1/*
2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "login_locl.h"
35
36RCSID("$Id: stty_default.c 7464 1999-12-02 17:05:13Z joda $");
37
38#include <termios.h>
39
40/* HP-UX 9.0 termios doesn't define these */
41#ifndef FLUSHO
42#define	FLUSHO	0
43#endif
44
45#ifndef XTABS
46#define	XTABS	0
47#endif
48
49#ifndef OXTABS
50#define OXTABS	XTABS
51#endif
52
53/* Ultrix... */
54#ifndef ECHOPRT
55#define ECHOPRT	0
56#endif
57
58#ifndef ECHOCTL
59#define ECHOCTL	0
60#endif
61
62#ifndef ECHOKE
63#define ECHOKE	0
64#endif
65
66#ifndef IMAXBEL
67#define IMAXBEL	0
68#endif
69
70#define Ctl(x) ((x) ^ 0100)
71
72void
73stty_default(void)
74{
75    struct	termios termios;
76
77    /*
78     * Finalize the terminal settings. Some systems default to 8 bits,
79     * others to 7, so we should leave that alone.
80     */
81    tcgetattr(0, &termios);
82
83    termios.c_iflag |= (BRKINT|IGNPAR|ICRNL|IXON|IMAXBEL);
84    termios.c_iflag &= ~IXANY;
85
86    termios.c_lflag |= (ISIG|IEXTEN|ICANON|ECHO|ECHOE|ECHOK|ECHOCTL|ECHOKE);
87    termios.c_lflag &= ~(ECHOPRT|TOSTOP|FLUSHO);
88
89    termios.c_oflag |= (OPOST|ONLCR);
90    termios.c_oflag &= ~OXTABS;
91
92    termios.c_cc[VINTR] = Ctl('C');
93    termios.c_cc[VERASE] = Ctl('H');
94    termios.c_cc[VKILL] = Ctl('U');
95    termios.c_cc[VEOF] = Ctl('D');
96
97    termios.c_cc[VSUSP] = Ctl('Z');
98
99    tcsetattr(0, TCSANOW, &termios);
100}
101