2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)key.c 8.3 (Berkeley) 4/2/94
30 * $FreeBSD: src/bin/stty/key.c,v 1.11.2.2 2001/10/15 13:45:05 dd Exp $
31 * $DragonFly: src/bin/stty/key.c,v 1.5 2004/11/07 20:54:52 eirikn Exp $
34 #include <sys/types.h>
46 static int c_key (const void *, const void *);
47 void f_all (struct info *);
48 void f_cbreak (struct info *);
49 void f_columns (struct info *);
50 void f_dec (struct info *);
51 void f_ek (struct info *);
52 void f_everything (struct info *);
53 void f_extproc (struct info *);
54 void f_ispeed (struct info *);
55 void f_nl (struct info *);
56 void f_ospeed (struct info *);
57 void f_raw (struct info *);
58 void f_rows (struct info *);
59 void f_sane (struct info *);
60 void f_size (struct info *);
61 void f_speed (struct info *);
62 void f_tty (struct info *);
66 const char *name; /* name */
67 void (*f) (struct info *); /* function */
68 #define F_NEEDARG 0x01 /* needs an argument */
69 #define F_OFFOK 0x02 /* can turn off */
73 { "cbreak", f_cbreak, F_OFFOK },
74 { "cols", f_columns, F_NEEDARG },
75 { "columns", f_columns, F_NEEDARG },
76 { "cooked", f_sane, 0 },
79 { "everything", f_everything, 0 },
80 { "extproc", f_extproc, F_OFFOK },
81 { "ispeed", f_ispeed, F_NEEDARG },
83 { "nl", f_nl, F_OFFOK },
85 { "ospeed", f_ospeed, F_NEEDARG },
86 { "raw", f_raw, F_OFFOK },
87 { "rows", f_rows, F_NEEDARG },
88 { "sane", f_sane, 0 },
89 { "size", f_size, 0 },
90 { "speed", f_speed, 0 },
95 c_key(const void *a, const void *b)
98 return (strcmp(((const struct key *)a)->name, ((const struct key *)b)->name));
102 ksearch(char ***argvp, struct info *ip)
115 if (!(kp = (struct key *)bsearch(&tmp, keys,
116 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key)))
118 if (!(kp->flags & F_OFFOK) && ip->off) {
119 warnx("illegal option -- -%s", name);
122 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) {
123 warnx("option requires an argument -- %s", name);
131 f_all(struct info *ip)
133 print(&ip->t, &ip->win, ip->ldisc, BSD);
137 f_cbreak(struct info *ip)
143 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL;
144 ip->t.c_oflag |= OPOST;
145 ip->t.c_lflag |= ISIG|IEXTEN;
146 ip->t.c_lflag &= ~ICANON;
152 f_columns(struct info *ip)
155 ip->win.ws_col = atoi(ip->arg);
160 f_dec(struct info *ip)
163 ip->t.c_cc[VERASE] = (u_char)0177;
164 ip->t.c_cc[VKILL] = CTRL('u');
165 ip->t.c_cc[VINTR] = CTRL('c');
166 ip->t.c_lflag &= ~ECHOPRT;
167 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL;
168 ip->t.c_iflag &= ~IXANY;
173 f_ek(struct info *ip)
176 ip->t.c_cc[VERASE] = CERASE;
177 ip->t.c_cc[VKILL] = CKILL;
182 f_everything(struct info *ip)
185 print(&ip->t, &ip->win, ip->ldisc, BSD);
189 f_extproc(struct info *ip)
194 ioctl(ip->fd, TIOCEXT, &tmp);
197 ioctl(ip->fd, TIOCEXT, &tmp);
202 f_ispeed(struct info *ip)
205 cfsetispeed(&ip->t, (speed_t)atoi(ip->arg));
210 f_nl(struct info *ip)
214 ip->t.c_iflag |= ICRNL;
215 ip->t.c_oflag |= ONLCR;
217 ip->t.c_iflag &= ~ICRNL;
218 ip->t.c_oflag &= ~ONLCR;
224 f_ospeed(struct info *ip)
227 cfsetospeed(&ip->t, (speed_t)atoi(ip->arg));
232 f_raw(struct info *ip)
239 ip->t.c_cflag &= ~(CSIZE|PARENB);
240 ip->t.c_cflag |= CS8;
246 f_rows(struct info *ip)
249 ip->win.ws_row = atoi(ip->arg);
254 f_sane(struct info *ip)
257 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & CLOCAL);
258 ip->t.c_iflag = TTYDEF_IFLAG;
259 ip->t.c_iflag |= ICRNL;
260 /* preserve user-preference flags in lflag */
261 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH)
262 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP);
263 ip->t.c_oflag = TTYDEF_OFLAG;
268 f_size(struct info *ip)
271 printf("%d %d\n", ip->win.ws_row, ip->win.ws_col);
275 f_speed(struct info *ip)
278 printf("%lu\n", (u_long)cfgetospeed(&ip->t));
282 f_tty(struct info *ip)
287 if (ioctl(ip->fd, TIOCSETD, &tmp) < 0)