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Sync OpenBSD patchset 399: 

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.
pull/1/head
Tiago Cunha 2009-10-15 01:38:09 +00:00
parent 858b8b190b
commit 04db3c6211
1 changed files with 10 additions and 5 deletions
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15
tty.c
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@ -1,4 +1,4 @@
/* $Id: tty.c,v 1.148 2009-10-15 01:36:53 tcunha Exp $ */
/* $Id: tty.c,v 1.149 2009-10-15 01:38:09 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -973,8 +973,12 @@ 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');
@ -1010,10 +1014,11 @@ 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)) {