xref: /freebsd/contrib/tcsh/tc.disc.c (revision 23338178da74e9862b8abd49eef83ee891027a1e)
123338178SMark Peek /* $Header: /src/pub/tcsh/tc.disc.c,v 3.15 2004/11/23 02:10:49 christos Exp $ */
2c80476e4SDavid E. O'Brien /*
3c80476e4SDavid E. O'Brien  * tc.disc.c: Functions to set/clear line disciplines
4c80476e4SDavid E. O'Brien  *
5c80476e4SDavid E. O'Brien  */
6c80476e4SDavid E. O'Brien /*-
7c80476e4SDavid E. O'Brien  * Copyright (c) 1980, 1991 The Regents of the University of California.
8c80476e4SDavid E. O'Brien  * All rights reserved.
9c80476e4SDavid E. O'Brien  *
10c80476e4SDavid E. O'Brien  * Redistribution and use in source and binary forms, with or without
11c80476e4SDavid E. O'Brien  * modification, are permitted provided that the following conditions
12c80476e4SDavid E. O'Brien  * are met:
13c80476e4SDavid E. O'Brien  * 1. Redistributions of source code must retain the above copyright
14c80476e4SDavid E. O'Brien  *    notice, this list of conditions and the following disclaimer.
15c80476e4SDavid E. O'Brien  * 2. Redistributions in binary form must reproduce the above copyright
16c80476e4SDavid E. O'Brien  *    notice, this list of conditions and the following disclaimer in the
17c80476e4SDavid E. O'Brien  *    documentation and/or other materials provided with the distribution.
1829301572SMark Peek  * 3. Neither the name of the University nor the names of its contributors
19c80476e4SDavid E. O'Brien  *    may be used to endorse or promote products derived from this software
20c80476e4SDavid E. O'Brien  *    without specific prior written permission.
21c80476e4SDavid E. O'Brien  *
22c80476e4SDavid E. O'Brien  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23c80476e4SDavid E. O'Brien  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24c80476e4SDavid E. O'Brien  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25c80476e4SDavid E. O'Brien  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26c80476e4SDavid E. O'Brien  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27c80476e4SDavid E. O'Brien  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28c80476e4SDavid E. O'Brien  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29c80476e4SDavid E. O'Brien  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30c80476e4SDavid E. O'Brien  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31c80476e4SDavid E. O'Brien  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32c80476e4SDavid E. O'Brien  * SUCH DAMAGE.
33c80476e4SDavid E. O'Brien  */
34c80476e4SDavid E. O'Brien #include "sh.h"
35c80476e4SDavid E. O'Brien 
3623338178SMark Peek RCSID("$Id: tc.disc.c,v 3.15 2004/11/23 02:10:49 christos Exp $")
37c80476e4SDavid E. O'Brien 
38c80476e4SDavid E. O'Brien #ifdef OREO
39c80476e4SDavid E. O'Brien #include <compat.h>
40c80476e4SDavid E. O'Brien #endif	/* OREO */
41c80476e4SDavid E. O'Brien 
4229301572SMark Peek #include "ed.h"
43c80476e4SDavid E. O'Brien 
4423338178SMark Peek static int add_discipline = 0;	/* Did we add a line discipline	 */
45c80476e4SDavid E. O'Brien 
46c80476e4SDavid E. O'Brien #if defined(IRIS4D) || defined(OREO) || defined(sonyrisc)
47c80476e4SDavid E. O'Brien # define HAVE_DISC
48c80476e4SDavid E. O'Brien # ifndef POSIX
49c80476e4SDavid E. O'Brien static struct termio otermiob;
50c80476e4SDavid E. O'Brien # else
51c80476e4SDavid E. O'Brien static struct termios otermiob;
52c80476e4SDavid E. O'Brien # endif /* POSIX */
53c80476e4SDavid E. O'Brien #endif	/* IRIS4D || OREO */
54c80476e4SDavid E. O'Brien 
55c80476e4SDavid E. O'Brien #ifdef _IBMR2
56c80476e4SDavid E. O'Brien # define HAVE_DISC
