Fix two bugs related to TTY input:

- fix write() on pseudo-terminal masters to return the amount of bytes
  passed to the TTY, not the amount of bytes read from user.

- fix ttydisc_rint_bypass() to set the high watermark when it cannot
  write all input, just like ttydisc_rint() itself.

Approved by:	re (kib)

1 files changed, 2 insertions, 0 deletions

diff --git a/sys/kern/tty_ttydisc.c b/sys/kern/tty_ttydisc.c
index 634b58e..debaa1c 100644
--- a/sys/kern/tty_ttydisc.c
+++ b/sys/kern/tty_ttydisc.c
@@ -1060,6 +1060,8 @@ ttydisc_rint_bypass(struct tty *tp, const void *buf, size_t len)
 
 	ret = ttyinq_write(&tp->t_inq, buf, len, 0);
 	ttyinq_canonicalize(&tp->t_inq);
+	if (ret < len)
+		tty_hiwat_in_block(tp);
 
 	return (ret);
 }