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- /*-
- * Copyright (c) 1989, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1989, 1991 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)stty.c 5.28 (Berkeley) 6/5/91";
- #endif /* not lint */
-
- #include <sys/types.h>
- #include <fcntl.h>
- #include <errno.h>
- #include <unistd.h>
- #include <stdio.h>
- #include <ctype.h>
- #include <stdlib.h>
- #include <string.h>
- #include "stty.h"
- #include "extern.h"
-
- char *usage = "usage: stty: [-eg] [-f file] [options]";
-
- main(argc, argv)
- int argc;
- char **argv;
- {
- struct info i;
- enum FMT fmt;
- int ch;
-
- fmt = NOTSET;
- i.fd = STDIN_FILENO;
-
- opterr = 0;
- while (strspn(argv[optind], "-aefg") == strlen(argv[optind]) &&
- (ch = getopt(argc, argv, "aef:g")) != EOF)
- switch(ch) {
- case 'a': /* undocumented: POSIX compatibility */
- fmt = POSIX;
- break;
- case 'e':
- fmt = BSD;
- break;
- case 'f':
- if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0)
- err("%s: %s", optarg, strerror(errno));
- break;
- case 'g':
- fmt = GFLAG;
- break;
- case '?':
- default:
- goto args;
- }
-
- args: argc -= optind;
- argv += optind;
-
- if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0)
- err("TIOCGETD: %s", strerror(errno));
- if (tcgetattr(i.fd, &i.t) < 0)
- err("tcgetattr: %s", strerror(errno));
- if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0)
- warn("TIOCGWINSZ: %s\n", strerror(errno));
-
- checkredirect(); /* conversion aid */
-
- switch(fmt) {
- case NOTSET:
- if (*argv)
- break;
- /* FALLTHROUGH */
- case BSD:
- case POSIX:
- print(&i.t, &i.win, i.ldisc, fmt);
- break;
- case GFLAG:
- gprint(&i.t, &i.win, i.ldisc);
- break;
- }
-
- for (i.set = i.wset = 0; *argv; ++argv) {
- if (ksearch(&argv, &i))
- continue;
-
- if (csearch(&argv, &i))
- continue;
-
- if (msearch(&argv, &i))
- continue;
-
- if (isdigit(**argv)) {
- int speed;
-
- speed = atoi(*argv);
- cfsetospeed(&i.t, speed);
- cfsetispeed(&i.t, speed);
- continue;
- }
-
- if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) {
- gread(&i.t, *argv + sizeof("gfmt1") - 1);
- continue;
- }
-
- err("illegal option -- %s\n%s", *argv, usage);
- }
-
- if (i.set && tcsetattr(i.fd, 0, &i.t) < 0)
- err("tcsetattr: %s", strerror(errno));
- if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0)
- warn("TIOCSWINSZ: %s", strerror(errno));
- exit(0);
- }
-