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strace/term.c
Roland McGrath 6e87ee0d5c 2003-01-13 Roland McGrath <roland@redhat.com> 
* term.c [LINUX]: Get kernel definition of struct termios.
	From Anton Blanchard <anton@samba.org>.
2003-01-14 07:53:40 +00:00

463 lines
9.4 KiB
C
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/*
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $Id$
*/
#include "defs.h"
#ifdef LINUX
/*
* The C library's definition of struct termios might differ from
* the kernel one, and we need to use the kernel layout.
*/
#include <linux/termios.h>
#else
#ifdef HAVE_TERMIO_H
#include <termio.h>
#endif /* HAVE_TERMIO_H */
#include <termios.h>
#endif
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
static struct xlat tcxonc_options[] = {
{ TCOOFF, "TCOOFF" },
{ TCOON, "TCOON" },
{ TCIOFF, "TCIOFF" },
{ TCION, "TCION" },
{ 0, NULL },
};
#ifdef TCLFLSH
static struct xlat tcflsh_options[] = {
{ TCIFLUSH, "TCIFLUSH" },
{ TCOFLUSH, "TCOFLUSH" },
{ TCIOFLUSH, "TCIOFLUSH" },
{ 0, NULL },
};
#endif
static struct xlat baud_options[] = {
{ B0, "B0" },
{ B50, "B50" },
{ B75, "B75" },
{ B110, "B110" },
{ B134, "B134" },
{ B150, "B150" },
{ B200, "B200" },
{ B300, "B300" },
{ B600, "B600" },
{ B1200, "B1200" },
{ B1800, "B1800" },
{ B2400, "B2400" },
{ B4800, "B4800" },
{ B9600, "B9600" },
#ifdef B19200
{ B19200, "B19200" },
#endif
#ifdef B38400
{ B38400, "B38400" },
#endif
#ifdef B57600
{ B57600, "B57600" },
#endif
#ifdef B115200
{ B115200, "B115200" },
#endif
#ifdef B230400
{ B230400, "B230400" },
#endif
#ifdef B460800
{ B460800, "B460800" },
#endif
#ifdef B500000
{ B500000, "B500000" },
#endif
#ifdef B576000
{ B576000, "B576000" },
#endif
#ifdef B921600
{ B921600, "B921600" },
#endif
#ifdef B1000000
{ B1000000, "B1000000" },
#endif
#ifdef B1152000
{ B1152000, "B1152000" },
#endif
#ifdef B1500000
{ B1500000, "B1500000" },
#endif
#ifdef B2000000
{ B2000000, "B2000000" },
#endif
#ifdef B2500000
{ B2500000, "B2500000" },
#endif
#ifdef B3000000
{ B3000000, "B3000000" },
#endif
#ifdef B3500000
{ B3500000, "B3500000" },
#endif
#ifdef B4000000
{ B4000000, "B4000000" },
#endif
#ifdef EXTA
{ EXTA, "EXTA" },
#endif
#ifdef EXTB
{ EXTB, "EXTB" },
#endif
{ 0, NULL },
};
static struct xlat modem_flags[] = {
#ifdef TIOCM_LE
{ TIOCM_LE, "TIOCM_LE", },
#endif
#ifdef TIOCM_DTR
{ TIOCM_DTR, "TIOCM_DTR", },
#endif
#ifdef TIOCM_RTS
{ TIOCM_RTS, "TIOCM_RTS", },
#endif
#ifdef TIOCM_ST
{ TIOCM_ST, "TIOCM_ST", },
#endif
#ifdef TIOCM_SR
{ TIOCM_SR, "TIOCM_SR", },
#endif
#ifdef TIOCM_CTS
{ TIOCM_CTS, "TIOCM_CTS", },
#endif
#ifdef TIOCM_CAR
{ TIOCM_CAR, "TIOCM_CAR", },
#endif
#ifdef TIOCM_CD
{ TIOCM_CD, "TIOCM_CD", },
#endif
#ifdef TIOCM_RNG
{ TIOCM_RNG, "TIOCM_RNG", },
#endif
