1 /* $OpenBSD: modes.c,v 1.11 2016/03/23 14:52:42 mmcc Exp $ */
2 /* $NetBSD: modes.c,v 1.9 1996/05/07 18:20:09 jtc Exp $ */
3
4 /*-
5 * Copyright (c) 1991, 1993, 1994
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <sys/types.h>
34
35 #include <stddef.h>
36 #include <string.h>
37 #include <termios.h>
38
39 #include "stty.h"
40 #include "extern.h"
41
42 struct modes {
43 const char *name;
44 unsigned int set;
45 unsigned int unset;
46 };
47
48 /*
49 * The code in optlist() depends on minus options following regular
50 * options, i.e. "foo" must immediately precede "-foo".
51 */
52 const struct modes cmodes[] = {
53 { "cs5", CS5, CSIZE },
54 { "cs6", CS6, CSIZE },
55 { "cs7", CS7, CSIZE },
56 { "cs8", CS8, CSIZE },
57 { "cstopb", CSTOPB, 0 },
58 { "-cstopb", 0, CSTOPB },
59 { "cread", CREAD, 0 },
60 { "-cread", 0, CREAD },
61 { "parenb", PARENB, 0 },
62 { "-parenb", 0, PARENB },
63 { "parodd", PARODD, 0 },
64 { "-parodd", 0, PARODD },
65 { "parity", PARENB | CS7, PARODD | CSIZE },
66 { "-parity", CS8, PARODD | PARENB | CSIZE },
67 { "evenp", PARENB | CS7, PARODD | CSIZE },
68 { "-evenp", CS8, PARODD | PARENB | CSIZE },
69 { "oddp", PARENB | CS7 | PARODD, CSIZE },
70 { "-oddp", CS8, PARODD | PARENB | CSIZE },
71 { "pass8", CS8, PARODD | PARENB | CSIZE },
72 { "-pass8", PARENB | CS7, PARODD | CSIZE },
73 { "hupcl", HUPCL, 0 },
74 { "-hupcl", 0, HUPCL },
75 { "hup", HUPCL, 0 },
76 { "-hup", 0, HUPCL },
77 { "clocal", CLOCAL, 0 },
78 { "-clocal", 0, CLOCAL },
79 { "crtscts", CRTSCTS, 0 },
80 { "-crtscts", 0, CRTSCTS },
81 { "mdmbuf", MDMBUF, 0 },
82 { "-mdmbuf", 0, MDMBUF },
83 { NULL },
84 };
85
86 const struct modes imodes[] = {
87 { "ignbrk", IGNBRK, 0 },
88 { "-ignbrk", 0, IGNBRK },
89 { "brkint", BRKINT, 0 },
90 { "-brkint", 0, BRKINT },
91 { "ignpar", IGNPAR, 0 },
92 { "-ignpar", 0, IGNPAR },
93 { "parmrk", PARMRK, 0 },
94 { "-parmrk", 0, PARMRK },
95 { "inpck", INPCK, 0 },
96 { "-inpck", 0, INPCK },
97 { "istrip", ISTRIP, 0 },
98 { "-istrip", 0, ISTRIP },
99 { "inlcr", INLCR, 0 },
100 { "-inlcr", 0, INLCR },
101 { "igncr", IGNCR, 0 },
102 { "-igncr", 0, IGNCR },
103 { "icrnl", ICRNL, 0 },
104 { "-icrnl", 0, ICRNL },
105 { "iuclc", IUCLC, 0 },
106 { "-iuclc", 0, IUCLC },
107 { "ixon", IXON, 0 },
108 { "-ixon", 0, IXON },
109 { "flow", IXON, 0 },
110 { "-flow", 0, IXON },
111 { "ixoff", IXOFF, 0 },
112 { "-ixoff", 0, IXOFF },
113 { "tandem", IXOFF, 0 },
114 { "-tandem", 0, IXOFF },
115 { "ixany", IXANY, 0 },
116 { "-ixany", 0, IXANY },
117 { "decctlq", 0, IXANY },
118 { "-decctlq", IXANY, 0 },
119 { "imaxbel", IMAXBEL, 0 },
120 { "-imaxbel", 0, IMAXBEL },
121 { NULL },
122 };
123
124 const struct modes lmodes[] = {
125 { "echo", ECHO, 0 },
126 { "-echo", 0, ECHO },
127 { "echoe", ECHOE, 0 },
128 { "-echoe", 0, ECHOE },
129 { "crterase", ECHOE, 0 },
130 { "-crterase", 0, ECHOE },
131 { "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */
132 { "-crtbs", 0, ECHOE },
133 { "echok", ECHOK, 0 },
