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. 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.
16 *
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
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/types.h>
31 #include <string.h>
32 #include "stty.h"
33
34 int msearch(char ***, struct info *);
35
36 struct modes {
37 const char *name;
38 long set;
39 long unset;
40 };
41
42 /*
43 * The code in optlist() depends on minus options following regular
44 * options, i.e. "foo" must immediately precede "-foo".
45 */
46 static const struct modes cmodes[] = {
47 { "cs5", CS5, CSIZE },
48 { "cs6", CS6, CSIZE },
49 { "cs7", CS7, CSIZE },
50 { "cs8", CS8, CSIZE },
51 { "cstopb", CSTOPB, 0 },
52 { "-cstopb", 0, CSTOPB },
53 { "cread", CREAD, 0 },
54 { "-cread", 0, CREAD },
55 { "parenb", PARENB, 0 },
56 { "-parenb", 0, PARENB },
57 { "parodd", PARODD, 0 },
58 { "-parodd", 0, PARODD },
59 { "parity", PARENB | CS7, PARODD | CSIZE },
60 { "-parity", CS8, PARODD | PARENB | CSIZE },
61 { "evenp", PARENB | CS7, PARODD | CSIZE },
62 { "-evenp", CS8, PARODD | PARENB | CSIZE },
63 { "oddp", PARENB | CS7 | PARODD, CSIZE },
64 { "-oddp", CS8, PARODD | PARENB | CSIZE },
65 { "pass8", CS8, PARODD | PARENB | CSIZE },
66 { "-pass8", PARENB | CS7, PARODD | CSIZE },
67 { "hupcl", HUPCL, 0 },
68 { "-hupcl", 0, HUPCL },
69 { "hup", HUPCL, 0 },
70 { "-hup", 0, HUPCL },
71 { "clocal", CLOCAL, 0 },
72 { "-clocal", 0, CLOCAL },
73 { "crtscts", CRTSCTS, 0 },
74 { "-crtscts", 0, CRTSCTS },
75 { "ctsflow", CCTS_OFLOW, 0 },
76 { "-ctsflow", 0, CCTS_OFLOW },
77 { "dsrflow", CDSR_OFLOW, 0 },
78 { "-dsrflow", 0, CDSR_OFLOW },
79 { "dtrflow", CDTR_IFLOW, 0 },
80 { "-dtrflow", 0, CDTR_IFLOW },
81 { "rtsflow", CRTS_IFLOW, 0 },
82 { "-rtsflow", 0, CRTS_IFLOW },
83 { "mdmbuf", MDMBUF, 0 },
84 { "-mdmbuf", 0, MDMBUF },
85 { "rtsdtr", 0, CNO_RTSDTR },
86 { "-rtsdtr", CNO_RTSDTR, 0 },
87 { NULL, 0, 0 },
88 };
89
90 static const struct modes imodes[] = {
91 { "ignbrk", IGNBRK, 0 },
92 { "-ignbrk", 0, IGNBRK },
93 { "brkint", BRKINT, 0 },
94 { "-brkint", 0, BRKINT },
95 { "ignpar", IGNPAR, 0 },
96 { "-ignpar", 0, IGNPAR },
97 { "parmrk", PARMRK, 0 },
98 { "-parmrk", 0, PARMRK },
99 { "inpck", INPCK, 0 },
100 { "-inpck", 0, INPCK },
101 { "istrip", ISTRIP, 0 },
102 { "-istrip", 0, ISTRIP },
103 { "inlcr", INLCR, 0 },
104 { "-inlcr", 0, INLCR },
105 { "igncr", IGNCR, 0 },
106 { "-igncr", 0, IGNCR },
107 { "icrnl", ICRNL, 0 },
108 { "-icrnl", 0, ICRNL },
109 { "ixon", IXON, 0 },
110 { "-ixon", 0, IXON },
111 { "flow", IXON, 0 },
112 { "-flow", 0, IXON },
113 { "ixoff", IXOFF, 0 },
114 { "-ixoff", 0, IXOFF },
115 { "tandem", IXOFF, 0 },
116 { "-tandem", 0, IXOFF },
