+static int telnet_history_print(struct connection *connection)
+{
+ struct telnet_connection *tc;
+
+ tc = connection->priv;
+
+ for (size_t i = 1; i < TELNET_LINE_HISTORY_SIZE; i++) {
+ char *line;
+
+ /*
+ * The tc->next_history line contains empty string (unless NULL), thus
+ * it is not printed.
+ */
+ line = tc->history[(tc->next_history + i) % TELNET_LINE_HISTORY_SIZE];
+
+ if (line) {
+ telnet_write(connection, line, strlen(line));
+ telnet_write(connection, "\r\n\x00", 3);
+ }
+ }
+
+ tc->line_size = 0;
+ tc->line_cursor = 0;
+
+ /* The prompt is always placed at the line beginning. */
+ telnet_write(connection, "\r", 1);
+
+ return telnet_prompt(connection);
+}
+