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 36static char sccsid[] = "@(#)key.c 8.3 (Berkeley) 4/2/94"; 37#endif 38#endif /* not lint */ 39#include <sys/cdefs.h> 40__RCSID("$FreeBSD: src/bin/stty/key.c,v 1.17 2002/06/30 05:15:04 obrien Exp $"); 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 54static int c_key(const void *, const void *); 55void f_all(struct info *); 56void f_cbreak(struct info *); 57void f_columns(struct info *); 58void f_dec(struct info *); 59void f_ek(struct info *); 60void f_everything(struct info *); 61void f_extproc(struct info *); 62void f_ispeed(struct info *); 63void f_nl(struct info *); 64void f_ospeed(struct info *); 65void f_raw(struct info *); 66void f_rows(struct info *); 67void f_sane(struct info *); 68void f_size(struct info *); 69void f_speed(struct info *); 70void f_tty(struct info *); 71__END_DECLS 72 73static 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 102static int 103c_key(const void *a, const void *b) 104{ 105 106 return (strcmp(((const struct key *)a)->name, ((const struct key *)b)->name)); 107} 108 109int 110ksearch(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 138void 139f_all(struct info *ip) 140{ 141 print(&ip->t, &ip->win, ip->ldisc, BSD); 142} 143 144void 145f_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 159void 160f_columns(struct info *ip) 161{ 162 163 ip->win.ws_col = atoi(ip->arg); 164 ip->wset = 1; 165} 166 167void 168f_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 180void 181f_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 189void 190f_everything(struct info *ip) 191{ 192 193 print(&ip->t, &ip->win, ip->ldisc, BSD); 194} 195 196void 197f_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 209void 210f_ispeed(struct info *ip) 211{ 212 213 cfsetispeed(&ip->t, (speed_t)atoi(ip->arg)); 214 ip->set = 1; 215} 216 217void 218f_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 231void 232f_ospeed(struct info *ip) 233{ 234 235 cfsetospeed(&ip->t, (speed_t)atoi(ip->arg)); 236 ip->set = 1; 237} 238 239void 240f_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 253void 254f_rows(struct info *ip) 255{ 256 257 ip->win.ws_row = atoi(ip->arg); 258 ip->wset = 1; 259} 260 261void 262f_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 275void 276f_size(struct info *ip) 277{ 278 279 (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col); 280} 281 282void 283f_speed(struct info *ip) 284{ 285 286 (void)printf("%lu\n", (u_long)cfgetospeed(&ip->t)); 287} 288 289void 290f_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