117 { "ixany", IXANY, 0 },
118 { "-ixany", 0, IXANY },
119 { "decctlq", 0, IXANY },
120 { "-decctlq", IXANY, 0 },
121 { "imaxbel", IMAXBEL, 0 },
122 { "-imaxbel", 0, IMAXBEL },
123 { "iutf8", IUTF8, 0 },
124 { "-iutf8", 0, IUTF8 },
125 { NULL, 0, 0 },
126 };
127
128 static const struct modes lmodes[] = {
129 { "echo", ECHO, 0 },
130 { "-echo", 0, ECHO },
131 { "echoe", ECHOE, 0 },
132 { "-echoe", 0, ECHOE },
133 { "crterase", ECHOE, 0 },
134 { "-crterase", 0, ECHOE },
135 { "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */
136 { "-crtbs", 0, ECHOE },
137 { "echok", ECHOK, 0 },
138 { "-echok", 0, ECHOK },
139 { "echoke", ECHOKE, 0 },
140 { "-echoke", 0, ECHOKE },
141 { "crtkill", ECHOKE, 0 },
142 { "-crtkill", 0, ECHOKE },
143 { "altwerase", ALTWERASE, 0 },
144 { "-altwerase", 0, ALTWERASE },
145 { "iexten", IEXTEN, 0 },
146 { "-iexten", 0, IEXTEN },
147 { "echonl", ECHONL, 0 },
148 { "-echonl", 0, ECHONL },
149 { "echoctl", ECHOCTL, 0 },
150 { "-echoctl", 0, ECHOCTL },
151 { "ctlecho", ECHOCTL, 0 },
152 { "-ctlecho", 0, ECHOCTL },
153 { "echoprt", ECHOPRT, 0 },
154 { "-echoprt", 0, ECHOPRT },
155 { "prterase", ECHOPRT, 0 },
156 { "-prterase", 0, ECHOPRT },
157 { "isig", ISIG, 0 },
158 { "-isig", 0, ISIG },
159 { "icanon", ICANON, 0 },
160 { "-icanon", 0, ICANON },
161 { "noflsh", NOFLSH, 0 },
162 { "-noflsh", 0, NOFLSH },
163 { "tostop", TOSTOP, 0 },
164 { "-tostop", 0, TOSTOP },
165 { "flusho", FLUSHO, 0 },
166 { "-flusho", 0, FLUSHO },
167 { "pendin", PENDIN, 0 },
168 { "-pendin", 0, PENDIN },
169 { "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
170 { "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
171 { "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
172 { "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
173 { "nokerninfo", NOKERNINFO, 0 },
174 { "-nokerninfo",0, NOKERNINFO },
175 { "kerninfo", 0, NOKERNINFO },
176 { "-kerninfo", NOKERNINFO, 0 },
177 { NULL, 0, 0 },
178 };
179
180 static const struct modes omodes[] = {
181 { "opost", OPOST, 0 },
182 { "-opost", 0, OPOST },
183 { "litout", 0, OPOST },
184 { "-litout", OPOST, 0 },
185 { "onlcr", ONLCR, 0 },
186 { "-onlcr", 0, ONLCR },
187 { "ocrnl", OCRNL, 0 },
188 { "-ocrnl", 0, OCRNL },
189 { "tabs", TAB0, TABDLY }, /* "preserve" tabs */
190 { "-tabs", TAB3, TABDLY },
191 { "oxtabs", TAB3, TABDLY },
192 { "-oxtabs", TAB0, TABDLY },
193 { "tab0", TAB0, TABDLY },
194 { "tab3", TAB3, TABDLY },
195 { "onocr", ONOCR, 0 },
196 { "-onocr", 0, ONOCR },
197 { "onlret", ONLRET, 0 },
198 { "-onlret", 0, ONLRET },
199 { NULL, 0, 0 },
200 };
201
202 #define CHK(s) (*name == s[0] && !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