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