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 #ifndef lint
31 #if 0
32 static char sccsid[] = "@(#)modes.c 8.3 (Berkeley) 4/2/94";
33 #endif
34 #endif /* not lint */
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
37
38 #include <sys/types.h>
39 #include <string.h>
40 #include "stty.h"
41
42 int msearch(char ***, struct info *);
43
44 struct modes {
45 const 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 static const 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 { "ctsflow", CCTS_OFLOW, 0 },
84 { "-ctsflow", 0, CCTS_OFLOW },
85 { "dsrflow", CDSR_OFLOW, 0 },
86 { "-dsrflow", 0, CDSR_OFLOW },
87 { "dtrflow", CDTR_IFLOW, 0 },
88 { "-dtrflow", 0, CDTR_IFLOW },
89 { "rtsflow", CRTS_IFLOW, 0 },
90 { "-rtsflow", 0, CRTS_IFLOW },
91 { "mdmbuf", MDMBUF, 0 },
92 { "-mdmbuf", 0, MDMBUF },
93 { "rtsdtr", 0, CNO_RTSDTR },
94 { "-rtsdtr", CNO_RTSDTR, 0 },
95 { NULL, 0, 0 },
96 };
97
98 static const struct modes imodes[] = {
99 { "ignbrk", IGNBRK, 0 },
100 { "-ignbrk", 0, IGNBRK },
101 { "brkint", BRKINT, 0 },
102 { "-brkint", 0, BRKINT },
103 { "ignpar", IGNPAR, 0 },
104 { "-ignpar", 0, IGNPAR },
105 { "parmrk", PARMRK, 0 },
106 { "-parmrk", 0, PARMRK },
107 { "inpck", INPCK, 0 },
108 { "-inpck", 0, INPCK },
109 { "istrip", ISTRIP, 0 },
110 { "-istrip", 0, ISTRIP },
111 { "inlcr", INLCR, 0 },
112 { "-inlcr", 0, INLCR },
113 { "igncr", IGNCR, 0 },
114 { "-igncr", 0, IGNCR },
115 { "icrnl", ICRNL, 0 },
116 { "-icrnl", 0, ICRNL },
117 { "ixon", IXON, 0 },
118 { "-ixon", 0, IXON },
119 { "flow", IXON, 0 },
120 { "-flow", 0, IXON },
121 { "ixoff", IXOFF, 0 },
122 { "-ixoff", 0, IXOFF },
123 { "tandem", IXOFF, 0 },
124 { "-tandem", 0, IXOFF },
125 { "ixany", IXANY, 0 },
126 { "-ixany", 0, IXANY },
127 { "decctlq", 0, IXANY },
128 { "-decctlq", IXANY, 0 },
129 { "imaxbel", IMAXBEL, 0 },
130 { "-imaxbel", 0, IMAXBEL },
131 { NULL, 0, 0 },
132 };
133
134 static const struct modes lmodes[] = {
135 { "echo", ECHO, 0 },
136 { "-echo", 0, ECHO },
137 { "echoe", ECHOE, 0 },
138 { "-echoe", 0, ECHOE },
139 { "crterase", ECHOE, 0 },
140 { "-crterase", 0, ECHOE },
141 { "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */
142 { "-crtbs", 0, ECHOE },
143 { "echok", ECHOK, 0 },
144 { "-echok", 0, ECHOK },
145 { "echoke", ECHOKE, 0 },
146 { "-echoke", 0, ECHOKE },
147 { "crtkill", ECHOKE, 0 },
148 { "-crtkill", 0, ECHOKE },
149 { "altwerase", ALTWERASE, 0 },
150 { "-altwerase", 0, ALTWERASE },
151 { "iexten", IEXTEN, 0 },
152 { "-iexten", 0, IEXTEN },
153 { "echonl", ECHONL, 0 },
154 { "-echonl", 0, ECHONL },
155 { "echoctl", ECHOCTL, 0 },
156 { "-echoctl", 0, ECHOCTL },
157 { "ctlecho", ECHOCTL, 0 },
158 { "-ctlecho", 0, ECHOCTL },
159 { "echoprt", ECHOPRT, 0 },
160 { "-echoprt", 0, ECHOPRT },
161 { "prterase", ECHOPRT, 0 },
162 { "-prterase", 0, ECHOPRT },
163 { "isig", ISIG, 0 },
164 { "-isig", 0, ISIG },
165 { "icanon", ICANON, 0 },
166 { "-icanon", 0, ICANON },
167 { "noflsh", NOFLSH, 0 },
168 { "-noflsh", 0, NOFLSH },
169 { "tostop", TOSTOP, 0 },
170 { "-tostop", 0, TOSTOP },
171 { "flusho", FLUSHO, 0 },
172 { "-flusho", 0, FLUSHO },
173 { "pendin", PENDIN, 0 },
174 { "-pendin", 0, PENDIN },
175 { "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
176 { "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
177 { "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
178 { "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
179 { "nokerninfo", NOKERNINFO, 0 },
180 { "-nokerninfo",0, NOKERNINFO },
181 { "kerninfo", 0, NOKERNINFO },
182 { "-kerninfo", NOKERNINFO, 0 },
183 { NULL, 0, 0 },
184 };
185
186 static const struct modes omodes[] = {
187 { "opost", OPOST, 0 },
188 { "-opost", 0, OPOST },
189 { "litout", 0, OPOST },
190 { "-litout", OPOST, 0 },
191 { "onlcr", ONLCR, 0 },
192 { "-onlcr", 0, ONLCR },
193 { "ocrnl", OCRNL, 0 },
194 { "-ocrnl", 0, OCRNL },
195 { "tabs", TAB0, TABDLY }, /* "preserve" tabs */
196 { "-tabs", TAB3, TABDLY },
197 { "oxtabs", TAB3, TABDLY },
198 { "-oxtabs", TAB0, TABDLY },
199 { "tab0", TAB0, TABDLY },
200 { "tab3", TAB3, TABDLY },
201 { "onocr", ONOCR, 0 },
202 { "-onocr", 0, ONOCR },
203 { "onlret", ONLRET, 0 },
204 { "-onlret", 0, ONLRET },
205 { NULL, 0, 0 },
206 };
207
208 #define CHK(s) (*name == s[0] && !strcmp(name, s))
209
210 int
msearch(char *** argvp,struct info * ip)211 msearch(char ***argvp, struct info *ip)
212 {
213 const struct modes *mp;
214 char *name;
215
216 name = **argvp;
217
218 for (mp = cmodes; mp->name; ++mp)
219 if (CHK(mp->name)) {
220 ip->t.c_cflag &= ~mp->unset;
221 ip->t.c_cflag |= mp->set;
222 ip->set = 1;
223 return (1);
224 }
225 for (mp = imodes; mp->name; ++mp)
226 if (CHK(mp->name)) {
227 ip->t.c_iflag &= ~mp->unset;
228 ip->t.c_iflag |= mp->set;
229 ip->set = 1;
230 return (1);
231 }
232 for (mp = lmodes; mp->name; ++mp)
233 if (CHK(mp->name)) {
234 ip->t.c_lflag &= ~mp->unset;
235 ip->t.c_lflag |= mp->set;
236 ip->set = 1;
237 return (1);
238 }
239 for (mp = omodes; mp->name; ++mp)
240 if (CHK(mp->name)) {
241 ip->t.c_oflag &= ~mp->unset;
242 ip->t.c_oflag |= mp->set;
243 ip->set = 1;
244 return (1);
245 }
246 return (0);
247 }
248