diff options
author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-13 15:25:59 +0100 |
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committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-13 15:25:59 +0100 |
commit | 30beab1491f0b96b2f23d3fb68af01fd921a16d8 (patch) | |
tree | c580bdc0846269fbb10feeda901ecec1a48ee2ef /drivers/char/n_tty.c | |
parent | 21af6c4f2aa5f63138871b4ddd77d7ebf2588c9d (diff) | |
parent | c32511e2718618f0b53479eb36e07439aa363a74 (diff) |
Merge with /shiny/git/linux-2.6/.git
Diffstat (limited to 'drivers/char/n_tty.c')
-rw-r--r-- | drivers/char/n_tty.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index edba5a35bf2..09103b3d8f0 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -770,10 +770,8 @@ send_signal: } if (c == '\n') { if (L_ECHO(tty) || L_ECHONL(tty)) { - if (tty->read_cnt >= N_TTY_BUF_SIZE-1) { + if (tty->read_cnt >= N_TTY_BUF_SIZE-1) put_char('\a', tty); - return; - } opost('\n', tty); } goto handle_newline; @@ -790,10 +788,8 @@ send_signal: * XXX are EOL_CHAR and EOL2_CHAR echoed?!? */ if (L_ECHO(tty)) { - if (tty->read_cnt >= N_TTY_BUF_SIZE-1) { + if (tty->read_cnt >= N_TTY_BUF_SIZE-1) put_char('\a', tty); - return; - } /* Record the column of first canon char. */ if (tty->canon_head == tty->read_head) tty->canon_column = tty->column; @@ -862,12 +858,9 @@ static int n_tty_receive_room(struct tty_struct *tty) * that erase characters will be handled. Other excess * characters will be beeped. */ - if (tty->icanon && !tty->canon_data) - return N_TTY_BUF_SIZE; - - if (left > 0) - return left; - return 0; + if (left <= 0) + left = tty->icanon && !tty->canon_data; + return left; } /** @@ -1473,13 +1466,17 @@ static ssize_t write_chan(struct tty_struct * tty, struct file * file, if (tty->driver->flush_chars) tty->driver->flush_chars(tty); } else { - c = tty->driver->write(tty, b, nr); - if (c < 0) { - retval = c; - goto break_out; + while (nr > 0) { + c = tty->driver->write(tty, b, nr); + if (c < 0) { + retval = c; + goto break_out; + } + if (!c) + break; + b += c; + nr -= c; } - b += c; - nr -= c; } if (!nr) break; |