NetBSD-5.0.2/bin/stty/print.c
/* $NetBSD: print.c,v 1.22 2005/06/26 19:10:49 christos Exp $ */
/*-
* 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. 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
#if 0
static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
#else
__RCSID("$NetBSD: print.c,v 1.22 2005/06/26 19:10:49 christos Exp $");
#endif
#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(const char *);
static void bput(const char *);
static const char *ccval(const struct cchar *, int);
void
print(struct termios *tp, struct winsize *wp, int ldisc, enum FMT fmt)
{
const struct cchar *p;
long tmp;
u_char *cc;
int cnt, ispeed, ospeed;
char buf1[100], buf2[100];
cnt = 0;
/* Line discipline. */
#ifdef TTYDISC
if (ldisc != TTYDISC) {
switch(ldisc) {
case TABLDISC:
cnt += printf("tablet disc; ");
break;
case SLIPDISC:
cnt += printf("slip disc; ");
break;
case PPPDISC:
cnt += printf("ppp disc; ");
break;
case STRIPDISC:
cnt += printf("strip disc; ");
break;
default:
cnt += printf("#%d disc; ", ldisc);
break;
}
}
#endif
/* 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 >= STTY_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 >= STTY_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("-ocrnl", OCRNL, 0);
put("-oxtabs", OXTABS, 1);
put("-onocr", OXTABS, 0);
put("-onlret", OXTABS, 0);
/* 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);
put("-mdmbuf", MDMBUF, 0);
put("-cdtrcts", CDTRCTS, 0);
/* special control characters */
cc = tp->c_cc;
if (fmt == STTY_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 != STTY_BSD && cc[p->sub] == p->def)
continue;
#define WD "%-8s"
(void)snprintf(buf1 + cnt * 8, 9, WD, p->name);
(void)snprintf(buf2 + cnt * 8, 9, 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 const char *label;
static void
binit(const char *lb)
{
if (col) {
(void)printf("\n");
col = 0;
}
label = lb;
}
static void
bput(const 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 const char *
ccval(const struct cchar *p, int c)
{
static char buf[5];
char *bp;
if (c == _POSIX_VDISABLE)
return ("<undef>");
if (p->sub == VMIN || p->sub == VTIME) {
(void)snprintf(buf, sizeof(buf), "%d", c);
return (buf);
}
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);
}