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Added a temporary work-around for the doubled shell prompt.

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Added some missing return values.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10309 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-11-30 19:16:31 +00:00
parent be505eacf5
commit f8df8bac3e
1 changed files with 17 additions and 5 deletions
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22
src/add-ons/kernel/drivers/tty/tty.cpp
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@ -1,7 +1,7 @@
/*
** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the Haiku License.
*/
/*
* Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*/
// This file could be moved into a generic tty module.
// The whole hardware signaling stuff is missing, though - it's currently
@ -294,6 +294,7 @@ reset_tty(struct tty *tty, int32 index)
status_t
tty_output_getc(struct tty *tty, int *_c)
{
return B_ERROR;
}
@ -386,6 +387,8 @@ tty_input_putc(struct tty *tty, int c)
// to write if there is still space left in the buffer
if (line_buffer_writable(tty->input_buffer))
release_sem_etc(tty->write_sem, 1, B_DO_NOT_RESCHEDULE);
return B_OK;
}
@ -439,13 +442,14 @@ err2:
mutex_destroy(&tty->lock);
err1:
uninit_line_buffer(tty->input_buffer);
return status;
}
status_t
tty_ioctl(struct tty *tty, uint32 op, void *buffer, size_t length)
{
TRACE(("tty_ioctl: tty %p, op %lu, buffer %p, length %lu\n", &tty, op, buffer, length));
TRACE(("tty_ioctl: tty %p, op %lu, buffer %p, length %lu\n", tty, op, buffer, length));
MutexLocker locker(&tty->lock);
switch (op) {
@ -589,6 +593,14 @@ tty_write_to_tty(struct tty *source, struct tty *target, const void *buffer, siz
if (c == '\n' && (source->termios.c_oflag & (OPOST | ONLCR)) == OPOST | ONLCR) {
// post-process output and transfrom '\n' to '\r\n'
#if 1
// ToDo: this doesn't fix the bug that is responsible for the doubled shell prompt
// and it's all wrong, too - but it cures the symptoms, and that's good enough
// for now :)
// Apparently, the shell reads only single bytes and handles both, '\r' and '\n'
// as a newline.
if (!sourceIsMaster)
#endif
tty_input_putc_locked(target, '\r');
if (echo)
tty_input_putc_locked(source, '\r');