57c80476e4SDavid E. O'Brien char    strPOSIX[] = "posix";
58c80476e4SDavid E. O'Brien #endif	/* _IBMR2 */
59c80476e4SDavid E. O'Brien 
60c80476e4SDavid E. O'Brien #if !defined(HAVE_DISC) && defined(TIOCGETD) && defined(NTTYDISC)
61c80476e4SDavid E. O'Brien static int oldisc;
62c80476e4SDavid E. O'Brien #endif /* !HAVE_DISC && TIOCGETD && NTTYDISC */
63c80476e4SDavid E. O'Brien 
64c80476e4SDavid E. O'Brien int
65c80476e4SDavid E. O'Brien /*ARGSUSED*/
66c80476e4SDavid E. O'Brien setdisc(f)
67c80476e4SDavid E. O'Brien int     f;
68c80476e4SDavid E. O'Brien {
69c80476e4SDavid E. O'Brien #ifdef IRIS4D
70c80476e4SDavid E. O'Brien # ifndef POSIX
71c80476e4SDavid E. O'Brien     struct termio termiob;
72c80476e4SDavid E. O'Brien # else
73c80476e4SDavid E. O'Brien     struct termios termiob;
74c80476e4SDavid E. O'Brien # endif
75c80476e4SDavid E. O'Brien 
76c80476e4SDavid E. O'Brien     if (ioctl(f, TCGETA, (ioctl_t) & termiob) == 0) {
77c80476e4SDavid E. O'Brien 	otermiob = termiob;
78c80476e4SDavid E. O'Brien #if (SYSVREL < 4) || !defined(IRIS4D)
79c80476e4SDavid E. O'Brien 	if (termiob.c_line != NTTYDISC || termiob.c_cc[VSWTCH] == 0) { /*}*/
80c80476e4SDavid E. O'Brien 	    termiob.c_line = NTTYDISC;
81c80476e4SDavid E. O'Brien #else
82c80476e4SDavid E. O'Brien 	if (termiob.c_cc[VSWTCH] == 0) {
83c80476e4SDavid E. O'Brien #endif
84c80476e4SDavid E. O'Brien 	    termiob.c_cc[VSWTCH] = CSWTCH;
85c80476e4SDavid E. O'Brien 	    if (ioctl(f, TCSETA, (ioctl_t) & termiob) != 0)
86c80476e4SDavid E. O'Brien 		return (-1);
87c80476e4SDavid E. O'Brien 	}
88c80476e4SDavid E. O'Brien     }
89c80476e4SDavid E. O'Brien     else
90c80476e4SDavid E. O'Brien 	return (-1);
91c80476e4SDavid E. O'Brien     add_discipline = 1;
92c80476e4SDavid E. O'Brien     return (0);
93c80476e4SDavid E. O'Brien #endif /* IRIS4D */
94c80476e4SDavid E. O'Brien 
95c80476e4SDavid E. O'Brien 
96c80476e4SDavid E. O'Brien #ifdef OREO
97c80476e4SDavid E. O'Brien # ifndef POSIX
98c80476e4SDavid E. O'Brien     struct termio termiob;
99c80476e4SDavid E. O'Brien # else
100c80476e4SDavid E. O'Brien     struct termios termiob;
101c80476e4SDavid E. O'Brien # endif
102c80476e4SDavid E. O'Brien 
103c80476e4SDavid E. O'Brien     struct ltchars ltcbuf;
104c80476e4SDavid E. O'Brien 
105c80476e4SDavid E. O'Brien     if (ioctl(f, TCGETA, (ioctl_t) & termiob) == 0) {
106c80476e4SDavid E. O'Brien 	int comp = getcompat(COMPAT_BSDTTY);
107c80476e4SDavid E. O'Brien 	otermiob = termiob;
108c80476e4SDavid E. O'Brien 	if ((comp & COMPAT_BSDTTY) != COMPAT_BSDTTY) {
109c80476e4SDavid E. O'Brien 	    (void) setcompat(comp | COMPAT_BSDTTY);
110c80476e4SDavid E. O'Brien 	    if (ioctl(f, TIOCGLTC, (ioctl_t) & ltcbuf) != 0)
111c80476e4SDavid E. O'Brien 		xprintf(CGETS(21, 1, "Couldn't get local chars.\n"));
112c80476e4SDavid E. O'Brien 	    else {
113c80476e4SDavid E. O'Brien 		ltcbuf.t_suspc = CTL_ESC('\032');        /* ^Z */
114c80476e4SDavid E. O'Brien 		ltcbuf.t_dsuspc = CTL_ESC('\031');       /* ^Y */
115c80476e4SDavid E. O'Brien 		ltcbuf.t_rprntc = CTL_ESC('\022');       /* ^R */
116c80476e4SDavid E. O'Brien 		ltcbuf.t_flushc = CTL_ESC('\017');       /* ^O */
117c80476e4SDavid E. O'Brien 		ltcbuf.t_werasc = CTL_ESC('\027');       /* ^W */
118c80476e4SDavid E. O'Brien 		ltcbuf.t_lnextc = CTL_ESC('\026');       /* ^V */
119c80476e4SDavid E. O'Brien 		if (ioctl(f, TIOCSLTC, (ioctl_t) & ltcbuf) != 0)
120c80476e4SDavid E. O'Brien 		    xprintf(CGETS(21, 2, "Couldn't set local chars.\n"));
121c80476e4SDavid E. O'Brien 	    }
122c80476e4SDavid E. O'Brien 	    termiob.c_cc[VSWTCH] = '\0';
