- for (i = 0; i < options->num_ports; i++) {
- memset(&hints, 0, sizeof(hints));
- hints.ai_family = IPv4or6;
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
- snprintf(strport, sizeof strport, "%d", options->ports[i]);
- if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
- fatal("bad addr or host: %s (%s)",
- addr ? addr : "<NULL>",
- gai_strerror(gaierr));
- for (ai = aitop; ai->ai_next; ai = ai->ai_next)
- ;
- ai->ai_next = options->listen_addrs;
- options->listen_addrs = aitop;
- }
+ if (port == NULL)
+ for (i = 0; i < options->num_ports; i++)
+ add_one_listen_addr(options, addr, options->ports[i]);
+ else
+ add_one_listen_addr(options, addr, atoi(port));
+}
+
+void
+add_one_listen_addr(ServerOptions *options, char *addr, u_short port)
+{
+ struct addrinfo hints, *ai, *aitop;
+ char strport[NI_MAXSERV];
+ int gaierr;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = IPv4or6;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = (addr == NULL) ? AI_PASSIVE : 0;
+ snprintf(strport, sizeof strport, "%d", port);
+ if ((gaierr = getaddrinfo(addr, strport, &hints, &aitop)) != 0)
+ fatal("bad addr or host: %s (%s)",
+ addr ? addr : "<NULL>",
+ gai_strerror(gaierr));
+ for (ai = aitop; ai->ai_next; ai = ai->ai_next)
+ ;
+ ai->ai_next = options->listen_addrs;
+ options->listen_addrs = aitop;