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authorKiyoshi Aman <kiyoshi.aman+adelie@gmail.com>2019-02-01 22:55:37 +0000
committerKiyoshi Aman <kiyoshi.aman+adelie@gmail.com>2019-02-03 18:22:05 -0600
commit5b57d28ffb6e1ef86b50f7d05d977826eae89bfe (patch)
tree154a22fe556b49e6927197336f8bf91b12eacd5e /bin/stty/stty.c
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diff --git a/bin/stty/stty.c b/bin/stty/stty.c
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+/* $NetBSD: stty.c,v 1.23 2013/09/12 19:47:23 christos Exp $ */
+
+/*-
+ * Copyright (c) 1989, 1991, 1993, 1994
+ * 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. 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.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1989, 1991, 1993, 1994\
+ The Regents of the University of California. All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)stty.c 8.3 (Berkeley) 4/2/94";
+#else
+__RCSID("$NetBSD: stty.c,v 1.23 2013/09/12 19:47:23 christos Exp $");
+#endif
+#endif /* not lint */
+
+#include <sys/types.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "stty.h"
+#include "extern.h"
+
+int
+main(int argc, char *argv[])
+{
+ struct info i;
+ enum FMT fmt;
+ int ch;
+
+ setprogname(argv[0]);
+ (void)setlocale(LC_ALL, "");
+
+ fmt = STTY_NOTSET;
+ i.fd = STDIN_FILENO;
+
+ opterr = 0;
+ while (optind < argc &&
+ strspn(argv[optind], "-aefg") == strlen(argv[optind]) &&
+ (ch = getopt(argc, argv, "aef:g")) != -1)
+ switch(ch) {
+ case 'a': /* undocumented: POSIX compatibility */
+ fmt = STTY_POSIX;
+ break;
+ case 'e':
+ fmt = STTY_BSD;
+ break;
+ case 'f':
+ if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0)
+ err(1, "%s", optarg);
+ break;
+ case 'g':
+ fmt = STTY_GFLAG;
+ break;
+ case '?':
+ default:
+ goto args;
+ }
+
+args: argc -= optind;
+ argv += optind;
+
+ if (ioctl(i.fd, TIOCGLINED, i.ldisc) < 0)
+ err(1, "TIOCGLINED");
+ if (tcgetattr(i.fd, &i.t) < 0)
+ err(1, "tcgetattr");
+ if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0)
+ warn("TIOCGWINSZ");
+ if (ioctl(i.fd, TIOCGQSIZE, &i.queue) < 0)
+ warn("TIOCGQSIZE");
+
+ switch(fmt) {
+ case STTY_NOTSET:
+ if (*argv)
+ break;
+ /* FALLTHROUGH */
+ case STTY_BSD:
+ case STTY_POSIX:
+ print(&i.t, &i.win, i.queue, i.ldisc, fmt);
+ break;
+ case STTY_GFLAG:
+ gprint(&i.t);
+ 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((unsigned char)**argv)) {
+ int speed;
+
+ speed = atoi(*argv);
+ cfsetospeed(&i.t, speed);
+ cfsetispeed(&i.t, speed);
+ i.set = 1;
+ continue;
+ }
+
+ if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) {
+ gread(&i.t, *argv + sizeof("gfmt1") - 1);
+ i.set = 1;
+ continue;
+ }
+
+ warnx("illegal option -- %s", *argv);
+ usage();
+ }
+
+ if (i.set && tcsetattr(i.fd, 0, &i.t) < 0)
+ err(1, "tcsetattr");
+ if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0)
+ warn("TIOCSWINSZ");
+ exit(0);
+ /* NOTREACHED */
+}
+
+void
+usage(void)
+{
+
+ (void)fprintf(stderr, "usage: %s [-a|-e|-g] [-f file] [operand ...]\n", getprogname());
+ exit(1);
+ /* NOTREACHED */
+}