#ifdef TIOCM_RI
{ TIOCM_RI, "TIOCM_RI", },
#endif
#ifdef TIOCM_DSR
{ TIOCM_DSR, "TIOCM_DSR", },
#endif
{ 0, NULL, },
};
int
term_ioctl(tcp, code, arg)
struct tcb *tcp;
long code, arg;
{
struct termios tios;
#ifndef FREEBSD
struct termio tio;
#else
#define TCGETS TIOCGETA
#define TCSETS TIOCSETA
#define TCSETSW TIOCSETAW
#define TCSETSF TIOCSETAF
#endif
struct winsize ws;
#ifdef TIOCGSIZE
struct ttysize ts;
#endif
int i;
if (entering(tcp))
return 0;
switch (code) {
/* ioctls with termios or termio args */
#ifdef TCGETS
case TCGETS:
if (syserror(tcp))
return 0;
case TCSETS:
case TCSETSW:
case TCSETSF:
if (!verbose(tcp) || umove(tcp, arg, &tios) < 0)
return 0;
if (abbrev(tcp)) {
tprintf(", {");
#ifndef FREEBSD
printxval(baud_options, tios.c_cflag & CBAUD, "B???");
#else
printxval(baud_options, tios.c_ispeed, "B???");
if (tios.c_ispeed != tios.c_ospeed) {
tprintf(" (in)");
printxval(baud_options, tios.c_ospeed, "B???");
tprintf(" (out)");
}
#endif
tprintf(" %sopost %sisig %sicanon %secho ...}",
(tios.c_oflag & OPOST) ? "" : "-",
(tios.c_lflag & ISIG) ? "" : "-",
(tios.c_lflag & ICANON) ? "" : "-",
(tios.c_lflag & ECHO) ? "" : "-");
return 1;
}
tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
(long) tios.c_iflag, (long) tios.c_oflag);
tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
(long) tios.c_cflag, (long) tios.c_lflag);
#if !defined(SVR4) && !defined(FREEBSD)
tprintf("c_line=%u, ", tios.c_line);
#endif
if (!(tios.c_lflag & ICANON))
tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
tios.c_cc[VMIN], tios.c_cc[VTIME]);
tprintf("c_cc=\"");
for (i = 0; i < NCCS; i++)
tprintf("\\x%02x", tios.c_cc[i]);
tprintf("\"}");
return 1;
#endif /* TCGETS */
#ifdef TCGETA
case TCGETA:
if (syserror(tcp))
return 0;
case TCSETA:
case TCSETAW:
case TCSETAF:
if (!verbose(tcp) || umove(tcp, arg, &tio) < 0)
return 0;
if (abbrev(tcp)) {
tprintf(", {");
printxval(baud_options, tio.c_cflag & CBAUD, "B???");
tprintf(" %sopost %sisig %sicanon %secho ...}",
(tio.c_oflag & OPOST) ? "" : "-",
(tio.c_lflag & ISIG) ? "" : "-",
(tio.c_lflag & ICANON) ? "" : "-",
(tio.c_lflag & ECHO) ? "" : "-");
return 1;
}
tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
(long) tio.c_iflag, (long) tio.c_oflag);
tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
(long) tio.c_cflag, (long) tio.c_lflag);
tprintf("c_line=%u, ", tio.c_line);
#ifdef _VMIN
if (!(tio.c_lflag & ICANON))
tprintf("c_cc[_VMIN]=%d, c_cc[_VTIME]=%d, ",
tio.c_cc[_VMIN], tio.c_cc[_VTIME]);
#else /* !_VMIN */
if (!(tio.c_lflag & ICANON))
tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
tio.c_cc[VMIN], tio.c_cc[VTIME]);
#endif /* !_VMIN */
tprintf("c_cc=\"");
for (i = 0; i < NCC; i++)
tprintf("\\x%02x", tio.c_cc[i]);
tprintf("\"}");
