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wsconscfg.c revision 1.5
      1 /* $NetBSD: wsconscfg.c,v 1.5 1999/11/10 16:34:58 drochner Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1999
      5  *	Matthias Drochner.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 #include <stdio.h>
     36 #include <fcntl.h>
     37 #include <unistd.h>
     38 #include <sys/types.h>
     39 #include <sys/ioctl.h>
     40 #include <err.h>
     41 #include <errno.h>
     42 
     43 #include <dev/wscons/wsconsio.h>
     44 
     45 #define DEFDEV "/dev/ttyEcfg"
     46 
     47 static void usage __P((void));
     48 int main __P((int, char**));
     49 
     50 static void
     51 usage()
     52 {
     53 	extern char *__progname;
     54 
     55 	(void)fprintf(stderr,
     56 		      "Usage: %s [-f wsdev] [-d [-F]] [-k] [-m] [-t type]"
     57 		      "[-e emul] {vt | [kbd] | [mux]}\n", __progname);
     58 	exit(1);
     59 }
     60 
     61 int
     62 main(argc, argv)
     63 	int argc;
     64 	char **argv;
     65 {
     66 	char *wsdev;
     67 	int c, delete, kbd, idx, wsfd, res, mux;
     68 	struct wsdisplay_addscreendata asd;
     69 	struct wsdisplay_delscreendata dsd;
     70 	struct wsmux_device wmd;
     71 
     72 	wsdev = DEFDEV;
     73 	delete = 0;
     74 	kbd = 0;
     75 	mux = 0;
     76 	asd.screentype = 0;
     77 	asd.emul = 0;
     78 	dsd.flags = 0;
     79 
     80 	while ((c = getopt(argc, argv, "f:dkmt:e:F")) != -1) {
     81 		switch (c) {
     82 		case 'f':
     83 			wsdev = optarg;
     84 			break;
     85 		case 'd':
     86 			delete++;
     87 			break;
     88 		case 'k':
     89 			kbd++;
     90 			break;
     91 		case 'm':
     92 			mux++;
     93 			kbd++;
     94 			break;
     95 		case 't':
     96 			asd.screentype = optarg;
     97 			break;
     98 		case 'e':
     99 			asd.emul = optarg;
    100 			break;
    101 		case 'F':
    102 			dsd.flags |= WSDISPLAY_DELSCR_FORCE;
    103 			break;
    104 		case '?':
    105 		default:
    106 			usage();
    107 			break;
    108 		}
    109 	}
    110 	argc -= optind;
    111 	argv += optind;
    112 
    113 	if (kbd ? (argc > 1) : (argc != 1))
    114 		usage();
    115 
    116 	idx = -1;
    117 	if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1)
    118 		errx(1, "invalid index");
    119 
    120 	wsfd = open(wsdev, O_RDWR, 0);
    121 	if (wsfd < 0)
    122 		err(2, wsdev);
    123 
    124 	if (kbd) {
    125 		if (mux)
    126 			wmd.type = WSMUX_MUX;
    127 		else
    128 			wmd.type = WSMUX_KBD;
    129 		wmd.idx = idx;
    130 		if (delete) {
    131 			res = ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd);
    132 			if (res < 0)
    133 				err(3, "WSMUX_REMOVE_DEVICE");
    134 		} else {
    135 			res = ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd);
    136 			if (res < 0)
    137 				err(3, "WSMUX_ADD_DEVICE");
    138 		}
    139 	} else if (delete) {
    140 		dsd.idx = idx;
    141 		res = ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd);
    142 		if (res < 0)
    143 			err(3, "WSDISPLAYIO_DELSCREEN");
    144 	} else {
    145 		asd.idx = idx;
    146 		res = ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd);
    147 		if (res < 0) {
    148 			if (errno == EBUSY)
    149 				errx(3, "screen %d is already configured", idx);
    150 			else
    151 				err(3, "WSDISPLAYIO_ADDSCREEN");
    152 		}
    153 	}
    154 
    155 	return (0);
    156 }
    157