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 #if 0
33 #ifndef lint
34 static char sccsid[] = "@(#)modes.c 8.3 (Berkeley) 4/2/94";
35 #endif /* not lint */
36 #endif
37
38 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
39 __FBSDID("$FreeBSD$");
40
41 #include <stddef.h>
42 #include <string.h>
43 #include <termios.h>
44 #include "lp.local.h"
45 #include "extern.h"
46
47 struct modes {
48 const char *name;
49 const long set;
50 const long unset;
51 };
52
53 /*
54 * The code in optlist() depends on minus options following regular
55 * options, i.e. "foo" must immediately precede "-foo".
56 */
57 struct modes cmodes[] = {
58 { "cs5", CS5, CSIZE },
59 { "cs6", CS6, CSIZE },
60 { "cs7", CS7, CSIZE },
61 { "cs8", CS8, CSIZE },
62 { "cstopb", CSTOPB, 0 },
63 { "-cstopb", 0, CSTOPB },
64 { "cread", CREAD, 0 },
65 { "-cread", 0, CREAD },
66 { "parenb", PARENB, 0 },
67 { "-parenb", 0, PARENB },
68 { "parodd", PARODD, 0 },
69 { "-parodd", 0, PARODD },
70 { "parity", PARENB | CS7, PARODD | CSIZE },
71 { "-parity", CS8, PARODD | PARENB | CSIZE },
72 { "evenp", PARENB | CS7, PARODD | CSIZE },
73 { "-evenp", CS8, PARODD | PARENB | CSIZE },
74 { "oddp", PARENB | CS7 | PARODD, CSIZE },
75 { "-oddp", CS8, PARODD | PARENB | CSIZE },
76 { "pass8", CS8, PARODD | PARENB | CSIZE },
77 { "-pass8", PARENB | CS7, PARODD | CSIZE },
78 { "hupcl", HUPCL, 0 },
79 { "-hupcl", 0, HUPCL },
80 { "hup", HUPCL, 0 },
81 { "-hup", 0, HUPCL },
82 { "clocal", CLOCAL, 0 },
83 { "-clocal", 0, CLOCAL },
84 { "crtscts", CRTSCTS, 0 },
85 { "-crtscts", 0, CRTSCTS },
86 { "ctsflow", CCTS_OFLOW, 0 },
87 { "-ctsflow", 0, CCTS_OFLOW },
88 { "dsrflow", CDSR_OFLOW, 0 },
89 { "-dsrflow", 0, CDSR_OFLOW },
90 { "dtrflow", CDTR_IFLOW, 0 },
91 { "-dtrflow", 0, CDTR_IFLOW },
92 { "rtsflow", CRTS_IFLOW, 0 },
93 { "-rtsflow", 0, CRTS_IFLOW },
94 { "mdmbuf", MDMBUF, 0 },
95 { "-mdmbuf", 0, MDMBUF },
96 { NULL, 0, 0},
97 };
98
99 struct modes imodes[] = {
100 { "ignbrk", IGNBRK, 0 },
101 { "-ignbrk", 0, IGNBRK },
102 { "brkint", BRKINT, 0 },
103 { "-brkint", 0, BRKINT },
104 { "ignpar", IGNPAR, 0 },
105 { "-ignpar", 0, IGNPAR },
106 { "parmrk", PARMRK, 0 },
107 { "-parmrk", 0, PARMRK },
108 { "inpck", INPCK, 0 },
109 { "-inpck", 0, INPCK },
110 { "istrip", ISTRIP, 0 },
111 { "-istrip", 0, ISTRIP },
112 { "inlcr", INLCR, 0 },
113 { "-inlcr", 0, INLCR },
114 { "igncr", IGNCR, 0 },
115 { "-igncr", 0, IGNCR },
116 { "icrnl", ICRNL, 0 },
117 { "-icrnl", 0, ICRNL },
118 { "ixon", IXON, 0 },
119 { "-ixon", 0, IXON },
120 { "flow", IXON, 0 },
121 { "-flow", 0, IXON },
122 { "ixoff", IXOFF, 0 },
123 { "-ixoff", 0, IXOFF },
124 { "tandem", IXOFF, 0 },
125 { "-tandem", 0, IXOFF },
126 { "ixany", IXANY, 0 },
127 { "-ixany", 0, IXANY },
128 { "decctlq", 0, IXANY },
129 { "-decctlq", IXANY, 0 },
130 { "imaxbel", IMAXBEL, 0 },
131 { "-imaxbel", 0, IMAXBEL },
132 { NULL, 0, 0},
