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-rw-r--r--bin/stty/key.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/bin/stty/key.c b/bin/stty/key.c
new file mode 100644
index 000000000000..12413019f964
--- /dev/null
+++ b/bin/stty/key.c
@@ -0,0 +1,294 @@
+/*-
+ * Copyright (c) 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.
+ * 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
+#if 0
+static char sccsid[] = "@(#)key.c 8.3 (Berkeley) 4/2/94";
+#endif
+#endif /* not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+
+#include <err.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "stty.h"
+#include "extern.h"
+
+__BEGIN_DECLS
+static int c_key(const void *, const void *);
+void f_all(struct info *);
+void f_cbreak(struct info *);
+void f_columns(struct info *);
+void f_dec(struct info *);
+void f_ek(struct info *);
+void f_everything(struct info *);
+void f_extproc(struct info *);
+void f_ispeed(struct info *);
+void f_nl(struct info *);
+void f_ospeed(struct info *);
+void f_raw(struct info *);
+void f_rows(struct info *);
+void f_sane(struct info *);
+void f_size(struct info *);
+void f_speed(struct info *);
+void f_tty(struct info *);
+__END_DECLS
+
+static struct key {
+ const char *name; /* name */
+ void (*f)(struct info *); /* function */
+#define F_NEEDARG 0x01 /* needs an argument */
+#define F_OFFOK 0x02 /* can turn off */
+ int flags;
+} keys[] = {
+ { "all", f_all, 0 },
+ { "cbreak", f_cbreak, F_OFFOK },
+ { "cols", f_columns, F_NEEDARG },
+ { "columns", f_columns, F_NEEDARG },
+ { "cooked", f_sane, 0 },
+ { "dec", f_dec, 0 },
+ { "ek", f_ek, 0 },
+ { "everything", f_everything, 0 },
+ { "extproc", f_extproc, F_OFFOK },
+ { "ispeed", f_ispeed, F_NEEDARG },
+ { "new", f_tty, 0 },
+ { "nl", f_nl, F_OFFOK },
+ { "old", f_tty, 0 },
+ { "ospeed", f_ospeed, F_NEEDARG },
+ { "raw", f_raw, F_OFFOK },
+ { "rows", f_rows, F_NEEDARG },
+ { "sane", f_sane, 0 },
+ { "size", f_size, 0 },
+ { "speed", f_speed, 0 },
+ { "tty", f_tty, 0 },
+};
+
+static int
+c_key(const void *a, const void *b)
+{
+
+ return (strcmp(((const struct key *)a)->name, ((const struct key *)b)->name));
+}
+
+int
+ksearch(char ***argvp, struct info *ip)
+{
+ char *name;
+ struct key *kp, tmp;
+
+ name = **argvp;
+ if (*name == '-') {
+ ip->off = 1;
+ ++name;
+ } else
+ ip->off = 0;
+
+ tmp.name = name;
+ if (!(kp = (struct key *)bsearch(&tmp, keys,
+ sizeof(keys)/sizeof(struct key), sizeof(struct key), c_key)))
+ return (0);
+ if (!(kp->flags & F_OFFOK) && ip->off) {
+ warnx("illegal option -- -%s", name);
+ usage();
+ }
