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 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