Do not print empty portnumber for AF_UNIX remote control iface.

refs #36

src/knot/ctl/remote.c

@@ -387,8 +387,7 @@ int remote_bind(conf_iface_t *desc)
 	int s = socket_create(desc->family, SOCK_STREAM, 0);
 	if (s < 0) {
 		log_server_error("Couldn't create socket for remote "
-				 "control interface - %s",
-				 knot_strerror(s));
+				 "control interface - %s", knot_strerror(s));
 		return KNOT_ERROR;
 	}
 
@@ -398,10 +397,8 @@ int remote_bind(conf_iface_t *desc)
 		r = socket_listen(s, TCP_BACKLOG_SIZE);
 	}
 	if (r != KNOT_EOK) {
+		log_server_error("Could not bind to remote control interface.\n");
 		socket_close(s);
-		log_server_error("Could not bind to "
-				 "remote control interface %s port %d.\n",
-				 desc->address, desc->port);
 		return r;
 	}
 

src/knot/main.c

@@ -306,9 +306,13 @@ int main(int argc, char **argv)
 		conf_iface_t *ctl_if = conf()->ctl.iface;
 		int remote = -1;
 		if (ctl_if != NULL) {
+			memset(buf, 0, buflen);
+			if (ctl_if->port)
+				snprintf((char*)buf, buflen, "@%d", ctl_if->port);
+			/* Log control interface description. */
 			log_server_info("Binding remote control interface "
-					"to %s@%d.\n",
-					ctl_if->address, ctl_if->port);
+					"to %s%s\n",
+					ctl_if->address, (char*)buf);
 			remote = remote_bind(ctl_if);
 		}
 		if (remote < 0)