kike: unindent a function by refactoring

kike.c

@@ -2760,40 +2760,35 @@ client_update_poller (struct client *c, const struct pollfd *pfd)
 		poller_fd_set (&c->socket_event, new_events);
 }
 
-static void
-on_irc_client_available (const struct pollfd *pfd, void *user_data)
-{
-	(void) pfd;
-	struct server_context *ctx = user_data;
-
-	while (true)
+static bool
+irc_try_fetch_client (struct server_context *ctx, int listen_fd)
 {
 	// XXX: `struct sockaddr_storage' is not the most portable thing
 	struct sockaddr_storage peer;
 	socklen_t peer_len = sizeof peer;
 
-		int fd = accept (pfd->fd, (struct sockaddr *) &peer, &peer_len);
+	int fd = accept (listen_fd, (struct sockaddr *) &peer, &peer_len);
 	if (fd == -1)
 	{
 		if (errno == EAGAIN)
-				break;
+			return false;
 		if (errno == EINTR
 		 || errno == ECONNABORTED)
-				continue;
+			return true;
 
 		// TODO: handle resource exhaustion (EMFILE, ENFILE) specially
 		//   (stop accepting new connections and wait until we close some;
 		//   also set a timer in case of ENFILE).
 		print_fatal ("%s: %s", "accept", strerror (errno));
 		irc_initiate_quit (ctx);
-			break;
+		return false;
 	}
 
 	if (ctx->max_connections != 0 && ctx->n_clients >= ctx->max_connections)
 	{
 		print_debug ("connection limit reached, refusing connection");
 		close (fd);
-			continue;
+		return true;
 	}
 
 	char host[NI_MAXHOST] = "unknown", port[NI_MAXSERV] = "unknown";
@@ -2834,7 +2829,15 @@ on_irc_client_available (const struct pollfd *pfd, void *user_data)
 	set_blocking (fd, false);
 	client_update_poller (c, NULL);
 	client_set_kill_timer (c);
+	return true;
 }
+
+static void
+on_irc_client_available (const struct pollfd *pfd, void *user_data)
+{
+	struct server_context *ctx = user_data;
+	while (irc_try_fetch_client (ctx, pfd->fd))
+		;
 }
 
 // --- Application setup -------------------------------------------------------