key.c revision 1.1
1/* $NetBSD: key.c,v 1.1 1995/10/03 15:02:41 hpeyerl 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#ifndef lint 37#if 0 38static char sccsid[] = "@(#)key.c 8.3 (Berkeley) 4/2/94"; 39#else 40static char rcsid[] = "$NetBSD: key.c,v 1.1 1995/10/03 15:02:41 hpeyerl Exp $"; 41#endif 42#endif /* not lint */ 43 44#include <sys/param.h> 45#include <sys/types.h> 46 47#include <errno.h> 48#include <stdlib.h> 49#include <stdio.h> 50#include <string.h> 51#include <syslog.h> 52#include <dirent.h> 53#include <termios.h> 54 55#include "lp.h" 56#include "extern.h" 57 58__BEGIN_DECLS 59void f_cbreak __P((struct info *)); 60void f_columns __P((struct info *)); 61void f_dec __P((struct info *)); 62void f_extproc __P((struct info *)); 63void f_ispeed __P((struct info *)); 64void f_nl __P((struct info *)); 65void f_ospeed __P((struct info *)); 66void f_raw __P((struct info *)); 67void f_rows __P((struct info *)); 68void f_sane __P((struct info *)); 69void f_tty __P((struct info *)); 70__END_DECLS 71 72static struct key { 73 char *name; /* name */ 74 void (*f) __P((struct info *)); /* function */ 75#define F_NEEDARG 0x01 /* needs an argument */ 76#define F_OFFOK 0x02 /* can turn off */ 77 int flags; 78} keys[] = { 79 { "cbreak", f_cbreak, F_OFFOK }, 80 { "cols", f_columns, F_NEEDARG }, 81 { "columns", f_columns, F_NEEDARG }, 82 { "cooked", f_sane, 0 }, 83 { "dec", f_dec, 0 }, 84 { "extproc", f_extproc, F_OFFOK }, 85 { "ispeed", f_ispeed, F_NEEDARG }, 86 { "new", f_tty, 0 }, 87 { "nl", f_nl, F_OFFOK }, 88 { "old", f_tty, 0 }, 89 { "ospeed", f_ospeed, F_NEEDARG }, 90 { "raw", f_raw, F_OFFOK }, 91 { "rows", f_rows, F_NEEDARG }, 92 { "sane", f_sane, 0 }, 93 { "tty", f_tty, 0 }, 94}; 95 96static int 97c_key(a, b) 98 const void *a, *b; 99{ 100 101 return (strcmp(((struct key *)a)->name, ((struct key *)b)->name)); 102} 103 104int 105ksearch(argvp, ip) 106 char ***argvp; 107 struct info *ip; 108{ 109 char *name; 110 struct key *kp, tmp; 111 112 name = **argvp; 113 if (*name == '-') { 114 ip->off = 1; 115 ++name; 116 } else 117 ip->off = 0; 118 119 tmp.name = name; 120 if (!(kp = (struct key *)bsearch(&tmp, keys, 121 sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key))) 122 return (0); 123 if (!(kp->flags & F_OFFOK) && ip->off) { 124 syslog(LOG_INFO, "%s: illegal option: %s", printer, name); 125 return (1); 126 } 127 if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) { 128 syslog(LOG_INFO, "%s: option requires an argument: %s", 129 printer, name); 130 return (1); 131 } 132 kp->f(ip); 133 return (1); 134} 135 136void 137f_cbreak(ip) 138 struct info *ip; 139{ 140 141 if (ip->off) 142 f_sane(ip); 143 else { 144 ip->t.c_iflag |= BRKINT|IXON|IMAXBEL; 145 ip->t.c_oflag |= OPOST; 146 ip->t.c_lflag |= ISIG|IEXTEN; 147 ip->t.c_lflag &= ~ICANON; 148 ip->set = 1; 149 } 150} 151 152void 153f_columns(ip) 154 struct info *ip; 155{ 156 157 ip->win.ws_col = atoi(ip->arg); 158 ip->wset = 1; 159} 160 161void 162f_dec(ip) 163 struct info *ip; 164{ 165 166 ip->t.c_cc[VERASE] = (u_char)0177; 167 ip->t.c_cc[VKILL] = CTRL('u'); 168 ip->t.c_cc[VINTR] = CTRL('c'); 169 ip->t.c_lflag &= ~ECHOPRT; 170 ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL; 171 ip->t.c_iflag &= ~IXANY; 172 ip->set = 1; 173} 174 175void 176f_extproc(ip) 177 struct info *ip; 178{ 179 180 if (ip->set) { 181 int tmp = 1; 182 (void)ioctl(ip->fd, TIOCEXT, &tmp); 183 } else { 184 int tmp = 0; 185 (void)ioctl(ip->fd, TIOCEXT, &tmp); 186 } 187} 188 189void 190f_ispeed(ip) 191 struct info *ip; 192{ 193 194 cfsetispeed(&ip->t, atoi(ip->arg)); 195 ip->set = 1; 196} 197 198void 199f_nl(ip) 200 struct info *ip; 201{ 202 203 if (ip->off) { 204 ip->t.c_iflag |= ICRNL; 205 ip->t.c_oflag |= ONLCR; 206 } else { 207 ip->t.c_iflag &= ~ICRNL; 208 ip->t.c_oflag &= ~ONLCR; 209 } 210 ip->set = 1; 211} 212 213void 214f_ospeed(ip) 215 struct info *ip; 216{ 217 218 cfsetospeed(&ip->t, atoi(ip->arg)); 219 ip->set = 1; 220} 221 222void 223f_raw(ip) 224 struct info *ip; 225{ 226 227 if (ip->off) 228 f_sane(ip); 229 else { 230 cfmakeraw(&ip->t); 231 ip->t.c_cflag &= ~(CSIZE|PARENB); 232 ip->t.c_cflag |= CS8; 233 ip->set = 1; 234 } 235} 236 237void 238f_rows(ip) 239 struct info *ip; 240{ 241 242 ip->win.ws_row = atoi(ip->arg); 243 ip->wset = 1; 244} 245 246void 247f_sane(ip) 248 struct info *ip; 249{ 250 251 ip->t.c_cflag = TTYDEF_CFLAG | (ip->t.c_cflag & (CLOCAL|CRTSCTS)); 252 ip->t.c_iflag = TTYDEF_IFLAG; 253 ip->t.c_iflag |= ICRNL; 254 /* preserve user-preference flags in lflag */ 255#define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH) 256 ip->t.c_lflag = TTYDEF_LFLAG | (ip->t.c_lflag & LKEEP); 257 ip->t.c_oflag = TTYDEF_OFLAG; 258 ip->set = 1; 259} 260 261void 262f_tty(ip) 263 struct info *ip; 264{ 265 int tmp; 266 267 tmp = TTYDISC; 268 if (ioctl(0, TIOCSETD, &tmp) < 0) 269 syslog(LOG_ERR, "%s: ioctl(TIOCSETD): %m", printer); 270} 271