133 };
134
135 struct modes lmodes[] = {
136 { "echo", ECHO, 0 },
137 { "-echo", 0, ECHO },
138 { "echoe", ECHOE, 0 },
139 { "-echoe", 0, ECHOE },
140 { "crterase", ECHOE, 0 },
141 { "-crterase", 0, ECHOE },
142 { "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */
143 { "-crtbs", 0, ECHOE },
144 { "echok", ECHOK, 0 },
145 { "-echok", 0, ECHOK },
146 { "echoke", ECHOKE, 0 },
147 { "-echoke", 0, ECHOKE },
148 { "crtkill", ECHOKE, 0 },
149 { "-crtkill", 0, ECHOKE },
150 { "altwerase", ALTWERASE, 0 },
151 { "-altwerase", 0, ALTWERASE },
152 { "iexten", IEXTEN, 0 },
153 { "-iexten", 0, IEXTEN },
154 { "echonl", ECHONL, 0 },
155 { "-echonl", 0, ECHONL },
156 { "echoctl", ECHOCTL, 0 },
157 { "-echoctl", 0, ECHOCTL },
158 { "ctlecho", ECHOCTL, 0 },
159 { "-ctlecho", 0, ECHOCTL },
160 { "echoprt", ECHOPRT, 0 },
161 { "-echoprt", 0, ECHOPRT },
162 { "prterase", ECHOPRT, 0 },
163 { "-prterase", 0, ECHOPRT },
164 { "isig", ISIG, 0 },
165 { "-isig", 0, ISIG },
166 { "icanon", ICANON, 0 },
167 { "-icanon", 0, ICANON },
168 { "noflsh", NOFLSH, 0 },
169 { "-noflsh", 0, NOFLSH },
170 { "tostop", TOSTOP, 0 },
171 { "-tostop", 0, TOSTOP },
172 { "flusho", FLUSHO, 0 },
173 { "-flusho", 0, FLUSHO },
174 { "pendin", PENDIN, 0 },
175 { "-pendin", 0, PENDIN },
176 { "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
177 { "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
178 { "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT },
179 { "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL },
180 { "nokerninfo", NOKERNINFO, 0 },
181 { "-nokerninfo",0, NOKERNINFO },
182 { "kerninfo", 0, NOKERNINFO },
183 { "-kerninfo", NOKERNINFO, 0 },
184 { NULL, 0, 0},
185 };
186
187 struct modes omodes[] = {
188 { "opost", OPOST, 0 },
189 { "-opost", 0, OPOST },
190 { "litout", 0, OPOST },
191 { "-litout", OPOST, 0 },
192 { "onlcr", ONLCR, 0 },
193 { "-onlcr", 0, ONLCR },
194 { "tabs", 0, OXTABS }, /* "preserve" tabs */
195 { "-tabs", OXTABS, 0 },
196 { "oxtabs", OXTABS, 0 },
197 { "-oxtabs", 0, OXTABS },
198 { NULL, 0, 0},
199 };
200
201 #define CHK(name, s) (*name == s[0] && !strcmp(name, s))
202
203 int
msearch(char * str,struct termios * ip)204 msearch(char *str, struct termios *ip)
205 {
206 struct modes *mp;
207
208 for (mp = cmodes; mp->name; ++mp)
209 if (CHK(str, mp->name)) {
210 ip->c_cflag &= ~mp->unset;
211 ip->c_cflag |= mp->set;
212 return (1);
213 }
214 for (mp = imodes; mp->name; ++mp)
215 if (CHK(str, mp->name)) {
216 ip->c_iflag &= ~mp->unset;
217 ip->c_iflag |= mp->set;
218 return (1);
219 }
220 for (mp = lmodes; mp->name; ++mp)
221 if (CHK(str, mp->name)) {
222 ip->c_lflag &= ~mp->unset;
223 ip->c_lflag |= mp->set;
224 return (1);
225 }
226 for (mp = omodes; mp->name; ++mp)
227 if (CHK(str, mp->name)) {
228 ip->c_oflag &= ~mp->unset;
229 ip->c_oflag |= mp->set;
230 return (1);
231 }
232 return (0);
233 }
234