1 /*- 2 * Copyright (c) 1989, 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char const copyright[] = 36 "@(#) Copyright (c) 1989, 1991, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)stty.c 8.3 (Berkeley) 4/2/94"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 47 48 #include <sys/types.h> 49 50 #include <ctype.h> 51 #include <err.h> 52 #include <errno.h> 53 #include <fcntl.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <unistd.h> 58 59 #include "stty.h" 60 #include "extern.h" 61 62 int main __P((int, char *[])); 63 64 int 65 main(argc, argv) 66 int argc; 67 char *argv[]; 68 { 69 struct info i; 70 enum FMT fmt; 71 int ch; 72 73 fmt = NOTSET; 74 i.fd = STDIN_FILENO; 75 76 opterr = 0; 77 while (optind < argc && 78 strspn(argv[optind], "-aefg") == strlen(argv[optind]) && 79 (ch = getopt(argc, argv, "aef:g")) != -1) 80 switch(ch) { 81 case 'a': /* undocumented: POSIX compatibility */ 82 fmt = POSIX; 83 break; 84 case 'e': 85 fmt = BSD; 86 break; 87 case 'f': 88 if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) 89 err(1, "%s", optarg); 90 break; 91 case 'g': 92 fmt = GFLAG; 93 break; 94 case '?': 95 default: 96 goto args; 97 } 98 99 args: argc -= optind; 100 argv += optind; 101 102 if (tcgetattr(i.fd, &i.t) < 0) 103 errx(1, "stdin isn't a terminal"); 104 if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) 105 err(1, "TIOCGETD"); 106 if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) 107 warn("TIOCGWINSZ"); 108 109 checkredirect(); /* conversion aid */ 110 111 switch(fmt) { 112 case NOTSET: 113 if (*argv) 114 break; 115 /* FALLTHROUGH */ 116 case BSD: 117 case POSIX: 118 print(&i.t, &i.win, i.ldisc, fmt); 119 break; 120 case GFLAG: 121 gprint(&i.t, &i.win, i.ldisc); 122 break; 123 } 124 125 for (i.set = i.wset = 0; *argv; ++argv) { 126 if (ksearch(&argv, &i)) 127 continue; 128 129 if (csearch(&argv, &i)) 130 continue; 131 132 if (msearch(&argv, &i)) 133 continue; 134 135 if (isdigit(**argv)) { 136 speed_t speed; 137 138 speed = atoi(*argv); 139 cfsetospeed(&i.t, speed); 140 cfsetispeed(&i.t, speed); 141 i.set = 1; 142 continue; 143 } 144 145 if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { 146 gread(&i.t, *argv + sizeof("gfmt1") - 1); 147 i.set = 1; 148 continue; 149 } 150 151 warnx("illegal option -- %s", *argv); 152 usage(); 153 } 154 155 if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) 156 err(1, "tcsetattr"); 157 if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) 158 warn("TIOCSWINSZ"); 159 exit(0); 160 } 161 162 void 163 usage() 164 { 165 166 (void)fprintf(stderr, "usage: stty [-a|-e|-g] [-f file] [options]\n"); 167 exit (1); 168 } 169