key.c revision 1.16
1 /* $NetBSD: key.c,v 1.16 1999/03/02 17:27:03 christos 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 1.16 1999/03/02 17:27:03 christos 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_ostart __P((struct info *)); 72 void f_ostop __P((struct info *)); 73 void f_tty __P((struct info *)); 74 __END_DECLS 75 76 static const struct key { 77 const char *name; /* name */ 78 void (*f) __P((struct info *)); /* function */ 79 #define F_NEEDARG 0x01 /* needs an argument */ 80 #define F_OFFOK 0x02 /* can turn off */ 81 int flags; 82 } keys[] = { 83 { "all", f_all, 0 }, 84 { "cbreak", f_cbreak, F_OFFOK }, 85 { "cols", f_columns, F_NEEDARG }, 86 { "columns", f_columns, F_NEEDARG }, 87 { "cooked", f_sane, 0 }, 88 { "dec", f_dec, 0 }, 89 { "everything", f_everything, 0 }, 90 { "extproc", f_extproc, F_OFFOK }, 91 { "ispeed", f_ispeed, F_NEEDARG }, 92 { "new", f_tty, 0 }, 93 { "nl", f_nl, F_OFFOK }, 94 { "old", f_tty, 0 }, 95 { "ospeed", f_ospeed, F_NEEDARG }, 96 { "ostart", f_ostart, 0 }, 97 { "ostop", f_ostop, 0 }, 98 { "raw", f_raw, F_OFFOK }, 99 { "rows", f_rows, F_NEEDARG }, 100 { "sane", f_sane, 0 }, 101 { "size", f_size, 0 }, 102 { "speed", f_speed, 0 }, 103 { "tty", f_tty, 0 }, 104 }; 105 106 static int c_key __P((const void *, const void *)); 107 108 static int 109 c_key(a, b) 110 const void *a, *b; 111 { 112 113 return (strcmp(((const struct key *)a)->name, 114 ((const struct key *)b)->name)); 115 } 116 117 int 118 ksearch(argvp, ip) 119 char ***argvp; 120 struct info *ip; 121 { 122 char *name; 123 struct key *kp, tmp; 124 125 name = **argvp; 126 if (*name == '-') { 127 ip->off = 1; 128 ++name; 129 } else 130 ip->off = 0; 131 132 tmp.name = name; 133 if (!(kp = (struct key *)bsearch(&tmp, keys, 134 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) 135 return (0); 136 if (!(kp->flags & F_OFFOK) && ip->off) { 137 warnx("illegal option -- %s", name); 138 usage(); 139 } 140 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { 141 warnx("option requires an argument -- %s", name); 142 usage(); 143 } 144 kp->f(ip); 145 return (1); 146 } 147 148 void 149 f_all(ip) 150 struct info *ip; 151 { 152 print(&ip->t, &ip->win, ip->ldisc, BSD); 153 } 154 155 void 156 f_cbreak(ip) 157 struct info *ip; 158 { 159 160 if (ip->off) 161 f_sane(ip); 162 else { 163 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; 164 ip->t.c_oflag |= OPOST; 165 ip->t.c_lflag |= ISIG|IEXTEN; 166 ip->t.c_lflag &= ~ICANON; 167 ip->set = 1; 168 } 169 } 170 171 void 172 f_columns(ip) 173 struct info *ip; 174 { 175 176 ip->win.ws_col = atoi(ip->arg); 177 ip->wset = 1; 178 } 179 180 void 181 f_dec(ip) 182 struct info *ip; 183 { 184 185 ip->t.c_cc[VERASE] = (u_char)0177; 186 ip->t.c_cc[VKILL] = CTRL('u'); 187 ip->t.c_cc[VINTR] = CTRL('c'); 188 ip->t.c_lflag &= ~ECHOPRT; 189 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; 190 ip->t.c_iflag &= ~IXANY; 191 ip->set = 1; 192 } 193 194 void 195 f_everything(ip) 196 struct info *ip; 197 { 198 199 print(&ip->t, &ip->win, ip->ldisc, BSD); 200 } 201 202 void 203 f_extproc(ip) 204 struct info *ip; 205 { 206 #ifdef TIOCEXT 207 if (ip->off) { 208 int tmp = 0; 209 (void)ioctl(ip->fd, TIOCEXT, &tmp); 210 } else { 211 int tmp = 1; 212 (void)ioctl(ip->fd, TIOCEXT, &tmp); 213 } 214 ip->set = 1; 215 #endif 216 } 217 218 void 219 f_ispeed(ip) 220 struct info *ip; 221 { 222 223 cfsetispeed(&ip->t, atoi(ip->arg)); 224 ip->set = 1; 225 } 226 227 void 228 f_nl(ip) 229 struct info *ip; 230 { 231 232 if (ip->off) { 233 ip->t.c_iflag |= ICRNL; 234 ip->t.c_oflag |= ONLCR; 235 } else { 236 ip->t.c_iflag &= ~ICRNL; 237 ip->t.c_oflag &= ~ONLCR; 238 } 239 ip->set = 1; 240 } 241 242 void 243 f_ospeed(ip) 244 struct info *ip; 245 { 246 247 cfsetospeed(&ip->t, atoi(ip->arg)); 248 ip->set = 1; 249 } 250 251 void 252 f_raw(ip) 253 struct info *ip; 254 { 255 256 if (ip->off) 257 f_sane(ip); 258 else { 259 cfmakeraw(&ip->t); 260 ip->t.c_cflag &= ~(CSIZE|PARENB); 261 ip->t.c_cflag |= CS8; 262 ip->set = 1; 263 } 264 } 265 266 void 267 f_rows(ip) 268 struct info *ip; 269 { 270 271 ip->win.ws_row = atoi(ip->arg); 272 ip->wset = 1; 273 } 274 275 void 276 f_sane(ip) 277 struct info *ip; 278 { 279 280 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & (CLOCAL|CRTSCTS|CDTRCTS)); 281 ip->t.c_iflag = TTYDEF_IFLAG; 282 ip->t.c_iflag |= ICRNL; 283 /* preserve user-preference flags in lflag */ 284 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) 285 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); 286 ip->t.c_oflag = TTYDEF_OFLAG; 287 ip->set = 1; 288 } 289 290 void 291 f_size(ip) 292 struct info *ip; 293 { 294 295 (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); 296 } 297 298 void 299 f_speed(ip) 300 struct info *ip; 301 { 302 303 (void)printf("%d\n", cfgetospeed(&ip->t)); 304 } 305 306 /* ARGSUSED */ 307 void 308 f_tty(ip) 309 struct info *ip; 310 { 311 #ifdef TTYDISC 312 int tmp; 313 314 tmp = TTYDISC; 315 if (ioctl(0, TIOCSETD, &tmp) < 0) 316 err(1, "TIOCSETD"); 317 #endif 318 } 319 320 void 321 f_ostart(ip) 322 struct info *ip; 323 { 324 if (ioctl (0, TIOCSTART) < 0) 325 err(1, "TIOCSTART"); 326 } 327 328 void 329 f_ostop(ip) 330 struct info *ip; 331 { 332 if (ioctl (0, TIOCSTOP) < 0) 333 err(1, "TIOCSTOP"); 334 } 335
Indexes created Mon Sep 29 21:09:56 GMT 2025