wsconscfg.c revision 1.16 
1/* $OpenBSD: wsconscfg.c,v 1.16 2017/10/31 17:59:30 anton Exp $ */
2/* $NetBSD: wsconscfg.c,v 1.4 1999/07/29 18:24:10 augustss Exp $ */
3
4/*
5 * Copyright (c) 1999
6 *	Matthias Drochner.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#include <sys/types.h>
31#include <sys/time.h>
32#include <sys/ioctl.h>
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <fcntl.h>
38#include <unistd.h>
39#include <err.h>
40#include <errno.h>
41
42#include <dev/wscons/wsconsio.h>
43
44#define DEFDEV "/dev/ttyCcfg"
45
46static void usage(void);
47int main(int, char**);
48
49static void
50usage(void)
51{
52	extern char *__progname;
53
54	(void)fprintf(stderr,
55	    "usage: %s [-dFkm] [-e emul] [-f ctldev] [-t type] index\n",
56	    __progname);
57	exit(1);
58}
59
60int
61main(int argc, char *argv[])
62{
63	char *wsdev;
64	int c, delete, kbd, idx, wsfd, res, mux;
65	struct wsdisplay_addscreendata asd;
66	struct wsdisplay_delscreendata dsd;
67	struct wsmux_device wmd;
68
69	wsdev = DEFDEV;
70	delete = 0;
71	kbd = 0;
72	mux = 0;
73	asd.screentype[0] = 0;
74	asd.emul[0] = 0;
75	dsd.flags = 0;
76
77	while ((c = getopt(argc, argv, "f:dkmt:e:F")) != -1) {
78		switch (c) {
79		case 'f':
80			wsdev = optarg;
81			break;
82		case 'd':
83			delete = 1;
84			break;
85		case 'k':
86			kbd = 1;
87			break;
88		case 'm':
89			mux = 1;
90			kbd = 1;
91			break;
92		case 't':
93			strlcpy(asd.screentype, optarg, WSSCREEN_NAME_SIZE);
94			break;
95		case 'e':
96			strlcpy(asd.emul, optarg, WSEMUL_NAME_SIZE);
97			break;
98		case 'F':
99			dsd.flags |= WSDISPLAY_DELSCR_FORCE;
100			break;
101		case '?':
102		default:
103			usage();
104			break;
105		}
106	}
107	argc -= optind;
108	argv += optind;
109
110	if (kbd ? (argc > 1) : (argc != 1))
111		usage();
112
113	idx = -1;
114	if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1)
115		errx(1, "invalid index");
116
117	wsfd = open(wsdev, O_RDWR, 0);
118	if (wsfd < 0)
119		err(2, "%s", wsdev);
120
121	if (kbd) {
122		if (mux)
123			wmd.type = WSMUX_MUX;
124		else
125			wmd.type = WSMUX_KBD;
126		wmd.idx = idx;
127		if (delete) {
128			res = ioctl(wsfd, WSMUXIO_REMOVE_DEVICE, &wmd);
129			if (res < 0)
130				err(3, "WSMUXIO_REMOVE_DEVICE");
131		} else {
132			res = ioctl(wsfd, WSMUXIO_ADD_DEVICE, &wmd);
133			if (res < 0)
134				err(3, "WSMUXIO_ADD_DEVICE");
135		}
136	} else if (delete) {
137		dsd.idx = idx;
138		res = ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd);
139		if (res < 0)
140			err(3, "WSDISPLAYIO_DELSCREEN");
141	} else {
142		asd.idx = idx;
143		res = ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd);
144		if (res < 0) {
145			if (errno == EBUSY)
146				errx(3, "screen %d is already configured", idx);
147			else
148				err(3, "WSDISPLAYIO_ADDSCREEN");
149		}
150	}
151
152	return (0);
153}
154