return 1;
#endif /* TCGETA */
/* ioctls with winsize or ttysize args */
#ifdef TIOCGWINSZ
case TIOCGWINSZ:
if (syserror(tcp))
return 0;
case TIOCSWINSZ:
if (!verbose(tcp) || umove(tcp, arg, &ws) < 0)
return 0;
tprintf(", {ws_row=%d, ws_col=%d, ws_xpixel=%d, ws_ypixel=%d}",
ws.ws_row, ws.ws_col, ws.ws_xpixel, ws.ws_ypixel);
return 1;
#endif /* TIOCGWINSZ */
#ifdef TIOCGSIZE
case TIOCGSIZE:
if (syserror(tcp))
return 0;
case TIOCSSIZE:
if (!verbose(tcp) || umove(tcp, arg, &ts) < 0)
return 0;
tprintf(", {ts_lines=%d, ts_cols=%d}",
ts.ts_lines, ts.ts_cols);
return 1;
#endif
/* ioctls with a direct decodable arg */
#ifdef TCXONC
case TCXONC:
tprintf(", ");
printxval(tcxonc_options, arg, "TC???");
return 1;
#endif
#ifdef TCLFLSH
case TCFLSH:
tprintf(", ");
printxval(tcflsh_options, arg, "TC???");
return 1;
#endif
/* ioctls with an indirect parameter displayed as modem flags */
#ifdef TIOCMGET
case TIOCMGET:
case TIOCMBIS:
case TIOCMBIC:
case TIOCMSET:
if (umove(tcp, arg, &arg) < 0)
return 0;
tprintf(", [");
if (!printflags(modem_flags, arg))
tprintf("0");
tprintf("]");
return 1;
#endif /* TIOCMGET */
/* ioctls with an indirect parameter displayed in decimal */
case TIOCSPGRP:
case TIOCGPGRP:
#ifdef TIOCGETPGRP
case TIOCGETPGRP:
#endif
#ifdef TIOCSETPGRP
case TIOCSETPGRP:
#endif
#ifdef FIONREAD
case FIONREAD:
#endif
case TIOCOUTQ:
#ifdef FIONBIO
case FIONBIO:
#endif
#ifdef FIOASYNC
case FIOASYNC:
#endif
#ifdef FIOGETOWN
case FIOGETOWN:
#endif
#ifdef FIOSETOWN
case FIOSETOWN:
#endif
#ifdef TIOCGETD
case TIOCGETD:
#endif
#ifdef TIOCSETD
case TIOCSETD:
#endif
#ifdef TIOCPKT
case TIOCPKT:
#endif
#ifdef TIOCREMOTE
case TIOCREMOTE:
#endif
#ifdef TIOCUCNTL
case TIOCUCNTL:
#endif
#ifdef TIOCTCNTL
case TIOCTCNTL:
#endif
#ifdef TIOCSIGNAL
case TIOCSIGNAL:
#endif
#ifdef TIOCSSOFTCAR
case TIOCSSOFTCAR:
#endif
#ifdef TIOCGSOFTCAR
case TIOCGSOFTCAR:
#endif
#ifdef TIOCISPACE
case TIOCISPACE:
#endif
#ifdef TIOCISIZE
case TIOCISIZE:
#endif
#ifdef TIOCSINTR
case TIOCSINTR:
#endif
#ifdef TIOCSPTLCK
case TIOCSPTLCK:
#endif
#ifdef TIOCGPTN
case TIOCGPTN:
#endif
tprintf(", ");
printnum(tcp, arg, "%d");
return 1;
#if 0
/* ioctls with an indirect parameter displayed in hex */
tprintf(", ");
printnum(tcp, arg, "%#x");
return 1;
#endif
/* ioctls with an indirect parameter displayed as a char */
#ifdef TIOCSTI
case TIOCSTI:
#endif
tprintf(", ");
printstr(tcp, arg, 1);
return 1;
/* ioctls with no parameters */
#ifdef TIOCSCTTY
case TIOCSCTTY:
#endif
#ifdef TIOCNOTTY
case TIOCNOTTY:
#endif
#ifdef FIOCLEX
case FIOCLEX:
#endif
#ifdef FIONCLEX
case FIONCLEX:
#endif
#ifdef TIOCCONS
case TIOCCONS:
#endif
return 1;
/* ioctls which are unknown */
default:
return 0;
}
}
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