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A couple of trivial optimisations.

This commit is contained in:
Nicholas Marriott 2009-01-18 21:35:09 +00:00
parent 9690d9d5f1
commit 7bc8be006e
1 changed files with 7 additions and 4 deletions
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9
tty.c
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@ -1,4 +1,4 @@
/* $Id: tty.c,v 1.59 2009-01-18 12:09:42 nicm Exp $ */
/* $Id: tty.c,v 1.60 2009-01-18 21:35:09 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -317,6 +317,7 @@ tty_putc(struct tty *tty, char ch)
ch = tty_get_acs(tty, ch);
buffer_write8(tty->out, ch);
if (ch >= 0x20)
tty->cx++; /* This is right most of the time. */
if (tty->log_fd != -1)
@ -521,7 +522,6 @@ tty_cmd_reverseindex(
tty_cursor(tty, s->cx, s->cy, oy);
tty_putcode(tty, TTYC_RI);
}
void
@ -740,7 +740,10 @@ tty_region(struct tty *tty, struct screen *s, u_int oy)
void
tty_cursor(struct tty *tty, u_int cx, u_int cy, u_int oy)
{
if (tty->cx != cx || tty->cy != oy + cy) {
if (cx == 0 && tty->cx != 0 && tty->cy == oy + cy) {
tty->cx = 0;
tty_putc(tty, '\r');
} else if (tty->cx != cx || tty->cy != oy + cy) {
tty->cx = cx;
tty->cy = oy + cy;
tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);