1 /* $NetBSD: key.c,v 1.7 2005/11/28 03:26:06 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[] = "@(#)key.c 8.3 (Berkeley) 4/2/94"; 36 #else 37 __RCSID("$NetBSD: key.c,v 1.7 2005/11/28 03:26:06 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/param.h> 42 #include <sys/types.h> 43 44 #include <errno.h> 45 #include <stdlib.h> 46 #include <stdio.h> 47 #include <string.h> 48 #include <syslog.h> 49 #include <dirent.h> 50 #include <termios.h> 51 52 #include "lp.h" 53 #include "extern.h" 54 55 __BEGIN_DECLS 56 static int 57 c_key(const void *, const void *); 58 void f_cbreak(struct info *); 59 void f_columns(struct info *); 60 void f_dec(struct info *); 61 void f_extproc(struct info *); 62 void f_ispeed(struct info *); 63 void f_nl(struct info *); 64 void f_ospeed(struct info *); 65 void f_raw(struct info *); 66 void f_rows(struct info *); 67 void f_sane(struct info *); 68 void f_tty(struct info *); 69 __END_DECLS 70 71 static struct key { 72 const char *name; /* name */ 73 void (*f)(struct info *); /* function */ 74 #define F_NEEDARG 0x01 /* needs an argument */ 75 #define F_OFFOK 0x02 /* can turn off */ 76 int flags; 77 } const keys[] = { 78 { "cbreak", f_cbreak, F_OFFOK }, 79 { "cols", f_columns, F_NEEDARG }, 80 { "columns", f_columns, F_NEEDARG }, 81 { "cooked", f_sane, 0 }, 82 { "dec", f_dec, 0 }, 83 { "extproc", f_extproc, F_OFFOK }, 84 { "ispeed", f_ispeed, F_NEEDARG }, 85 { "new", f_tty, 0 }, 86 { "nl", f_nl, F_OFFOK }, 87 { "old", f_tty, 0 }, 88 { "ospeed", f_ospeed, F_NEEDARG }, 89 { "raw", f_raw, F_OFFOK }, 90 { "rows", f_rows, F_NEEDARG }, 91 { "sane", f_sane, 0 }, 92 { "tty", f_tty, 0 }, 93 }; 94 95 static int 96 c_key(const void *a, const void *b) 97 { 98 99 return (strcmp(((const struct key *)a)->name, 100 ((const struct key *)b)->name)); 101 } 102 103 int 104 ksearch(char ***argvp, struct info *ip) 105 { 106 char *name; 107 struct key *kp, tmp; 108 109 name = **argvp; 110 if (*name == '-') { 111 ip->off = 1; 112 ++name; 113 } else 114 ip->off = 0; 115 116 tmp.name = name; 117 if (!(kp = (struct key *)bsearch(&tmp, keys, 118 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) 119 return (0); 120 if (!(kp->flags & F_OFFOK) && ip->off) { 121 syslog(LOG_INFO, "%s: illegal option: %s", printer, name); 122 return (1); 123 } 124 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { 125 syslog(LOG_INFO, "%s: option requires an argument: %s", 126 printer, name); 127 return (1); 128 } 129 kp->f(ip); 130 return (1); 131 } 132 133 void 134 f_cbreak(struct info *ip) 135 { 136 137 if (ip->off) 138 f_sane(ip); 139 else { 140 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; 141 ip->t.c_oflag |= OPOST; 142 ip->t.c_lflag |= ISIG|IEXTEN; 143 ip->t.c_lflag &= ~ICANON; 144 ip->set = 1; 145 } 146 } 147 148 void 149 f_columns(struct info *ip) 150 { 151 152 ip->win.ws_col = atoi(ip->arg); 153 ip->wset = 1; 154 } 155 156 void 157 f_dec(struct info *ip) 158 { 159 160 ip->t.c_cc[VERASE] = (u_char)0177; 161 ip->t.c_cc[VKILL] = CTRL('u'); 162 ip->t.c_cc[VINTR] = CTRL('c'); 163 ip->t.c_lflag &= ~ECHOPRT; 164 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; 165 ip->t.c_iflag &= ~IXANY; 166 ip->set = 1; 167 } 168 169 void 170 f_extproc(struct info *ip) 171 { 172 173 if (ip->set) { 174 int tmp = 1; 175 (void)ioctl(ip->fd, TIOCEXT, &tmp); 176 } else { 177 int tmp = 0; 178 (void)ioctl(ip->fd, TIOCEXT, &tmp); 179 } 180 } 181 182 void 183 f_ispeed(struct info *ip) 184 { 185 186 cfsetispeed(&ip->t, atoi(ip->arg)); 187 ip->set = 1; 188 } 189 190 void 191 f_nl(struct info *ip) 192 { 193 194 if (ip->off) { 195 ip->t.c_iflag |= ICRNL; 196 ip->t.c_oflag |= ONLCR; 197 } else { 198 ip->t.c_iflag &= ~ICRNL; 199 ip->t.c_oflag &= ~ONLCR; 200 } 201 ip->set = 1; 202 } 203 204 void 205 f_ospeed(struct info *ip) 206 { 207 208 cfsetospeed(&ip->t, atoi(ip->arg)); 209 ip->set = 1; 210 } 211 212 void 213 f_raw(struct info *ip) 214 { 215 216 if (ip->off) 217 f_sane(ip); 218 else { 219 cfmakeraw(&ip->t); 220 ip->t.c_cflag &= ~(CSIZE|PARENB); 221 ip->t.c_cflag |= CS8; 222 ip->set = 1; 223 } 224 } 225 226 void 227 f_rows(struct info *ip) 228 { 229 230 ip->win.ws_row = atoi(ip->arg); 231 ip->wset = 1; 232 } 233 234 void 235 f_sane(struct info *ip) 236 { 237 238 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & (CLOCAL|CRTSCTS|CDTRCTS)); 239 ip->t.c_iflag = TTYDEF_IFLAG; 240 ip->t.c_iflag |= ICRNL; 241 /* preserve user-preference flags in lflag */ 242 #define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) 243 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); 244 ip->t.c_oflag = TTYDEF_OFLAG; 245 ip->set = 1; 246 } 247 248 void 249 f_tty(struct info *ip) 250 { 251 int tmp; 252 253 tmp = TTYDISC; 254 if (ioctl(0, TIOCSETD, &tmp) < 0) 255 syslog(LOG_ERR, "%s: ioctl(TIOCSETD): %m", printer); 256 } 257
Indexes created Sun Oct 25 00:26:45 UTC 2026