xref: /freebsd/sys/sys/ttydefaults.h (revision 29363fb4)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1982, 1986, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  * (c) UNIX System Laboratories, Inc.
7  * All or some portions of this file are derived from material licensed
8  * to the University of California by American Telephone and Telegraph
9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10  * the permission of UNIX System Laboratories, Inc.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 /*
38  * System wide defaults for terminal state.
39  */
40 #ifndef _SYS_TTYDEFAULTS_H_
41 #define	_SYS_TTYDEFAULTS_H_
42 
43 /*
44  * Defaults on "first" open.
45  */
46 #define	TTYDEF_IFLAG	(BRKINT	| ICRNL	| IMAXBEL | IXON | IXANY | IUTF8)
47 #define	TTYDEF_OFLAG	(OPOST | ONLCR)
48 #define	TTYDEF_LFLAG_NOECHO (ICANON | ISIG | IEXTEN)
49 #define	TTYDEF_LFLAG_ECHO (TTYDEF_LFLAG_NOECHO \
50 	| ECHO | ECHOE | ECHOKE | ECHOCTL)
51 #define	TTYDEF_LFLAG TTYDEF_LFLAG_ECHO
52 #define	TTYDEF_CFLAG	(CREAD | CS8 | HUPCL)
53 #define	TTYDEF_SPEED	(B9600)
54 
55 /*
56  * Control Character Defaults
57  */
58 /*
59  * XXX: A lot of code uses lowercase characters, but control-character
60  * conversion is actually only valid when applied to uppercase
61  * characters. We just treat lowercase characters as if they were
62  * inserted as uppercase.
63  */
64 #define	CTRL(x) ((x) >= 'a' && (x) <= 'z' ? \
65 	((x) - 'a' + 1) : (((x) - 'A' + 1) & 0x7f))
66 #define	CEOF		CTRL('D')
67 #define	CEOL		0xff		/* XXX avoid _POSIX_VDISABLE */
68 #define	CERASE		CTRL('?')
69 #define	CERASE2		CTRL('H')
70 #define	CINTR		CTRL('C')
71 #define	CSTATUS		CTRL('T')
72 #define	CKILL		CTRL('U')
73 #define	CMIN		1
74 #define	CQUIT		CTRL('\\')
75 #define	CSUSP		CTRL('Z')
76 #define	CTIME		0
77 #define	CDSUSP		CTRL('Y')
78 #define	CSTART		CTRL('Q')
79 #define	CSTOP		CTRL('S')
80 #define	CLNEXT		CTRL('V')
81 #define	CDISCARD	CTRL('O')
82 #define	CWERASE		CTRL('W')
83 #define	CREPRINT	CTRL('R')
84 #define	CEOT		CEOF
85 /* compat */
86 #define	CBRK		CEOL
87 #define	CRPRNT		CREPRINT
88 #define	CFLUSH		CDISCARD
89 
90 /* PROTECTED INCLUSION ENDS HERE */
91 #endif /* !_SYS_TTYDEFAULTS_H_ */
92 
93 /*
94  * #define TTYDEFCHARS to include an array of default control characters.
95  */
96 #ifdef TTYDEFCHARS
97 
98 #include <sys/cdefs.h>
99 #include <sys/_termios.h>
100 
101 static const cc_t ttydefchars[] = {
102 	CEOF, CEOL, CEOL, CERASE, CWERASE, CKILL, CREPRINT, CERASE2, CINTR,
103 	CQUIT, CSUSP, CDSUSP, CSTART, CSTOP, CLNEXT, CDISCARD, CMIN, CTIME,
104 	CSTATUS, _POSIX_VDISABLE
105 };
106 _Static_assert(sizeof(ttydefchars) / sizeof(cc_t) == NCCS,
107     "Size of ttydefchars does not match NCCS");
108 
109 #undef TTYDEFCHARS
110 #endif /* TTYDEFCHARS */
111