1 /*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * 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 static char sccsid[] = "@(#)key.c 5.3 (Berkeley) 6/10/91";
36 #endif /* not lint */
37
38 #include <sys/types.h>
39 #include <errno.h>
40 #include <stdlib.h>
41 #include <stdio.h>
42 #include <string.h>
43 #include "stty.h"
44 #include "extern.h"
45
46 __BEGIN_DECLS
47 void f_all __P((struct info *));
48 void f_cbreak __P((struct info *));
49 void f_columns __P((struct info *));
50 void f_dec __P((struct info *));
51 void f_everything __P((struct info *));
52 void f_extproc __P((struct info *));
53 void f_ispeed __P((struct info *));
54 void f_nl __P((struct info *));
55 void f_ospeed __P((struct info *));
56 void f_raw __P((struct info *));
57 void f_rows __P((struct info *));
58 void f_sane __P((struct info *));
59 void f_size __P((struct info *));
60 void f_speed __P((struct info *));
61 void f_tty __P((struct info *));
62 __END_DECLS
63
64 static struct key {
65 char *name; /* name */
66 void (*f) __P((struct info *)); /* function */
67 #define F_NEEDARG 0x01 /* needs an argument */
68 #define F_OFFOK 0x02 /* can turn off */
69 int flags;
70 } keys[] = {
71 "all", f_all, 0,
72 "cbreak", f_cbreak, F_OFFOK,
73 "cols", f_columns, F_NEEDARG,
74 "columns", f_columns, F_NEEDARG,
75 "cooked", f_sane, 0,
76 "dec", f_dec, 0,
77 "everything", f_everything, 0,
78 "extproc", f_extproc, F_OFFOK,
79 "ispeed", f_ispeed, 0,
80 "new", f_tty, 0,
81 "nl", f_nl, F_OFFOK,
82 "old", f_tty, 0,
83 "ospeed", f_ospeed, F_NEEDARG,
84 "raw", f_raw, F_OFFOK,
85 "rows", f_rows, F_NEEDARG,
86 "sane", f_sane, 0,
87 "size", f_size, 0,
88 "speed", f_speed, 0,
89 "tty", f_tty, 0,
90 };
91
ksearch(argvp,ip)92 ksearch(argvp, ip)
93 char ***argvp;
94 struct info *ip;
95 {
96 register struct key *kp;
97 register char *name;
98 struct key tmp;
99 static int c_key __P((const void *, const void *));
100
101 name = **argvp;
102 if (*name == '-') {
103 ip->off = 1;
104 ++name;
105 } else
106 ip->off = 0;
107
108 tmp.name = name;
109 if (!(kp = (struct key *)bsearch(&tmp, keys,
110 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key)))
111 return(0);
112 if (!(kp->flags & F_OFFOK) && ip->off)
113 err("illegal option -- %s\n%s", name, usage);
114 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp))
115 err("option requires an argument -- %s\n%s", name, usage);
116 kp->f(ip);
117 return(1);
118 }
119
120 static
c_key(a,b)121 c_key(a, b)
122 const void *a, *b;
123 {
124 return(strcmp(((struct key *)a)->name, ((struct key *)b)->name));
125 }
126
127 void
f_all(ip)128 f_all(ip)
129 struct info *ip;
130 {
131 print(&ip->t, &ip->win, ip->ldisc, BSD);
132 }
133
134 void
f_cbreak(ip)135 f_cbreak(ip)
136 struct info *ip;
137 {
138 if (ip->off)
139 f_sane(ip);
140 else {
141 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL;
142 ip->t.c_oflag |= OPOST;
143 ip->t.c_lflag |= ISIG|IEXTEN;
144 ip->t.c_lflag &= ~ICANON;
145 ip->set = 1;
146 }
147 }
148
149 void
f_columns(ip)150 f_columns(ip)
151 struct info *ip;
152 {
153 ip->win.ws_col = atoi(ip->arg);
154 ip->wset = 1;
155 }
156
157 void
f_dec(ip)158 f_dec(ip)
159 struct info *ip;
160 {
161 ip->t.c_cc[VERASE] = (u_char)0177;
162 ip->t.c_cc[VKILL] = CTRL('u');
163 ip->t.c_cc[VINTR] = CTRL('c');
164 ip->t.c_lflag &= ~ECHOPRT;
165 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL;
166 ip->t.c_iflag &= ~IXANY;
167 ip->set = 1;
168 }
169
170 void
f_everything(ip)171 f_everything(ip)
172 struct info *ip;
173 {
174 print(&ip->t, &ip->win, ip->ldisc, BSD);
175 }
176
177 void
f_extproc(ip)178 f_extproc(ip)
179 struct info *ip;
180 {
181 int tmp;
182
183 if (ip->set) {
184 tmp = 1;
185 (void)ioctl(ip->fd, TIOCEXT, &tmp);
186 } else {
187 tmp = 0;
188 (void)ioctl(ip->fd, TIOCEXT, &tmp);
189 }
190 }
191
192 void
f_ispeed(ip)193 f_ispeed(ip)
194 struct info *ip;
195 {
196 cfsetispeed(&ip->t, atoi(ip->arg));
197 ip->set = 1;
198 }
199
200 void
f_nl(ip)201 f_nl(ip)
202 struct info *ip;
203 {
204 if (ip->off) {
205 ip->t.c_iflag |= ICRNL;
206 ip->t.c_oflag |= ONLCR;
207 } else {
208 ip->t.c_iflag &= ~ICRNL;
209 ip->t.c_oflag &= ~ONLCR;
210 }
211 ip->set = 1;
212 }
213
214 void
f_ospeed(ip)215 f_ospeed(ip)
216 struct info *ip;
217 {
218 cfsetospeed(&ip->t, atoi(ip->arg));
219 ip->set = 1;
220 }
221
222 void
f_raw(ip)223 f_raw(ip)
224 struct info *ip;
225 {
226 if (ip->off)
227 f_sane(ip);
228 else {
229 cfmakeraw(&ip->t);
230 ip->t.c_cflag &= ~(CSIZE|PARENB);
231 ip->t.c_cflag |= CS8;
232 ip->set = 1;
233 }
234 }
235
236 void
f_rows(ip)237 f_rows(ip)
238 struct info *ip;
239 {
240 ip->win.ws_row = atoi(ip->arg);
241 ip->wset = 1;
242 }
243
244 void
f_sane(ip)245 f_sane(ip)
246 struct info *ip;
247 {
248 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & CLOCAL);
249 ip->t.c_iflag = TTYDEF_IFLAG;
250 ip->t.c_iflag |= ICRNL;
251 /* preserve user-preference flags in lflag */
252 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH)
253 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP);
254 ip->t.c_oflag = TTYDEF_OFLAG;
255 ip->set = 1;
256 }
257
258 void
f_size(ip)259 f_size(ip)
260 struct info *ip;
261 {
262 (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col);
263 }
264
265 void
f_speed(ip)266 f_speed(ip)
267 struct info *ip;
268 {
269 (void)printf("%d\n", cfgetospeed(&ip->t));
270 }
271
272 void
f_tty(ip)273 f_tty(ip)
274 struct info *ip;
275 {
276 int tmp;
277
278 tmp = TTYDISC;
279 if (ioctl(0, TIOCSETD, &tmp) < 0)
280 err("TIOCSETD: %s", strerror(errno));
281 }
282