1 /* $NetBSD: modes.c,v 1.17 2006/10/16 00:37:55 christos Exp $ */ 2 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 <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)modes.c 8.3 (Berkeley) 4/2/94"; 36 #else 37 __RCSID("$NetBSD: modes.c,v 1.17 2006/10/16 00:37:55 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 43 #include <stddef.h> 44 #include <string.h> 45 46 #include "stty.h" 47 #include "extern.h" 48 49 struct modes { 50 const char *name; 51 tcflag_t set; 52 tcflag_t unset; 53 }; 54 55 /* 56 * The code in optlist() depends on minus options following regular 57 * options, i.e. "foo" must immediately precede "-foo". 58 */ 59 const struct modes cmodes[] = { 60 { "cs5", CS5, CSIZE }, 61 { "cs6", CS6, CSIZE }, 62 { "cs7", CS7, CSIZE }, 63 { "cs8", CS8, CSIZE }, 64 { "cstopb", CSTOPB, 0 }, 65 { "-cstopb", 0, CSTOPB }, 66 { "cread", CREAD, 0 }, 67 { "-cread", 0, CREAD }, 68 { "parenb", PARENB, 0 }, 69 { "-parenb", 0, PARENB }, 70 { "parodd", PARODD, 0 }, 71 { "-parodd", 0, PARODD }, 72 { "parity", PARENB | CS7, PARODD | CSIZE }, 73 { "-parity", CS8, PARODD | PARENB | CSIZE }, 74 { "evenp", PARENB | CS7, PARODD | CSIZE }, 75 { "-evenp", CS8, PARODD | PARENB | CSIZE }, 76 { "oddp", PARENB | CS7 | PARODD, CSIZE }, 77 { "-oddp", CS8, PARODD | PARENB | CSIZE }, 78 { "pass8", CS8, PARODD | PARENB | CSIZE }, 79 { "-pass8", PARENB | CS7, PARODD | CSIZE }, 80 { "hupcl", HUPCL, 0 }, 81 { "-hupcl", 0, HUPCL }, 82 { "hup", HUPCL, 0 }, 83 { "-hup", 0, HUPCL }, 84 { "clocal", CLOCAL, 0 }, 85 { "-clocal", 0, CLOCAL }, 86 { "crtscts", CRTSCTS, 0 }, 87 { "-crtscts", 0, CRTSCTS }, 88 { "mdmbuf", MDMBUF, 0 }, 89 { "-mdmbuf", 0, MDMBUF }, 90 { "cdtrcts", CDTRCTS, 0 }, 91 { "-cdtrcts", 0, CDTRCTS }, 92 { .name = NULL }, 93 }; 94 95 const struct modes imodes[] = { 96 { "ignbrk", IGNBRK, 0 }, 97 { "-ignbrk", 0, IGNBRK }, 98 { "brkint", BRKINT, 0 }, 99 { "-brkint", 0, BRKINT }, 100 { "ignpar", IGNPAR, 0 }, 101 { "-ignpar", 0, IGNPAR }, 102 { "parmrk", PARMRK, 0 }, 103 { "-parmrk", 0, PARMRK }, 104 { "inpck", INPCK, 0 }, 105 { "-inpck", 0, INPCK }, 106 { "istrip", ISTRIP, 0 }, 107 { "-istrip", 0, ISTRIP }, 108 { "inlcr", INLCR, 0 }, 109 { "-inlcr", 0, INLCR }, 110 { "igncr", IGNCR, 0 }, 111 { "-igncr", 0, IGNCR }, 112 { "icrnl", ICRNL, 0 }, 113 { "-icrnl", 0, ICRNL }, 114 { "ixon", IXON, 0 }, 115 { "-ixon", 0, IXON }, 116 { "flow", IXON, 0 }, 117 { "-flow", 0, IXON }, 118 { "ixoff", IXOFF, 0 }, 119 { "-ixoff", 0, IXOFF }, 120 { "tandem", IXOFF, 0 }, 121 { "-tandem", 0, IXOFF }, 122 { "ixany", IXANY, 0 }, 123 { "-ixany", 0, IXANY }, 124 { "decctlq", 0, IXANY }, 125 { "-decctlq", IXANY, 0 }, 126 { "imaxbel", IMAXBEL, 0 }, 127 { "-imaxbel", 0, IMAXBEL }, 128 { .name = NULL }, 129 }; 130 131 const struct modes lmodes[] = { 132 { "echo", ECHO, 0 }, 133 { "-echo", 0, ECHO }, 134 { "echoe", ECHOE, 0 }, 135 { "-echoe", 0, ECHOE }, 136 { "crterase", ECHOE, 