134 { "-echok", 0, ECHOK },
135 { "echoke", ECHOKE, 0 },
136 { "-echoke", 0, ECHOKE },
137 { "crtkill", ECHOKE, 0 },
138 { "-crtkill", 0, ECHOKE },
139 { "altwerase", ALTWERASE, 0 },
140 { "-altwerase", 0, ALTWERASE },
141 { "iexten", IEXTEN, 0 },
142 { "-iexten", 0, IEXTEN },
143 { "echonl", ECHONL, 0 },
144 { "-echonl", 0, ECHONL },
145 { "echoctl", ECHOCTL, 0 },
146 { "-echoctl", 0, ECHOCTL },
147 { "ctlecho", ECHOCTL, 0 },
148 { "-ctlecho", 0, ECHOCTL },
149 { "echoprt", ECHOPRT, 0 },
150 { "-echoprt", 0, ECHOPRT },
151 { "prterase", ECHOPRT, 0 },
152 { "-prterase", 0, ECHOPRT },
153 { "isig", ISIG, 0 },
154 { "-isig", 0, ISIG },
155 { "icanon", ICANON, 0 },
156 { "-icanon", 0, ICANON },
157 { "noflsh", NOFLSH, 0 },
158 { "-noflsh", 0, NOFLSH },
159 { "tostop", TOSTOP, 0 },
160 { "-tostop", 0, TOSTOP },
161 { "flusho", FLUSHO, 0 },
162 { "-flusho", 0, FLUSHO },
163 { "pendin", PENDIN, 0 },
164 { "-pendin", 0, PENDIN },
165 { "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
166 { "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
167 { "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
168 { "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
169 { "nokerninfo", NOKERNINFO, 0 },
170 { "-nokerninfo",0, NOKERNINFO },
171 { "kerninfo", 0, NOKERNINFO },
172 { "-kerninfo", NOKERNINFO, 0 },
173 { "xcase", XCASE, 0 },
174 { "-xcase", 0, XCASE },
175 { NULL },
176 };
177
178 const struct modes omodes[] = {
179 { "opost", OPOST, 0 },
180 { "-opost", 0, OPOST },
181 { "litout", 0, OPOST },
182 { "-litout", OPOST, 0 },
183 { "ocrnl", OCRNL, 0 },
184 { "-ocrnl", 0, OCRNL },
185 { "olcuc", OLCUC, 0 },
186 { "-olcuc", 0, OLCUC },
187 { "onlcr", ONLCR, 0 },
188 { "-onlcr", 0, ONLCR },
189 { "onlret", ONLRET, 0 },
190 { "-onlret", 0, ONLRET },
191 { "onocr", ONOCR, 0 },
192 { "-onocr", 0, ONOCR },
193 { "tabs", 0, OXTABS }, /* "preserve" tabs */
194 { "-tabs", OXTABS, 0 },
195 { "oxtabs", OXTABS, 0 },
196 { "-oxtabs", 0, OXTABS },
197 { "onoeot", ONOEOT, 0 },
198 { "-onoeot", 0, ONOEOT },
199 { NULL },
200 };
201
202 #define CHK(s) (!strcmp(name, s))
203
204 int
msearch(char *** argvp,struct info * ip)205 msearch(char ***argvp, struct info *ip)
206 {
207 const struct modes *mp;
208 char *name;
209
210 name = **argvp;
211
212 for (mp = cmodes; mp->name; ++mp)
213 if (CHK(mp->name)) {
214 ip->t.c_cflag &= ~mp->unset;
215 ip->t.c_cflag |= mp->set;
216 ip->set = 1;
217 return (1);
218 }
219 for (mp = imodes; mp->name; ++mp)
220 if (CHK(mp->name)) {
221 ip->t.c_iflag &= ~mp->unset;
222 ip->t.c_iflag |= mp->set;
223 ip->set = 1;
224 return (1);
225 }
226 for (mp = lmodes; mp->name; ++mp)
227 if (CHK(mp->name)) {
228 ip->t.c_lflag &= ~mp->unset;
229 ip->t.c_lflag |= mp->set;
230 ip->set = 1;
231 return (1);
232 }
233 for (mp = omodes; mp->name; ++mp)
234 if (CHK(mp->name)) {
235 ip->t.c_oflag &= ~mp->unset;
236 ip->t.c_oflag |= mp->set;
237 ip->set = 1;
238 return (1);
239 }
240 return (0);
241 }
242