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