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 #include <sys/types.h> 43 44 #include <ctype.h> 45 #include <err.h> 46 #include <fcntl.h> 47 #include <limits.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <unistd.h> 52 53 #include "stty.h" 54 #include "extern.h" 55 56 int 57 main(int argc, char *argv[]) 58 { 59 struct info i; 60 enum FMT fmt; 61 int ch; 62 const char *file, *errstr = NULL; 63 64 fmt = NOTSET; 65 i.fd = STDIN_FILENO; 66 file = "stdin"; 67 68 opterr = 0; 69 while (optind < argc && 70 strspn(argv[optind], "-aefg") == strlen(argv[optind]) && 71 (ch = getopt(argc, argv, "aef:g")) != -1) 72 switch(ch) { 73 case 'a': /* undocumented: POSIX compatibility */ 74 fmt = POSIX; 75 break; 76 case 'e': 77 fmt = BSD; 78 break; 79 case 'f': 80 if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) 81 err(1, "%s", optarg); 82 file = optarg; 83 break; 84 case 'g': 85 fmt = GFLAG; 86 break; 87 case '?': 88 default: 89 goto args; 90 } 91 92 args: argc -= optind; 93 argv += optind; 94 95 if (tcgetattr(i.fd, &i.t) < 0) 96 errx(1, "%s isn't a terminal", file); 97 if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) 98 err(1, "TIOCGETD"); 99 if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) 100 warn("TIOCGWINSZ"); 101 102 checkredirect(); /* conversion aid */ 103 104 switch(fmt) { 105 case NOTSET: 106 if (*argv) 107 break; 108 /* FALLTHROUGH */ 109 case BSD: 110 case POSIX: 111 print(&i.t, &i.win, i.ldisc, fmt); 112 break; 113 case GFLAG: 114 gprint(&i.t, &i.win, i.ldisc); 115 break; 116 } 117 118 for (i.set = i.wset = 0; *argv; ++argv) { 119 if (ksearch(&argv, &i)) 120 continue; 121 122 if (csearch(&argv, &i)) 123 continue; 124 125 if (msearch(&argv, &i)) 126 continue; 127 128 if (isdigit(**argv)) { 129 speed_t speed; 130 131 speed = strtonum(*argv, 0, UINT_MAX, &errstr); 132 if (errstr) 133 err(1, "speed"); 134 cfsetospeed(&i.t, speed); 135 cfsetispeed(&i.t, speed); 136 i.set = 1; 137 continue; 138 } 139 140 if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { 141 gread(&i.t, *argv + sizeof("gfmt1") - 1); 142 i.set = 1; 143 continue; 144 } 145 146 warnx("illegal option -- %s", *argv); 147 usage(); 148 } 149 150 if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) 151 err(1, "tcsetattr"); 152 if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) 153 warn("TIOCSWINSZ"); 154 exit(0); 155 } 156 157 void 158 usage(void) 159 { 160 161 (void)fprintf(stderr, 162 "usage: stty [-a | -e | -g] [-f file] [arguments]\n"); 163 exit (1); 164 } 165