modes.c revision 1.7 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 /*static char sccsid[] = "from: @(#)modes.c 8.3 (Berkeley) 4/2/94";*/
36 static char *rcsid = "$Id: modes.c,v 1.7 1994/09/20 04:52:07 mycroft Exp $";
37 #endif /* not lint */
38
39 #include <sys/types.h>
40 #include <stddef.h>
41 #include <string.h>
42 #include "stty.h"
43
44 struct modes {
45 char *name;
46 long set;
47 long unset;
48 };
49
50 /*
51 * The code in optlist() depends on minus options following regular
52 * options, i.e. "foo" must immediately precede "-foo".
53 */
54 struct modes cmodes[] = {
55 { "cs5", CS5, CSIZE },
56 { "cs6", CS6, CSIZE },
57 { "cs7", CS7, CSIZE },
58 { "cs8", CS8, CSIZE },
59 { "cstopb", CSTOPB, 0 },
60 { "-cstopb", 0, CSTOPB },
61 { "cread", CREAD, 0 },
62 { "-cread", 0, CREAD },
63 { "parenb", PARENB, 0 },
64 { "-parenb", 0, PARENB },
65 { "parodd", PARODD, 0 },
66 { "-parodd", 0, PARODD },
67 { "parity", PARENB | CS7, PARODD | CSIZE },
68 { "-parity", CS8, PARODD | PARENB | CSIZE },
69 { "evenp", PARENB | CS7, PARODD | CSIZE },
70 { "-evenp", CS8, PARODD | PARENB | CSIZE },
71 { "oddp", PARENB | CS7 | PARODD, CSIZE },
72 { "-oddp", CS8, PARODD | PARENB | CSIZE },
73 { "pass8", CS8, PARODD | PARENB | CSIZE },
74 { "-pass8", PARENB | CS7, PARODD | CSIZE },
75 { "hupcl", HUPCL, 0 },
76 { "-hupcl", 0, HUPCL },
77 { "hup", HUPCL, 0 },
78 { "-hup", 0, HUPCL },
79 { "clocal", CLOCAL, 0 },
80 { "-clocal", 0, CLOCAL },
81 { "crtscts", CRTSCTS, 0 },
82 { "-crtscts", 0, CRTSCTS },
83 { "mdmbuf", MDMBUF, 0 },
84 { "-mdmbuf", 0, MDMBUF },
85 { NULL },
86 };
87
88 struct modes imodes[] = {
89 { "ignbrk", IGNBRK, 0 },
90 { "-ignbrk", 0, IGNBRK },
91 { "brkint", BRKINT, 0 },
92 { "-brkint", 0, BRKINT },
93 { "ignpar", IGNPAR, 0 },
94 { "-ignpar", 0, IGNPAR },
95 { "parmrk", PARMRK, 0 },
96 { "-parmrk", 0, PARMRK },
97 { "inpck", INPCK, 0 },
98 { "-inpck", 0, INPCK },
99 { "istrip", ISTRIP, 0 },
100 { "-istrip", 0, ISTRIP },
101 { "inlcr", INLCR, 0 },
102 { "-inlcr", 0, INLCR },
103 { "igncr", IGNCR, 0 },
104 { "-igncr", 0, IGNCR },
105 { "icrnl", ICRNL, 0 },
106 { "-icrnl", 0, ICRNL },
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 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 { NULL },
174 };
175
176 struct modes omodes[] = {
177 { "opost", OPOST, 0 },
178 { "-opost", 0, OPOST },
179 { "litout", 0, OPOST },
180 { "-litout", OPOST, 0 },
181 { "onlcr", ONLCR, 0 },
182 { "-onlcr", 0, ONLCR },
183 { "tabs", 0, OXTABS }, /* "preserve" tabs */
184 { "-tabs", OXTABS, 0 },
185 { "oxtabs", OXTABS, 0 },
186 { "-oxtabs", 0, OXTABS },
187 { NULL },
188 };
189
190 #define CHK(s) (*name == s[0] && !strcmp(name, s))
191
192 int
193 msearch(argvp, ip)
194 char ***argvp;
195 struct info *ip;
196 {
197 struct modes *mp;
198 char *name;
199
200 name = **argvp;
201
202 for (mp = cmodes; mp->name; ++mp)
203 if (CHK(mp->name)) {
204 ip->t.c_cflag &= ~mp->unset;
205 ip->t.c_cflag |= mp->set;
206 ip->set = 1;
207 return (1);
208 }
209 for (mp = imodes; mp->name; ++mp)
210 if (CHK(mp->name)) {
211 ip->t.c_iflag &= ~mp->unset;
212 ip->t.c_iflag |= mp->set;
213 ip->set = 1;
214 return (1);
215 }
216 for (mp = lmodes; mp->name; ++mp)
217 if (CHK(mp->name)) {
218 ip->t.c_lflag &= ~mp->unset;
219 ip->t.c_lflag |= mp->set;
220 ip->set = 1;
221 return (1);
222 }
223 for (mp = omodes; mp->name; ++mp)
224 if (CHK(mp->name)) {
225 ip->t.c_oflag &= ~mp->unset;
226 ip->t.c_oflag |= mp->set;
227 ip->set = 1;
228 return (1);
229 }
230 return (0);
231 }
232