+ if (kp->flags & F_NEEDARG && !(ip->arg = *++*argvp)) {
+ warnx("option requires an argument -- %s", name);
+ usage();
+ }
+ kp->f(ip);
+ return (1);
+}
+
+void
+f_all(struct info *ip)
+{
+ print(&ip->t, &ip->win, ip->ldisc, BSD);
+}
+
+void
+f_cbreak(struct info *ip)
+{
+
+ if (ip->off)
+ f_sane(ip);
+ else {
+ ip->t.c_iflag |= BRKINT|IXON|IMAXBEL;
+ ip->t.c_oflag |= OPOST;
+ ip->t.c_lflag |= ISIG|IEXTEN;
+ ip->t.c_lflag &= ~ICANON;
+ ip->set = 1;
+ }
+}
+
+void
+f_columns(struct info *ip)
+{
+
+ ip->win.ws_col = atoi(ip->arg);
+ ip->wset = 1;
+}
+
+void
+f_dec(struct info *ip)
+{
+
+ ip->t.c_cc[VERASE] = (u_char)0177;
+ ip->t.c_cc[VKILL] = CTRL('u');
+ ip->t.c_cc[VINTR] = CTRL('c');
+ ip->t.c_lflag &= ~ECHOPRT;
+ ip->t.c_lflag |= ECHOE|ECHOKE|ECHOCTL;
+ ip->t.c_iflag &= ~IXANY;
+ ip->set = 1;
+}
+
+void
+f_ek(struct info *ip)
+{
+
+ ip->t.c_cc[VERASE] = CERASE;
+ ip->t.c_cc[VKILL] = CKILL;
+ ip->set = 1;
+}
+
+void
+f_everything(struct info *ip)
+{
+
+ print(&ip->t, &ip->win, ip->ldisc, BSD);
+}
+
+void
+f_extproc(struct info *ip)
+{
+
+ if (ip->off) {
+ int tmp = 0;
+ (void)ioctl(ip->fd, TIOCEXT, &tmp);
+ } else {
+ int tmp = 1;
+ (void)ioctl(ip->fd, TIOCEXT, &tmp);
+ }
+}
+
+void
+f_ispeed(struct info *ip)
+{
+
+ cfsetispeed(&ip->t, (speed_t)atoi(ip->arg));
+ ip->set = 1;
+}
+
+void
+f_nl(struct info *ip)
+{
+
+ if (ip->off) {
+ ip->t.c_iflag |= ICRNL;
+ ip->t.c_oflag |= ONLCR;
+ } else {
+ ip->t.c_iflag &= ~ICRNL;
+ ip->t.c_oflag &= ~ONLCR;
+ }
+ ip->set = 1;
+}
+
+void
+f_ospeed(struct info *ip)
+{
+
+ cfsetospeed(&ip->t, (speed_t)atoi(ip->arg));
+ ip->set = 1;
+}
+
+void
+f_raw(struct info *ip)
+{
+
+ if (ip->off)
+ f_sane(ip);
+ else {
+ cfmakeraw(&ip->t);
+ ip->t.c_cflag &= ~(CSIZE|PARENB);
+ ip->t.c_cflag |= CS8;
+ ip->set = 1;
+ }
+}
+
+void
+f_rows(struct info *ip)
+{
+
+ ip->win.ws_row = atoi(ip->arg);
+ ip->wset = 1;
+}
+
+void
+f_sane(struct info *ip)
+{
+ struct termios def;
+
+ cfmakesane(&def);
+ ip->t.c_cflag = def.c_cflag | (ip->t.c_cflag & CLOCAL);
+ ip->t.c_iflag = def.c_iflag;
+ /* preserve user-preference flags in lflag */
+#define LKEEP (ECHOKE|ECHOE|ECHOK|ECHOPRT|ECHOCTL|ALTWERASE|TOSTOP|NOFLSH)
+ ip->t.c_lflag = def.c_lflag | (ip->t.c_lflag & LKEEP);
+ ip->t.c_oflag = def.c_oflag;
+ ip->set = 1;
+}
+
+void
+f_size(struct info *ip)
+{
+
+ (void)printf("%d %d\n", ip->win.ws_row, ip->win.ws_col);
+}
+
+void
+f_speed(struct info *ip)
+{
+
+ (void)printf("%lu\n", (u_long)cfgetospeed(&ip->t));
+}
+
+void
+f_tty(struct info *ip)
+{
+ int tmp;
+
+ tmp = TTYDISC;
+ if (ioctl(ip->fd, TIOCSETD, &tmp) < 0)
+ err(1, "TIOCSETD");
+}