From 693b3d03e66e5ab2f4c4e31b7d5d2c1629afbd8c Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Mon, 12 Oct 2009 16:41:02 +0000 Subject: [PATCH] Don't run through the column unchanged case if the row was unchanged but there were no suitable optimisations, instead make it an else to fall through to absolute addressing. --- tty.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/tty.c b/tty.c index 29c84832..53e017bc 100644 --- a/tty.c +++ b/tty.c @@ -968,8 +968,12 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy) goto out; } - /* Row staying the same. */ + /* Moving column or row. */ if (cy == thisy) { + /* + * Moving column only, row staying the same. + */ + /* To left edge. */ if (cx == 0) { tty_putc(tty, '\r'); @@ -1005,10 +1009,11 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy) tty_putcode1(tty, TTYC_CUF, -change); goto out; } - } + } else if (cx == thisx) { + /* + * Moving row only, column staying the same. + */ - /* Column staying the same. */ - if (cx == thisx ) { /* One above. */ if (cy != tty->rupper && cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {