+/*-
+ * Copyright (c) 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
+static char sccsid[] = "@(#)print.c 5.4 (Berkeley) 6/10/91";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include "stty.h"
+#include "extern.h"
+
+static void binit __P((char *));
+static void bput __P((char *));
+static char *ccval __P((int));
+
+void
+print(tp, wp, ldisc, fmt)
+ struct termios *tp;
+ struct winsize *wp;
+ int ldisc;
+ enum FMT fmt;
+{
+ register struct cchar *p;
+ register long tmp;
+ register int cnt;
+ register u_char *cc;
+ int ispeed, ospeed;
+ char buf1[100], buf2[100];
+
+ cnt = 0;
+
+ /* Line discipline. */
+ if (ldisc != TTYDISC) {
+ switch(ldisc) {
+ case TABLDISC:
+ cnt += printf("tablet disc; ");
+ break;
+ case SLIPDISC:
+ cnt += printf("slip disc; ");
+ break;
+ default:
+ cnt += printf("#%d disc; ", ldisc);
+ break;
+ }
+ }
+
+ /* Line speed. */
+ ispeed = cfgetispeed(tp);
+ ospeed = cfgetospeed(tp);
+ if (ispeed != ospeed)
+ cnt +=
+ printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed);
+ else
+ cnt += printf("speed %d baud;", ispeed);
+ if (fmt >= BSD)
+ cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col);
+ if (cnt)
+ (void)printf("\n");
+
+#define on(f) ((tmp&f) != 0)
+#define put(n, f, d) \
+ if (fmt >= BSD || on(f) != d) \
+ bput(n + on(f));
+
+ /* "local" flags */
+ tmp = tp->c_lflag;
+ binit("lflags");
+ put("-icanon", ICANON, 1);
+ put("-isig", ISIG, 1);
+ put("-iexten", IEXTEN, 1);
+ put("-echo", ECHO, 1);
+ put("-echoe", ECHOE, 0);
+ put("-echok", ECHOK, 0);
+ put("-echoke", ECHOKE, 0);
+ put("-echonl", ECHONL, 0);
+ put("-echoctl", ECHOCTL, 0);
+ put("-echoprt", ECHOPRT, 0);
+ put("-altwerase", ALTWERASE, 0);
+ put("-noflsh", NOFLSH, 0);
+ put("-tostop", TOSTOP, 0);
+ put("-mdmbuf", MDMBUF, 0);
+ put("-flusho", FLUSHO, 0);
+ put("-pendin", PENDIN, 0);
+ put("-nokerninfo", NOKERNINFO, 0);
+ put("-extproc", EXTPROC, 0);
+
+ /* input flags */
+ tmp = tp->c_iflag;
+ binit("iflags");
+ put("-istrip", ISTRIP, 0);
+ put("-icrnl", ICRNL, 1);
+ put("-inlcr", INLCR, 0);
+ put("-igncr", IGNCR, 0);
+ put("-ixon", IXON, 1);
+ put("-ixoff", IXOFF, 0);
+ put("-ixany", IXANY, 1);
+ put("-imaxbel", IMAXBEL, 1);
+ put("-ignbrk", IGNBRK, 0);
+ put("-brkint", BRKINT, 1);
+ put("-inpck", INPCK, 0);
+ put("-ignpar", IGNPAR, 0);
+ put("-parmrk", PARMRK, 0);
+
+ /* output flags */
+ tmp = tp->c_oflag;
+ binit("oflags");
+ put("-opost", OPOST, 1);
+ put("-onlcr", ONLCR, 1);
+ put("-oxtabs", OXTABS, 1);
+
+ /* control flags (hardware state) */
+ tmp = tp->c_cflag;
+ binit("cflags");
+ put("-cread", CREAD, 1);
+ switch(tmp&CSIZE) {
+ case CS5:
+ bput("cs5");
+ break;
+ case CS6:
+ bput("cs6");
+ break;
+ case CS7:
+ bput("cs7");
+ break;
+ case CS8:
+ bput("cs8");
+ break;
+ }
+ bput("-parenb" + on(PARENB));
+ put("-parodd", PARODD, 0);
+ put("-hupcl", HUPCL, 1);
+ put("-clocal", CLOCAL, 0);
+ put("-cstopb", CSTOPB, 0);
+ put("-crtscts", CRTSCTS, 0);
+
+ /* special control characters */
+ cc = tp->c_cc;
+ if (fmt == POSIX) {
+ binit("cchars");
+ for (p = cchars1; p->name; ++p) {
+ (void)snprintf(buf1, sizeof(buf1), "%s = %s;",
+ p->name, ccval(cc[p->sub]));
+ bput(buf1);
+ }
+ binit(NULL);
+ } else {
+ binit(NULL);
+ for (p = cchars1, cnt = 0; p->name; ++p) {
+ if (fmt != BSD && cc[p->sub] == p->def)
+ continue;
+#define WD "%-8s"
+ (void)sprintf(buf1 + cnt * 8, WD, p->name);
+ (void)sprintf(buf2 + cnt * 8, WD, ccval(cc[p->sub]));
+ if (++cnt == LINELENGTH / 8) {
+ cnt = 0;
+ (void)printf("%s\n", buf1);
+ (void)printf("%s\n", buf2);
+ }
+ }
+ if (cnt) {
+ (void)printf("%s\n", buf1);
+ (void)printf("%s\n", buf2);
+ }
+ }
+}
+
+static int col;
+static char *label;
+
+static void
+binit(lb)
+ char *lb;
+{
+ if (col) {
+ (void)printf("\n");
+ col = 0;
+ }
+ label = lb;
+}
+
+static void
+bput(s)
+ char *s;
+{
+ if (col == 0) {
+ col = printf("%s: %s", label, s);
+ return;
+ }
+ if ((col + strlen(s)) > LINELENGTH) {
+ (void)printf("\n\t");
+ col = printf("%s", s) + 8;
+ return;
+ }
+ col += printf(" %s", s);
+}
+
+static char *
+ccval(c)
+ int c;
+{
+ static char buf[5];
+ char *bp;
+
+ if (c == _POSIX_VDISABLE)
+ return("<undef>");
+
+ bp = buf;
+ if (c & 0200) {
+ *bp++ = 'M';
+ *bp++ = '-';
+ c &= 0177;
+ }
+ if (c == 0177) {
+ *bp++ = '^';
+ *bp++ = '?';
+ }
+ else if (c < 040) {
+ *bp++ = '^';
+ *bp++ = c + '@';
+ }
+ else
+ *bp++ = c;
+ *bp = '\0';
+ return(buf);
+}
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