BSD 4.4 Lite bin Sources

1 files changed, 161 insertions, 0 deletions

diff --git a/bin/stty/stty.c b/bin/stty/stty.c
new file mode 100644
index 000000000000..4a840c2dc985
--- /dev/null
+++ b/bin/stty/stty.c
@@ -0,0 +1,161 @@
+/*-
+ * 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. 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
+static char copyright[] =
+"@(#) Copyright (c) 1989, 1991, 1993, 1994\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)stty.c	8.3 (Berkeley) 4/2/94";
+#endif /* not lint */
+
+#include <sys/types.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "stty.h"
+#include "extern.h"
+
+int
+main(argc, argv) 
+	int argc;
+	char *argv[];
+{
+	struct info i;
+	enum FMT fmt;
+	int ch;
+
+	fmt = NOTSET;
+	i.fd = STDIN_FILENO;
+
+	opterr = 0;
+	while (optind < argc &&
+	    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(1, "%s", optarg);
+			break;
+		case 'g':
+			fmt = GFLAG;
+			break;
+		case '?':
+		default:
+			goto args;
+		}
+
+args:	argc -= optind;
+	argv += optind;
+
+	if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0)
+		err(1, "TIOCGETD");
+	if (tcgetattr(i.fd, &i.t) < 0)
+		err(1, "tcgetattr");
+	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);
+			i.set = 1;
+			continue;
+		}
+
+		if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) {
+			gread(&i.t, *argv + sizeof("gfmt1") - 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);
+}
+
+void
+usage()
+{
+
+	(void)fprintf(stderr, "usage: stty: [-a|-e|-g] [-f file] [options]\n");
+	exit (1);
+}