wsconscfg.c revision 1.15
1/* $OpenBSD: wsconscfg.c,v 1.15 2017/08/23 09:15:33 fcambus 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, WSMUX_REMOVE_DEVICE, &wmd); 129 if (res < 0) 130 err(3, "WSMUX_REMOVE_DEVICE"); 131 } else { 132 res = ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd); 133 if (res < 0) 134 err(3, "WSMUX_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