diff options
Diffstat (limited to 'sys/kern/tty.c')
| -rw-r--r-- | sys/kern/tty.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index d72aec1..da7b696 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -2760,3 +2760,21 @@ ttyioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) return (error); return (ENOTTY); } + +int +ttyldoptim(struct tty *tp) +{ + struct termios *t; + + t = &tp->t_termios; + if (!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON)) + && (!(t->c_iflag & BRKINT) || (t->c_iflag & IGNBRK)) + && (!(t->c_iflag & PARMRK) + || (t->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK)) + && !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) + && linesw[tp->t_line].l_rint == ttyinput) + tp->t_state |= TS_CAN_BYPASS_L_RINT; + else + tp->t_state &= ~TS_CAN_BYPASS_L_RINT; + return (linesw[tp->t_line].l_hotchar); +} |
