extmod/network_lwip.c: Allow using the CIDR notation for addr4.

There was a little omisssion in the code. Signed-off-by: robert-hh <robert@hammelrath.com>
micropython · Mar 28, 2024 · 08758f3 · 08758f3
1 parent c8101c8
commit 08758f3
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/extmod/network_lwip.c b/extmod/network_lwip.c
@@ -303,14 +303,15 @@ mp_obj_t mod_network_nic_ipconfig(struct netif *netif, size_t n_args, const mp_o
                                     to_copy = split - addr_str;
                                 }
                                 memcpy(plain_ip, addr_str, to_copy);
+                                plain_ip[to_copy] = '\0';
                                 mp_obj_t prefix_obj = mp_parse_num_integer(split + 1, strlen(split + 1), 10, NULL);
                                 prefix_bits = mp_obj_get_int(prefix_obj);
                             }
                             if (mp_obj_str_get_qstr(args[0]) == MP_QSTR_addr4) {
                                 uint32_t mask = -(1u << (32 - prefix_bits));
                                 ip_addr_set_ip4_u32_val(netmask, ((mask & 0xFF) << 24) | ((mask & 0xFF00) << 8) | ((mask >> 8) & 0xFF00) | ((mask >> 24) & 0xFF));
                             }
-                            if (!ipaddr_aton(addr_str, &ip_addr)) {
+                            if (!ipaddr_aton(plain_ip, &ip_addr)) {
                                 mp_raise_ValueError(MP_ERROR_TEXT("invalid arguments"));
                             }
                             if ((mp_obj_str_get_qstr(args[0]) == MP_QSTR_addr6) != IP_IS_V6(&ip_addr)