP_OBJ_NEW_SMALL_INT(1)) {
mp_raise_NotImplementedError("only slices with step=1 (aka None) are supported");
}
const byte *pstart, *pstop;
if (ostart != mp_const_none) {
pstart = str_index_to_ptr(type, self_data, self_len, ostart, true);
} else {
pstart = self_data;
}
if (ostop != mp_const_none) {
// pstop will point just after the stop character. This depends on
// the \0 at the end of the string.
pstop = str_index_to_ptr(type, self_data, self_len, ostop, true);
} else {
pstop = self_data + self_len;
}
if (pstop < pstart) {
return MP_OBJ_NEW_QSTR(MP_QSTR_);
}
return mp_obj_new_str_of_type(type, (const byte *)pstart, pstop - pstart);
}
#endif
const byte *s = str_index_to_ptr(type, self_data, self_len, index, false);
int len = 1;
if (UTF8_IS_NONASCII(*s)) {
// Count the number of 1 bits (after the first)
for (char mask = 0x40; *s & mask; mask >>= 1) {
++len;
}
}
return mp_obj_new_str_via_qstr((const char*)s, len); // This will create a one-character string
} else {
return MP_OBJ_NULL; // op not supported
