freebsd-dev/bin/stty/print.c
Andrey A. Chernov df41cfee75 Back out all drainwait changes. It is enough controllable via sysctl or
comcontrol, having it in stty cause too many problems with existing drivers
and tty access permissings of non-superuser.

Asked-by: bde
2000-04-30 17:04:26 +00:00

289 lines
6.6 KiB
C

/*-
* 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.
* 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
#if 0
static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/types.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "stty.h"
#include "extern.h"
#include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */
static void binit __P((char *));
static void bput __P((char *));
static char *ccval __P((struct cchar *, int));
void
print(tp, wp, ldisc, fmt)
struct termios *tp;
struct winsize *wp;
int ldisc;
enum FMT fmt;
{
struct cchar *p;
long tmp;
u_char *cc;
int cnt, ispeed, ospeed;
char buf1[100], buf2[100];
cnt = 0;
/* Line discipline. */
if (ldisc != TTYDISC) {
switch(ldisc) {
case NTTYDISC:
cnt += printf("new tty disc; ");
break;
case SLIPDISC:
cnt += printf("slip disc; ");
break;
case PPPDISC:
cnt += printf("ppp 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("-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);
switch(tmp & (CCTS_OFLOW | CRTS_IFLOW)) {
case CCTS_OFLOW:
bput("ctsflow");
break;
case CRTS_IFLOW:
bput("rtsflow");
break;
default:
put("-crtscts", CCTS_OFLOW | CRTS_IFLOW, 0);
break;
}
put("-dsrflow", CDSR_OFLOW, 0);
put("-dtrflow", CDTR_IFLOW, 0);
put("-mdmbuf", MDMBUF, 0); /* XXX mdmbuf == dtrflow */
/* 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(p, 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)snprintf(buf1 + cnt * 8, sizeof(buf1) - cnt * 8,
WD, p->name);
(void)snprintf(buf2 + cnt * 8, sizeof(buf2) - cnt * 8,
WD, ccval(p, 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(p, c)
struct cchar *p;
int c;
{
static char buf[5];
char *bp;
if (p->sub == VMIN || p->sub == VTIME) {
(void)snprintf(buf, sizeof(buf), "%d", c);
return (buf);
}
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);
}