- memset(hints, 0, sizeof hints);
- hints->ai_family = na->af;
- hints->ai_protocol = protocol;
- hints->ai_flags = passive ? AI_PASSIVE : 0;
- snprintf(service, sizeof service, "%d", na->port);
- rc = getaddrinfo(na->address, service, hints, &res);
- if(rc) {
- disorder_error(0, "getaddrinfo %s %d: %s",
- na->address ? na->address : "*",
- na->port, gai_strerror(rc));
- return NULL;
+#if HAVE_SYS_UN_H
+ if (na->af == AF_UNIX) {
+ /* `getaddrinfo' won't work, so we make our own one */
+ res = xmalloc(sizeof(*res));
+ res->ai_flags = 0;
+ res->ai_family = AF_UNIX;
+ res->ai_socktype = (protocol == IPPROTO_UDP ? SOCK_DGRAM : SOCK_STREAM);
+ res->ai_protocol = 0;
+ res->ai_addrlen = offsetof(struct sockaddr_un, sun_path) +
+ strlen(na->address) + 1;
+ sun = xmalloc(res->ai_addrlen);
+ sun->sun_family = AF_UNIX;
+ strcpy(sun->sun_path, na->address);
+ res->ai_addr = (struct sockaddr *)sun;
+ res->ai_canonname = sun->sun_path;
+ res->ai_next = 0;
+ } else
+#endif
+ {
+ /* get the system to do the heavy lifting */
+ memset(hints, 0, sizeof hints);
+ hints->ai_family = na->af;
+ hints->ai_protocol = protocol;
+ hints->ai_flags = passive ? AI_PASSIVE : 0;
+ byte_snprintf(service, sizeof service, "%d", na->port);
+ rc = getaddrinfo(na->address, service, hints, &res);
+ if(rc) {
+ disorder_error(0, "getaddrinfo %s %d: %s",
+ na->address ? na->address : "*",
+ na->port,
+ format_error(ec_getaddrinfo, rc, errbuf, sizeof errbuf));
+ return NULL;
+ }
+ assert(res->ai_family != AF_UNIX);