+ *ret = addresses;
+ addresses = NULL;
+
+ return size;
+}
+
+int deserialize_in6_addrs(struct in6_addr **ret, const char *string) {
+ _cleanup_free_ struct in6_addr *addresses = NULL;
+ int size = 0;
+ const char *word, *state;
+ size_t len;
+
+ assert(ret);
+ assert(string);
+
+ FOREACH_WORD(word, len, string, state) {
+ _cleanup_free_ char *addr_str = NULL;
+ struct in6_addr *new_addresses;
+ int r;
+
+ new_addresses = realloc(addresses, (size + 1) * sizeof(struct in6_addr));
+ if (!new_addresses)
+ return -ENOMEM;
+ else
+ addresses = new_addresses;
+
+ addr_str = strndup(word, len);
+ if (!addr_str)
+ return -ENOMEM;
+
+ r = inet_pton(AF_INET6, addr_str, &(addresses[size]));
+ if (r <= 0)
+ continue;
+
+ size++;
+ }
+
+ *ret = addresses;
+ addresses = NULL;
+
+ return size;
+}
+
+void serialize_dhcp_routes(FILE *f, const char *key, struct sd_dhcp_route *routes, size_t size) {
+ unsigned i;
+
+ assert(f);
+ assert(key);
+ assert(routes);
+ assert(size);
+
+ fprintf(f, "%s=", key);
+
+ for (i = 0; i < size; i++) {
+ fprintf(f, "%s/%" PRIu8, inet_ntoa(routes[i].dst_addr),
+ routes[i].dst_prefixlen);
+ fprintf(f, ",%s%s", inet_ntoa(routes[i].gw_addr),
+ (i < (size - 1)) ? " ": "");
+ }
+
+ fputs("\n", f);