0 }, 137 { "-crterase", 0, ECHOE }, 138 { "crtbs", ECHOE, 0 }, /* crtbs not supported, close enough */ 139 { "-crtbs", 0, ECHOE }, 140 { "echok", ECHOK, 0 }, 141 { "-echok", 0, ECHOK }, 142 { "echoke", ECHOKE, 0 }, 143 { "-echoke", 0, ECHOKE }, 144 { "crtkill", ECHOKE, 0 }, 145 { "-crtkill", 0, ECHOKE }, 146 { "altwerase", ALTWERASE, 0 }, 147 { "-altwerase", 0, ALTWERASE }, 148 { "iexten", IEXTEN, 0 }, 149 { "-iexten", 0, IEXTEN }, 150 { "echonl", ECHONL, 0 }, 151 { "-echonl", 0, ECHONL }, 152 { "echoctl", ECHOCTL, 0 }, 153 { "-echoctl", 0, ECHOCTL }, 154 { "ctlecho", ECHOCTL, 0 }, 155 { "-ctlecho", 0, ECHOCTL }, 156 { "echoprt", ECHOPRT, 0 }, 157 { "-echoprt", 0, ECHOPRT }, 158 { "prterase", ECHOPRT, 0 }, 159 { "-prterase", 0, ECHOPRT }, 160 { "isig", ISIG, 0 }, 161 { "-isig", 0, ISIG }, 162 { "icanon", ICANON, 0 }, 163 { "-icanon", 0, ICANON }, 164 { "noflsh", NOFLSH, 0 }, 165 { "-noflsh", 0, NOFLSH }, 166 { "tostop", TOSTOP, 0 }, 167 { "-tostop", 0, TOSTOP }, 168 { "flusho", FLUSHO, 0 }, 169 { "-flusho", 0, FLUSHO }, 170 { "pendin", PENDIN, 0 }, 171 { "-pendin", 0, PENDIN }, 172 { "crt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT }, 173 { "-crt", ECHOK, ECHOE|ECHOKE|ECHOCTL }, 174 { "newcrt", ECHOE|ECHOKE|ECHOCTL, ECHOK|ECHOPRT }, 175 { "-newcrt", ECHOK, ECHOE|ECHOKE|ECHOCTL }, 176 { "nokerninfo", NOKERNINFO, 0 }, 177 { "-nokerninfo",0, NOKERNINFO }, 178 { "kerninfo", 0, NOKERNINFO }, 179 { "-kerninfo", NOKERNINFO, 0 }, 180 { .name = NULL }, 181 }; 182 183 const struct modes omodes[] = { 184 { "opost", OPOST, 0 }, 185 { "-opost", 0, OPOST }, 186 { "litout", 0, OPOST }, 187 { "-litout", OPOST, 0 }, 188 { "onlcr", ONLCR, 0 }, 189 { "-onlcr", 0, ONLCR }, 190 { "ocrnl", OCRNL, 0 }, 191 { "-ocrnl", 0, OCRNL }, 192 { "tabs", 0, OXTABS }, /* "preserve" tabs */ 193 { "-tabs", OXTABS, 0 }, 194 { "oxtabs", OXTABS, 0 }, 195 { "-oxtabs", 0, OXTABS }, 196 { "onocr", ONOCR, 0 }, 197 { "-onocr", 0, ONOCR }, 198 { "onlret", ONLRET, 0 }, 199 { "-onlret", 0, ONLRET }, 200 { .name = NULL }, 201 }; 202 203 #define CHK(s) (!strcmp(name, s)) 204 205 int 206 msearch(char ***argvp, struct info *ip) 207 { 208 const struct modes *mp; 209 char *name; 210 211 name = **argvp; 212 213 for (mp = cmodes; mp->name; ++mp) 214 if (CHK(mp->name)) { 215 ip->t.c_cflag &= ~mp->unset; 216 ip->t.c_cflag |= mp->set; 217 ip->set = 1; 218 return (1); 219 } 220 for (mp = imodes; mp->name; ++mp) 221 if (CHK(mp->name)) { 222 ip->t.c_iflag &= ~mp->unset; 223 ip->t.c_iflag |= mp->set; 224 ip->set = 1; 225 return (1); 226 } 227 for (mp = lmodes; mp->name; ++mp) 228 if (CHK(mp->name)) { 229 ip->t.c_lflag &= ~mp->unset; 230 ip->t.c_lflag |= mp->set; 231 ip->set = 1; 232 return (1); 233 } 234 for (mp = omodes; mp->name; ++mp) 235 if (CHK(mp->name)) { 236 ip->t.c_oflag &= ~mp->unset; 237 ip->t.c_oflag |= mp->set; 238 ip->set = 1; 239 return (1); 240 } 241 return (0); 242 } 243