+static void telnet_move_cursor(struct connection *connection, size_t pos)
+{
+ struct telnet_connection *tc;
+ size_t tmp;
+
+ tc = connection->priv;
+
+ if (pos < tc->line_cursor) {
+ tmp = tc->line_cursor - pos;
+
+ for (size_t i = 0; i < tmp; i += 16)
+ telnet_write(connection, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b",
+ MIN(tmp - i, 16));
+ } else {
+ tmp = pos - tc->line_cursor;
+
+ for (size_t i = 0; i < tmp; i += 16)
+ telnet_write(connection, tc->line + tc->line_cursor + i,
+ MIN(tmp - i, 16));
+ }
+
+ tc->line_cursor = pos;
+}
+