stty.c revision 59790
11556Srgrimes/*- 21556Srgrimes * Copyright (c) 1989, 1991, 1993, 1994 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * Redistribution and use in source and binary forms, with or without 61556Srgrimes * modification, are permitted provided that the following conditions 71556Srgrimes * are met: 81556Srgrimes * 1. Redistributions of source code must retain the above copyright 91556Srgrimes * notice, this list of conditions and the following disclaimer. 101556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111556Srgrimes * notice, this list of conditions and the following disclaimer in the 121556Srgrimes * documentation and/or other materials provided with the distribution. 131556Srgrimes * 3. All advertising materials mentioning features or use of this software 141556Srgrimes * must display the following acknowledgement: 151556Srgrimes * This product includes software developed by the University of 161556Srgrimes * California, Berkeley and its contributors. 171556Srgrimes * 4. Neither the name of the University nor the names of its contributors 181556Srgrimes * may be used to endorse or promote products derived from this software 191556Srgrimes * without specific prior written permission. 201556Srgrimes * 211556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311556Srgrimes * SUCH DAMAGE. 321556Srgrimes */ 331556Srgrimes 341556Srgrimes#ifndef lint 3520424Sstevestatic char const copyright[] = 361556Srgrimes"@(#) Copyright (c) 1989, 1991, 1993, 1994\n\ 371556Srgrimes The Regents of the University of California. All rights reserved.\n"; 381556Srgrimes#endif /* not lint */ 391556Srgrimes 401556Srgrimes#ifndef lint 4136152Scharnier#if 0 4236152Scharnierstatic char sccsid[] = "@(#)stty.c 8.3 (Berkeley) 4/2/94"; 4336152Scharnier#endif 4436152Scharnierstatic const char rcsid[] = 4550471Speter "$FreeBSD: head/bin/stty/stty.c 59790 2000-04-30 17:12:49Z ache $"; 461556Srgrimes#endif /* not lint */ 471556Srgrimes 481556Srgrimes#include <sys/types.h> 491556Srgrimes 501556Srgrimes#include <ctype.h> 511556Srgrimes#include <err.h> 521556Srgrimes#include <errno.h> 531556Srgrimes#include <fcntl.h> 541556Srgrimes#include <stdio.h> 551556Srgrimes#include <stdlib.h> 561556Srgrimes#include <string.h> 571556Srgrimes#include <unistd.h> 581556Srgrimes 591556Srgrimes#include "stty.h" 601556Srgrimes#include "extern.h" 611556Srgrimes 621556Srgrimesint 638855Srgrimesmain(argc, argv) 641556Srgrimes int argc; 651556Srgrimes char *argv[]; 661556Srgrimes{ 671556Srgrimes struct info i; 681556Srgrimes enum FMT fmt; 691556Srgrimes int ch; 701556Srgrimes 711556Srgrimes fmt = NOTSET; 721556Srgrimes i.fd = STDIN_FILENO; 731556Srgrimes 741556Srgrimes opterr = 0; 751556Srgrimes while (optind < argc && 761556Srgrimes strspn(argv[optind], "-aefg") == strlen(argv[optind]) && 7724348Simp (ch = getopt(argc, argv, "aef:g")) != -1) 781556Srgrimes switch(ch) { 791556Srgrimes case 'a': /* undocumented: POSIX compatibility */ 801556Srgrimes fmt = POSIX; 811556Srgrimes break; 821556Srgrimes case 'e': 831556Srgrimes fmt = BSD; 841556Srgrimes break; 851556Srgrimes case 'f': 861556Srgrimes if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0) 871556Srgrimes err(1, "%s", optarg); 881556Srgrimes break; 891556Srgrimes case 'g': 901556Srgrimes fmt = GFLAG; 911556Srgrimes break; 921556Srgrimes case '?': 931556Srgrimes default: 941556Srgrimes goto args; 951556Srgrimes } 961556Srgrimes 971556Srgrimesargs: argc -= optind; 981556Srgrimes argv += optind; 991556Srgrimes 1009393Sbde if (tcgetattr(i.fd, &i.t) < 0) 1019393Sbde errx(1, "stdin isn't a terminal"); 1021556Srgrimes if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) 1031556Srgrimes err(1, "TIOCGETD"); 1041556Srgrimes if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) 10559790Sache warn("TIOCGWINSZ"); 1061556Srgrimes 1071556Srgrimes checkredirect(); /* conversion aid */ 1081556Srgrimes 1091556Srgrimes switch(fmt) { 1101556Srgrimes case NOTSET: 1111556Srgrimes if (*argv) 1121556Srgrimes break; 1131556Srgrimes /* FALLTHROUGH */ 1141556Srgrimes case BSD: 1151556Srgrimes case POSIX: 11659788Sache print(&i.t, &i.win, i.ldisc, fmt); 1171556Srgrimes break; 1181556Srgrimes case GFLAG: 11959788Sache gprint(&i.t, &i.win, i.ldisc); 1201556Srgrimes break; 1211556Srgrimes } 1228855Srgrimes 12359788Sache for (i.set = i.wset = 0; *argv; ++argv) { 1241556Srgrimes if (ksearch(&argv, &i)) 1251556Srgrimes continue; 1261556Srgrimes 1271556Srgrimes if (csearch(&argv, &i)) 1281556Srgrimes continue; 1291556Srgrimes 1301556Srgrimes if (msearch(&argv, &i)) 1311556Srgrimes continue; 1321556Srgrimes 1331556Srgrimes if (isdigit(**argv)) { 1341556Srgrimes int speed; 1351556Srgrimes 1361556Srgrimes speed = atoi(*argv); 1371556Srgrimes cfsetospeed(&i.t, speed); 1381556Srgrimes cfsetispeed(&i.t, speed); 1391556Srgrimes i.set = 1; 1401556Srgrimes continue; 1411556Srgrimes } 1421556Srgrimes 1431556Srgrimes if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) { 14459788Sache gread(&i.t, *argv + sizeof("gfmt1") - 1); 14559788Sache i.set = 1; 1461556Srgrimes continue; 1471556Srgrimes } 1481556Srgrimes 1491556Srgrimes warnx("illegal option -- %s", *argv); 1501556Srgrimes usage(); 1511556Srgrimes } 1521556Srgrimes 1531556Srgrimes if (i.set && tcsetattr(i.fd, 0, &i.t) < 0) 1541556Srgrimes err(1, "tcsetattr"); 1551556Srgrimes if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0) 1561556Srgrimes warn("TIOCSWINSZ"); 1571556Srgrimes exit(0); 1581556Srgrimes} 1591556Srgrimes 1601556Srgrimesvoid 1611556Srgrimesusage() 1621556Srgrimes{ 1631556Srgrimes 16426468Scharnier (void)fprintf(stderr, "usage: stty [-a|-e|-g] [-f file] [options]\n"); 1651556Srgrimes exit (1); 1661556Srgrimes} 167