key.c revision 1.14
1 /* $NetBSD: key.c,v 1.14 1998/07/28 11:40:58 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. 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 by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)key.c 8.4 (Berkeley) 2/20/95"; 40 #else 41 __RCSID("$NetBSD: key.c,v 1.14 1998/07/28 11:40:58 mycroft Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 47 #include <err.h> 48 #include <errno.h> 49 #include <stdlib.h> 50 #include <stdio.h> 51 #include <string.h> 52 53 #include "stty.h" 54 #include "extern.h" 55 56 __BEGIN_DECLS 57 void f_all __P((struct info *)); 58 void f_cbreak __P((struct info *)); 59 void f_columns __P((struct info *)); 60 void f_dec __P((struct info *)); 61 void f_everything __P((struct info *)); 62 void f_extproc __P((struct info *)); 63 void f_ispeed __P((struct info *)); 64 void f_nl __P((struct info *)); 65 void f_ospeed __P((struct info *)); 66 void f_raw __P((struct info *)); 67 void f_rows __P((struct info *)); 68 void f_sane __P((struct info *)); 69 void f_size __P((struct info *)); 70 void f_speed __P((struct info *)); 71 void f_tty __P((struct info *)); 72 __END_DECLS 73 74 static const struct key { 75 const char *name; /* name */ 76 void (*f) __P((struct info *)); /* function */ 77 #define F_NEEDARG 0x01 /* needs an argument */ 78 #define F_OFFOK 0x02 /* can turn off */ 79 int flags; 80 } keys[] = { 81 { "all", f_all, 0 }, 82 { "cbreak", f_cbreak, F_OFFOK }, 83 { "cols", f_columns, F_NEEDARG }, 84 { "columns", f_columns, F_NEEDARG }, 85 { "cooked", f_sane, 0 }, 86 { "dec", f_dec, 0 }, 87 { "everything", f_everything, 0 }, 88 { "extproc", f_extproc, F_OFFOK }, 89 { "ispeed", f_ispeed, F_NEEDARG }, 90 { "new", f_tty, 0 }, 91 { "nl", f_nl, F_OFFOK }, 92 { "old", f_tty, 0 }, 93 { "ospeed", f_ospeed, F_NEEDARG }, 94 { "raw", f_raw, F_OFFOK }, 95 { "rows", f_rows, F_NEEDARG }, 96 { "sane", f_sane, 0 }, 97 { "size", f_size, 0 }, 98 { "speed", f_speed, 0 }, 99 { "tty", f_tty, 0 }, 100 }; 101 102 static int c_key __P((const void *, const void *)); 103 104 static int 105 c_key(a, b) 106 const void *a, *b; 107 { 108 109 return (strcmp(((const struct key *)a)->name, 110 ((const struct key *)b)->name)); 111 } 112 113 int 114 ksearch(argvp, ip) 115 char ***argvp; 116 struct info *ip; 117 { 118 char *name; 119 struct key *kp, tmp; 120 121 name = **argvp; 122 if (*name == '-') { 123 ip->off = 1; 124 ++name; 125 } else 126 ip->off = 0; 127 128 tmp.name = name; 129 if (!(kp = (struct key *)bsearch(&tmp, keys, 130 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) 131 return (0); 132 if (!(kp->flags & F_OFFOK) && ip->off) { 133 warnx("illegal option -- %s", name); 134 usage(); 135 } 136 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { 137 warnx("option requires an argument -- %s", name); 138 usage(); 139 } 140 kp->f(ip); 141 return (1); 142 } 143 144 void 145 f_all(ip) 146 struct info *ip; 147 { 148 print(&ip->t, &ip->win, ip->ldisc, BSD); 149 } 150 151 void 152 f_cbreak(ip) 153 struct info *ip; 154 { 155 156 if (ip->off) 157 f_sane(ip); 158 else { 159 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; 160 ip->t.c_oflag |= OPOST; 161 ip->t.c_lflag |= ISIG|IEXTEN; 162 ip->t.c_lflag &= ~ICANON; 163 ip->set = 1; 164 } 165 } 166 167 void 168 f_columns(ip) 169 struct info *ip; 170 { 171 172 ip->win.ws_col = atoi(ip->arg); 173 ip->wset = 1; 174 } 175 176 void 177 f_dec(ip) 178 struct info *ip; 179 { 180 181 ip->t.c_cc[VERASE] = (u_char)0177; 182 ip->t.c_cc[VKILL] = CTRL('u'); 183 ip->t.c_cc[VINTR] = CTRL('c'); 184 ip->t.c_lflag &= ~ECHOPRT; 185 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; 186 ip->t.c_iflag &= ~IXANY; 187 ip->set = 1; 188 } 189 190 void 191 f_everything(ip) 192 struct info *ip; 193 { 194 195 print(&ip->t, &ip->win, ip->ldisc, BSD); 196 } 197 198 void 199 f_extproc(ip) 200 struct info *ip; 201 { 202 203 if (ip->off) { 204 int tmp = 0; 205 (void)ioctl(ip->fd, TIOCEXT, &tmp); 206 } else { 207 int tmp = 1; 208 (void)ioctl(ip->fd, TIOCEXT, &tmp); 209 } 210 ip->set = 1; 211 } 212 213 void 214 f_ispeed(ip) 215 struct info *ip; 216 { 217 218 cfsetispeed(&ip->t, atoi(ip->arg)); 219 ip->set = 1; 220 } 221 222 void 223 f_nl(ip) 224 struct info *ip; 225 { 226 227 if (ip->off) { 228 ip->t.c_iflag |= ICRNL; 229 ip->t.c_oflag |= ONLCR; 230 } else { 231 ip->t.c_iflag &= ~ICRNL; 232 ip->t.c_oflag &= ~ONLCR; 233 } 234 ip->set = 1; 235 } 236 237 void 238 f_ospeed(ip) 239 struct info *ip; 240 { 241 242 cfsetospeed(&ip->t, atoi(ip->arg)); 243 ip->set = 1; 244 } 245 246 void 247 f_raw(ip) 248 struct info *ip; 249 { 250 251 if (ip->off) 252 f_sane(ip); 253 else { 254 cfmakeraw(&ip->t); 255 ip->t.c_cflag &= ~(CSIZE|PARENB); 256 ip->t.c_cflag |= CS8; 257 ip->set = 1; 258 } 259 } 260 261 void 262 f_rows(ip) 263 struct info *ip; 264 { 265 266 ip->win.ws_row = atoi(ip->arg); 267 ip->wset = 1; 268 } 269 270 void 271 f_sane(ip) 272 struct info *ip; 273 { 274 275 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & (CLOCAL|CRTSCTS|CDTRCTS)); 276 ip->t.c_iflag = TTYDEF_IFLAG; 277 ip->t.c_iflag |= ICRNL; 278 /* preserve user-preference flags in lflag */ 279 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) 280 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); 281 ip->t.c_oflag = TTYDEF_OFLAG; 282 ip->set = 1; 283 } 284 285 void 286 f_size(ip) 287 struct info *ip; 288 { 289 290 (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); 291 } 292 293 void 294 f_speed(ip) 295 struct info *ip; 296 { 297 298 (void)printf("%d\n", cfgetospeed(&ip->t)); 299 } 300 301 /* ARGSUSED */ 302 void 303 f_tty(ip) 304 struct info *ip; 305 { 306 int tmp; 307 308 tmp = TTYDISC; 309 if (ioctl(0, TIOCSETD, &tmp) < 0) 310 err(1, "TIOCSETD"); 311 } 312
Indexes created Mon Sep 29 15:09:53 GMT 2025