123c80476e4SDavid E. O'Brien 	    if (ioctl(f, TCSETAF, (ioctl_t) & termiob) != 0)
124c80476e4SDavid E. O'Brien 		return (-1);
125c80476e4SDavid E. O'Brien 	}
126c80476e4SDavid E. O'Brien     }
127c80476e4SDavid E. O'Brien     else
128c80476e4SDavid E. O'Brien 	return (-1);
129c80476e4SDavid E. O'Brien     add_discipline = 1;
130c80476e4SDavid E. O'Brien     return (0);
131c80476e4SDavid E. O'Brien #endif				/* OREO */
132c80476e4SDavid E. O'Brien 
133c80476e4SDavid E. O'Brien 
134c80476e4SDavid E. O'Brien #ifdef _IBMR2
135c80476e4SDavid E. O'Brien     union txname tx;
136c80476e4SDavid E. O'Brien 
137c80476e4SDavid E. O'Brien     tx.tx_which = 0;
138c80476e4SDavid E. O'Brien 
139c80476e4SDavid E. O'Brien     if (ioctl(f, TXGETLD, (ioctl_t) & tx) == 0) {
140c80476e4SDavid E. O'Brien 	if (strcmp(tx.tx_name, strPOSIX) != 0)
141c80476e4SDavid E. O'Brien 	    if (ioctl(f, TXADDCD, (ioctl_t) strPOSIX) == 0) {
142c80476e4SDavid E. O'Brien 		add_discipline = 1;
143c80476e4SDavid E. O'Brien 		return (0);
144c80476e4SDavid E. O'Brien 	    }
145c80476e4SDavid E. O'Brien 	return (0);
146c80476e4SDavid E. O'Brien     }
147c80476e4SDavid E. O'Brien     else
148c80476e4SDavid E. O'Brien 	return (-1);
149c80476e4SDavid E. O'Brien #endif	/* _IBMR2 */
150c80476e4SDavid E. O'Brien 
151c80476e4SDavid E. O'Brien #ifndef HAVE_DISC
152c80476e4SDavid E. O'Brien # if defined(TIOCGETD) && defined(NTTYDISC)
153c80476e4SDavid E. O'Brien     if (ioctl(f, TIOCGETD, (ioctl_t) & oldisc) == 0) {
154c80476e4SDavid E. O'Brien 	if (oldisc != NTTYDISC) {
155c80476e4SDavid E. O'Brien 	    int     ldisc = NTTYDISC;
156c80476e4SDavid E. O'Brien 
157c80476e4SDavid E. O'Brien 	    if (ioctl(f, TIOCSETD, (ioctl_t) & ldisc) != 0)
158c80476e4SDavid E. O'Brien 		return (-1);
159c80476e4SDavid E. O'Brien 	    add_discipline = 1;
160c80476e4SDavid E. O'Brien 	}
161c80476e4SDavid E. O'Brien 	else
162c80476e4SDavid E. O'Brien 	    oldisc = -1;
163c80476e4SDavid E. O'Brien 	return (0);
164c80476e4SDavid E. O'Brien     }
165c80476e4SDavid E. O'Brien     else
166c80476e4SDavid E. O'Brien 	return (-1);
167c80476e4SDavid E. O'Brien # else
16823338178SMark Peek     USE(f);
169c80476e4SDavid E. O'Brien     return (0);
170c80476e4SDavid E. O'Brien # endif	/* TIOCGETD && NTTYDISC */
171c80476e4SDavid E. O'Brien #endif	/* !HAVE_DISC */
172c80476e4SDavid E. O'Brien } /* end setdisc */
173c80476e4SDavid E. O'Brien 
174c80476e4SDavid E. O'Brien 
175c80476e4SDavid E. O'Brien int
176c80476e4SDavid E. O'Brien /*ARGSUSED*/
177c80476e4SDavid E. O'Brien resetdisc(f)
178c80476e4SDavid E. O'Brien int f;
179c80476e4SDavid E. O'Brien {
180c80476e4SDavid E. O'Brien     if (add_discipline) {
181c80476e4SDavid E. O'Brien 	add_discipline = 0;
182c80476e4SDavid E. O'Brien #if defined(OREO) || defined(IRIS4D)
183c80476e4SDavid E. O'Brien 	return (ioctl(f, TCSETAF, (ioctl_t) & otermiob));
184c80476e4SDavid E. O'Brien #endif /* OREO || IRIS4D */
185c80476e4SDavid E. O'Brien 
186c80476e4SDavid E. O'Brien #ifdef _IBMR2
187c80476e4SDavid E. O'Brien 	return (ioctl(f, TXDELCD, (ioctl_t) strPOSIX));
188c80476e4SDavid E. O'Brien #endif /* _IBMR2 */
189c80476e4SDavid E. O'Brien 
190c80476e4SDavid E. O'Brien #ifndef HAVE_DISC
191c80476e4SDavid E. O'Brien # if defined(TIOCSETD) && defined(NTTYDISC)
192c80476e4SDavid E. O'Brien 	return (ioctl(f, TIOCSETD, (ioctl_t) & oldisc));
193c80476e4SDavid E. O'Brien # endif /* TIOCSETD && NTTYDISC */
194c80476e4SDavid E. O'Brien #endif /* !HAVE_DISC */
195c80476e4SDavid E. O'Brien     }
19623338178SMark Peek     USE(f);
197c80476e4SDavid E. O'Brien     return (0);
198c80476e4SDavid E. O'Brien } /* end resetdisc */
199