terminal.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 1994-2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
*/
/*
* Copyright (c) 1988, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)terminal.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <errno.h>
#include "ring.h"
#include "externs.h"
#include "types.h"
int termdata; /* Debugging flag */
#ifdef USE_TERMIO
#else
#endif
/*
* initialize the terminal data structures.
*/
void
{
exit(1);
}
exit(1);
}
autoflush = 1;
}
/*
* Send as much data as possible to the terminal.
*
* Return value:
* -2: Error occurred other than EWOULDBLOCK; see
* 'errno' for specifics
* -1: No useful work done, although data was waiting.
* This may be due to EWOULDBLOCK error.
* 0: No data was waiting, so nothing was done.
* 1: All waiting data was written out.
* n: Part of data was written. 'n' is the number
* of bytes remaining which were not written.
*/
int
int drop;
{
if (drop) {
/* we leave 'n' alone! */
} else {
return (-2);
}
}
if (n > 0) {
if (termdata && n) {
}
/*
* If we wrote everything, and the full count is
* larger than what we wrote, then write the
* rest of the buffer.
*/
if (!drop) {
if (n1 == -1) {
if (errno != EWOULDBLOCK)
return (-2);
n1 = 0;
}
}
n += n1;
}
ring_consumed(&ttyoring, n);
}
if (n < 0)
return (-1);
if (n == n0) {
if (n0)
return (-1);
return (0);
}
return (n0 - n + 1);
}
/*
* These routines decides on what the mode should be (based on the values
* of various global variables).
*/
int
{
extern int linemode;
int mode = 0;
#ifdef KLUDGELINEMODE
extern int kludgelinemode;
#endif
if (localflow)
mode |= MODE_INBIN;
mode |= MODE_OUTBIN;
#ifdef KLUDGELINEMODE
if (kludgelinemode) {
if (my_want_state_is_dont(TELOPT_SGA)) {
if (dontlecho &&
}
}
return (mode);
}
#endif
return (mode);
}
void
int force;
{
static int enc_passwd = 0;
register int newmode;
if (my_want_state_is_will(TELOPT_ENCRYPT) &&
(enc_passwd == 0) && !encrypt_output) {
encrypt_request_start(0, 0);
enc_passwd = 1;
}
} else {
if (enc_passwd) {
enc_passwd = 0;
}
}
}
void
{
TerminalNewMode(-1);
}