1 /*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)key.c 8.3 (Berkeley) 4/2/94"; 37 #endif 38 #endif /* not lint */ 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <sys/types.h> 43 44 #include <err.h> 45 #include <errno.h> 46 #include <stdlib.h> 47 #include <stdio.h> 48 #include <string.h> 49 50 #include "stty.h" 51 #include "extern.h" 52 53 __BEGIN_DECLS 54 static int c_key(const void *, const void *); 55 void f_all(struct info *); 56 void f_cbreak(struct info *); 57 void f_columns(struct info *); 58 void f_dec(struct info *); 59 void f_ek(struct info *); 60 void f_everything(struct info *); 61 void f_extproc(struct info *); 62 void f_ispeed(struct info *); 63 void f_nl(struct info *); 64 void f_ospeed(struct info *); 65 void f_raw(struct info *); 66 void f_rows(struct info *); 67 void f_sane(struct info *); 68 void f_size(struct info *); 69 void f_speed(struct info *); 70 void f_tty(struct info *); 71 __END_DECLS 72 73 static struct key { 74 const char *name; /* name */ 75 void (*f)(struct info *); /* function */ 76 #define F_NEEDARG 0x01 /* needs an argument */ 77 #define F_OFFOK 0x02 /* can turn off */ 78 int flags; 79 } keys[] = { 80 { "all", f_all, 0 }, 81 { "cbreak", f_cbreak, F_OFFOK }, 82 { "cols", f_columns, F_NEEDARG }, 83 { "columns", f_columns, F_NEEDARG }, 84 { "cooked", f_sane, 0 }, 85 { "dec", f_dec, 0 }, 86 { "ek", f_ek, 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 103 c_key(const void *a, const void *b) 104 { 105 106 return (strcmp(((const struct key *)a)->name, ((const struct key *)b)->name)); 107 } 108 109 int 110 ksearch(char ***argvp, struct info *ip) 111 { 112 char *name; 113 struct key *kp, tmp; 114 115 name = **argvp; 116 if (*name == '-') { 117 ip->off = 1; 118 ++name; 119 } else 120 ip->off = 0; 121 122 tmp.name = name; 123 if (!(kp = (struct key *)bsearch(&tmp, keys, 124 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) 125 return (0); 126 if (!(kp->flags & F_OFFOK) && ip->off) { 127 warnx("illegal option -- -%s", name); 128 usage(); 129 } 130 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { 131 warnx("option requires an argument -- %s", name); 132 usage(); 133 } 134 kp->f(ip); 135 return (1); 136 } 137 138 void 139 f_all(struct info *ip) 140 { 141 print(&ip->t, &ip->win, ip->ldisc, BSD); 142 } 143 144 void 145 f_cbreak(struct info *ip) 146 { 147 148 if (ip->off) 149 f_sane(ip); 150 else { 151 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; 152 ip->t.c_oflag |= OPOST; 153 ip->t.c_lflag |= ISIG|IEXTEN; 154 ip->t.c_lflag &= ~ICANON; 155 ip->set = 1; 156 } 157 } 158 159 void 160 f_columns(struct info *ip) 161 { 162 163 ip->win.ws_col = atoi(ip->arg); 164 ip->wset = 1; 165 } 166 167 void 168 f_dec(struct info *ip) 169 { 170 171 ip->t.c_cc[VERASE] = (u_char)0177; 172 ip->t.c_cc[VKILL] = CTRL('u'); 173 ip->t.c_cc[VINTR] = CTRL('c'); 174 ip->t.c_lflag &= ~ECHOPRT; 175 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; 176 ip->t.c_iflag &= ~IXANY; 177 ip->set = 1; 178 } 179 180 void 181 f_ek(struct info *ip) 182 { 183 184 ip->t.c_cc[VERASE] = CERASE; 185 ip->t.c_cc[VKILL] = CKILL; 186 ip->set = 1; 187 } 188 189 void 190 f_everything(struct info *ip) 191 { 192 193 print(&ip->t, &ip->win, ip->ldisc, BSD); 194 } 195 196 void 197 f_extproc(struct info *ip) 198 { 199 200 if (ip->off) { 201 int tmp = 0; 202 (void)ioctl(ip->fd, TIOCEXT, &tmp); 203 } else { 204 int tmp = 1; 205 (void)ioctl(ip->fd, TIOCEXT, &tmp); 206 } 207 } 208 209 void 210 f_ispeed(struct info *ip) 211 { 212 213 cfsetispeed(&ip->t, (speed_t)atoi(ip->arg)); 214 ip->set = 1; 215 } 216 217 void 218 f_nl(struct info *ip) 219 { 220 221 if (ip->off) { 222 ip->t.c_iflag |= ICRNL; 223 ip->t.c_oflag |= ONLCR; 224 } else { 225 ip->t.c_iflag &= ~ICRNL; 226 ip->t.c_oflag &= ~ONLCR; 227 } 228 ip->set = 1; 229 } 230 231 void 232 f_ospeed(struct info *ip) 233 { 234 235 cfsetospeed(&ip->t, (speed_t)atoi(ip->arg)); 236 ip->set = 1; 237 } 238 239 void 240 f_raw(struct info *ip) 241 { 242 243 if (ip->off) 244 f_sane(ip); 245 else { 246 cfmakeraw(&ip->t); 247 ip->t.c_cflag &= ~(CSIZE|PARENB); 248 ip->t.c_cflag |= CS8; 249 ip->set = 1; 250 } 251 } 252 253 void 254 f_rows(struct info *ip) 255 { 256 257 ip->win.ws_row = atoi(ip->arg); 258 ip->wset = 1; 259 } 260 261 void 262 f_sane(struct info *ip) 263 { 264 265 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & CLOCAL); 266 ip->t.c_iflag = TTYDEF_IFLAG; 267 ip->t.c_iflag |= ICRNL; 268 /* preserve user-preference flags in lflag */ 269 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) 270 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); 271 ip->t.c_oflag = TTYDEF_OFLAG; 272 ip->set = 1; 273 } 274 275 void 276 f_size(struct info *ip) 277 { 278 279 (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); 280 } 281 282 void 283 f_speed(struct info *ip) 284 { 285 286 (void)printf("%lu\n", (u_long)cfgetospeed(&ip->t)); 287 } 288 289 void 290 f_tty(struct info *ip) 291 { 292 int tmp; 293 294 tmp = TTYDISC; 295 if (ioctl(ip->fd, TIOCSETD, &tmp) < 0) 296 err(1, "TIOCSETD"); 297 } 298