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Fix crash on load of bigger font. It reduce width and height of terminal, but

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current cursor position stay bigger that terminal window size, so next input
triggers assert.

Reported by:	emaste

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Aleksandr Rybalko 2014-02-06 11:38:39 +00:00
parent c79a4afc20
commit f821d023ac
1 changed files with 17 additions and 0 deletions
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17
sys/teken/teken.c
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@ -338,10 +338,26 @@ teken_get_winsize(teken_t *t)
return (&t->t_winsize);
}
static void
taken_trim_cursor_pos(teken_t *t, const teken_pos_t *new)
{
const teken_pos_t *cur;
cur = &t->t_winsize;
if (cur->tp_row < new->tp_row || cur->tp_col < new->tp_col)
return;
if (t->t_cursor.tp_row >= new->tp_row)
t->t_cursor.tp_row = new->tp_row - 1;
if (t->t_cursor.tp_col >= new->tp_col)
t->t_cursor.tp_col = new->tp_col - 1;
}
void
teken_set_winsize(teken_t *t, const teken_pos_t *p)
{
taken_trim_cursor_pos(t, p);
t->t_winsize = *p;
teken_subr_do_reset(t);
}
@ -350,6 +366,7 @@ void
teken_set_winsize_noreset(teken_t *t, const teken_pos_t *p)
{
taken_trim_cursor_pos(t, p);
t->t_winsize = *p;
teken_subr_do_resize(t);
}