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 #else 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif 41 #endif /* not lint */ 42 43 #include <sys/types.h> 44 45 #include <err.h> 46 #include <errno.h> 47 #include <stdlib.h> 48 #include <stdio.h> 49 #include <string.h> 50 51 #include "stty.h" 52 #include "extern.h" 53 54 __BEGIN_DECLS 55 static int c_key(const void *, const void *); 56 void f_all(struct info *); 57 void f_cbreak(struct info *); 58 void f_columns(struct info *); 59 void f_dec(struct info *); 60 void f_ek(struct info *); 61 void f_everything(struct info *); 62 void f_extproc(struct info *); 63 void f_ispeed(struct info *); 64 void f_nl(struct info *); 65 void f_ospeed(struct info *); 66 void f_raw(struct info *); 67 void f_rows(struct info *); 68 void f_sane(struct info *); 69 void f_size(struct info *); 70 void f_speed(struct info *); 71 void f_tty(struct info *); 72 __END_DECLS 73 74 static struct key { 75 const char *name; /* name */ 76 void (*f)(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 { "ek", f_ek, 0 }, 88 { "everything", f_everything, 0 }, 89 { "extproc", f_extproc, F_OFFOK }, 90 { "ispeed", f_ispeed, F_NEEDARG }, 91 { "new", f_tty, 0 }, 92 { "nl", f_nl, F_OFFOK }, 93 { "old", f_tty, 0 }, 94 { "ospeed", f_ospeed, F_NEEDARG }, 95 { "raw", f_raw, F_OFFOK }, 96 { "rows", f_rows, F_NEEDARG }, 97 { "sane", f_sane, 0 }, 98 { "size", f_size, 0 }, 99 { "speed", f_speed, 0 }, 100 { "tty", f_tty, 0 }, 101 }; 102 103 static int 104 c_key(const void *a, const void *b) 105 { 106 107 return (strcmp(((const struct key *)a)->name, ((const struct key *)b)->name)); 108 } 109 110 int 111 ksearch(char ***argvp, struct info *ip) 112 { 113 char *name; 114 struct key *kp, tmp; 115 116 name = **argvp; 117 if (*name == '-') { 118 ip->off = 1; 119 ++name; 120 } else 121 ip->off = 0; 122 123 tmp.name = name; 124 if (!(kp = (struct key *)bsearch(&tmp, keys, 125 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) 126 return (0); 127 if (!(kp->flags & F_OFFOK) && ip->off) { 128 warnx("illegal option -- -%s", name); 129 usage(); 130 } 131 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { 132 warnx("option requires an argument -- %s", name); 133 usage(); 134 } 135 kp->f(ip); 136 return (1); 137 } 138 139 void 140 f_all(struct info *ip) 141 { 142 print(&ip->t, &ip->win, ip->ldisc, BSD); 143 } 144 145 void 146 f_cbreak(struct info *ip) 147 { 148 149 if (ip->off) 150 f_sane(ip); 151 else { 152 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; 153 ip->t.c_oflag |= OPOST; 154 ip->t.c_lflag |= ISIG|IEXTEN; 155 ip->t.c_lflag &= ~ICANON; 156 ip->set = 1; 157 } 158 } 159 160 void 161 f_columns(struct info *ip) 162 { 163 164 ip->win.ws_col = atoi(ip->arg); 165 ip->wset = 1; 166 } 167 168 void 169 f_dec(struct info *ip) 170 { 171 172 ip->t.c_cc[VERASE] = (u_char)0177; 173 ip->t.c_cc[VKILL] = CTRL('u'); 174 ip->t.c_cc[VINTR] = CTRL('c'); 175 ip->t.c_lflag &= ~ECHOPRT; 176 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; 177 ip->t.c_iflag &= ~IXANY; 178 ip->set = 1; 179 } 180 181 void 182 f_ek(struct info *ip) 183 { 184 185 ip->t.c_cc[VERASE] = CERASE; 186 ip->t.c_cc[VKILL] = CKILL; 187 ip->set = 1; 188 } 189 190 void 191 f_everything(struct info *ip) 192 { 193 194 print(&ip->t, &ip->win, ip->ldisc, BSD); 195 } 196 197 void 198 f_extproc(struct info *ip) 199 { 200 201 if (ip->off) { 202 int tmp = 0; 203 (void)ioctl(ip->fd, TIOCEXT, &tmp); 204 } else { 205 int tmp = 1; 206 (void)ioctl(ip->fd, TIOCEXT, &tmp); 207 } 208 } 209 210 void 211 f_ispeed(struct info *ip) 212 { 213 214 cfsetispeed(&ip->t, (speed_t)atoi(ip->arg)); 215 ip->set = 1; 216 } 217 218 void 219 f_nl(struct info *ip) 220 { 221 222 if (ip->off) { 223 ip->t.c_iflag |= ICRNL; 224 ip->t.c_oflag |= ONLCR; 225 } else { 226 ip->t.c_iflag &= ~ICRNL; 227 ip->t.c_oflag &= ~ONLCR; 228 } 229 ip->set = 1; 230 } 231 232 void 233 f_ospeed(struct info *ip) 234 { 235 236 cfsetospeed(&ip->t, (speed_t)atoi(ip->arg)); 237 ip->set = 1; 238 } 239 240 void 241 f_raw(struct info *ip) 242 { 243 244 if (ip->off) 245 f_sane(ip); 246 else { 247 cfmakeraw(&ip->t); 248 ip->t.c_cflag &= ~(CSIZE|PARENB); 249 ip->t.c_cflag |= CS8; 250 ip->set = 1; 251 } 252 } 253 254 void 255 f_rows(struct info *ip) 256 { 257 258 ip->win.ws_row = atoi(ip->arg); 259 ip->wset = 1; 260 } 261 262 void 263 f_sane(struct info *ip) 264 { 265 266 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & CLOCAL); 267 ip->t.c_iflag = TTYDEF_IFLAG; 268 ip->t.c_iflag |= ICRNL; 269 /* preserve user-preference flags in lflag */ 270 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) 271 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); 272 ip->t.c_oflag = TTYDEF_OFLAG; 273 ip->set = 1; 274 } 275 276 void 277 f_size(struct info *ip) 278 { 279 280 (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); 281 } 282 283 void 284 f_speed(struct info *ip) 285 { 286 287 (void)printf("%lu\n", (u_long)cfgetospeed(&ip->t)); 288 } 289 290 void 291 f_tty(struct info *ip) 292 { 293 int tmp; 294 295 tmp = TTYDISC; 296 if (ioctl(ip->fd, TIOCSETD, &tmp) < 0) 297 err(1, "TIOCSETD"); 298 } 299