1 files changed, 31 insertions, 0 deletions
diff --git a/server-client.c b/server-client.c
index ccddee7a..048a138b 100644
--- a/server-client.c
+++ b/server-client.c
@@ -1636,3 +1636,34 @@ server_client_push_stderr(struct client *c)
 		log_debug("%s: client %p, queued", __func__, c);
 	}
 }
+
+/* Add to client message log. */
+void
+server_client_add_message(struct client *c, const char *fmt, ...)
+{
+	struct message_entry	*msg, *msg1;
+	char			*s;
+	va_list			 ap;
+	u_int			 limit;
+
+	va_start(ap, fmt);
+	xvasprintf(&s, fmt, ap);
+	va_end(ap);
+
+	log_debug("%s: message %s", c->tty.path, s);
+
+	msg = xcalloc(1, sizeof *msg);
+	msg->msg_time = time(NULL);
+	msg->msg_num = c->message_next++;
+	msg->msg = s;
+	TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
+
+	limit = options_get_number(global_options, "message-limit");
+	TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
+		if (msg->msg_num + limit >= c->message_next)
+			break;
+		free(msg->msg);
+		TAILQ_REMOVE(&c->message_log, msg, entry);
+		free(msg);
+	}
+}