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/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <errno.h>
#include <stddef.h>
#include <termios.h>
#undef B0
#undef B50
#undef B75
#undef B110
#undef B134
#undef B150
#undef B200
#undef B300
#undef B600
#undef B1200
#undef B1800
#undef B2400
#undef B4800
#undef B9600
#undef B19200
#undef B38400
#undef EXTA
#undef EXTB
#undef ECHO
#undef TOSTOP
#undef NOFLSH
#undef MDMBUF
#undef FLUSHO
#undef PENDIN
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#define IOCPARM_MASK 0x7f
#define IOC_OUT 0x40000000
#define IOC_IN 0x80000000
#define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
#define _IOW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
#define FIONREAD _IOR('f', 127, int)
#define FIOASYNC _IOW('f', 125, int)
#define TIOCGETP _IOR('t', 8, struct sgttyb)
#define TIOCLGET _IOR('t', 124, int)
#define TIOCLSET _IOW('t', 125, int)
#define TIOCSETN _IOW('t', 10, struct sgttyb)
#define TIOCSETP _IOW('t', 9,struct sgttyb)/* set parameters -- stty */
#define TIOCFLUSH _IOW('t', 16, int) /* flush buffers */
#define TIOCSETC _IOW('t',17,struct tchars)/* set special characters */
#define TIOCGETC _IOR('t',18,struct tchars)/* get special characters */
#define TANDEM 0x00000001 /* send stopc on out q full */
#define CBREAK 0x00000002 /* half-cooked mode */
#define LCASE 0x00000004 /* simulate lower case */
#define ECHO 0x00000008 /* echo input */
#define CRMOD 0x00000010 /* map \r to \r\n on output */
#define RAW 0x00000020 /* no i/o processing */
#define ODDP 0x00000040 /* get/send odd parity */
#define EVENP 0x00000080 /* get/send even parity */
#define ANYP 0x000000c0 /* get any parity/send none */
#define PRTERA 0x00020000 /* \ ... / erase */
#define CRTERA 0x00040000 /* " \b " to wipe out char */
#define TILDE 0x00080000 /* hazeltine tilde kludge */
#define MDMBUF 0x00100000 /* start/stop output on carrier intr */
#define LITOUT 0x00200000 /* literal output */
#define TOSTOP 0x00400000 /* SIGSTOP on background output */
#define FLUSHO 0x00800000 /* flush output to terminal */
#define NOHANG 0x01000000 /* no SIGHUP on carrier drop */
#define L001000 0x02000000
#define CRTKIL 0x04000000 /* kill line with " \b " */
#define PASS8 0x08000000
#define CTLECH 0x10000000 /* echo control chars as ^X */
#define PENDIN 0x20000000 /* tp->t_rawq needs reread */
#define DECCTQ 0x40000000 /* only ^Q starts after ^S */
#define NOFLSH 0x80000000 /* no output flush on signal */
#define TIOCLSET _IOW('t', 125, int) /* set entire local mode word */
#define TIOCLGET _IOR('t', 124, int) /* get local modes */
#define LCRTBS (CRTBS>>16)
#define LPRTERA (PRTERA>>16)
#define LCRTERA (CRTERA>>16)
#define LTILDE (TILDE>>16)
#define LMDMBUF (MDMBUF>>16)
#define LLITOUT (LITOUT>>16)
#define LTOSTOP (TOSTOP>>16)
#define LFLUSHO (FLUSHO>>16)
#define LNOHANG (NOHANG>>16)
#define LCRTKIL (CRTKIL>>16)
#define LPASS8 (PASS8>>16)
#define LCTLECH (CTLECH>>16)
#define LPENDIN (PENDIN>>16)
#define LDECCTQ (DECCTQ>>16)
#define LNOFLSH (NOFLSH>>16)
#define TIOCSLTC _IOW('t',117,struct ltchars)/* set local special chars */
#define TIOCGLTC _IOR('t',116,struct ltchars)/* get local special chars */
#if defined(TIOCGETC) || defined(TIOCSETC)
/* Type of ARG for TIOCGETC and TIOCSETC requests. */
struct tchars
{
char t_intrc; /* Interrupt character. */
char t_quitc; /* Quit character. */
char t_startc; /* Start-output character. */
char t_stopc; /* Stop-output character. */
char t_eofc; /* End-of-file character. */
char t_brkc; /* Input delimiter character. */
};
#define _IOT_tchars /* Hurd ioctl type field. */ \
_IOT (_IOTS (char), 6, 0, 0, 0, 0)
#endif
#if defined(TIOCGLTC) || defined(TIOCSLTC)
/* Type of ARG for TIOCGLTC and TIOCSLTC requests. */
struct ltchars
{
char t_suspc; /* Suspend character. */
char t_dsuspc; /* Delayed suspend character. */
char t_rprntc; /* Reprint-line character. */
char t_flushc; /* Flush-output character. */
char t_werasc; /* Word-erase character. */
char t_lnextc; /* Literal-next character. */
};
#define _IOT_ltchars /* Hurd ioctl type field. */ \
_IOT (_IOTS (char), 6, 0, 0, 0, 0)
#endif
/* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty). */
struct sgttyb
{
char sg_ispeed; /* Input speed. */
char sg_ospeed; /* Output speed. */
char sg_erase; /* Erase character. */
char sg_kill; /* Kill character. */
short int sg_flags; /* Mode flags. */
};
const speed_t __bsd_speeds[] =
{
0,
50,
75,
110,
134,
150,
200,
300,
600,
1200,
1800,
2400,
4800,
9600,
19200,
38400,
};
extern int ioctl ();
/* Set the state of FD to *TERMIOS_P. */
int
tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
{
struct sgttyb buf;
struct tchars tchars;
struct ltchars ltchars;
int local;
#ifdef TIOCGETX
int extra;
#endif
size_t i;
if (ioctl(fd, TIOCGETP, &buf) < 0 ||
ioctl(fd, TIOCGETC, &tchars) < 0 ||
ioctl(fd, TIOCGLTC, <chars) < 0 ||
#ifdef TIOCGETX
ioctl(fd, TIOCGETX, &extra) < 0 ||
#endif
ioctl(fd, TIOCLGET, &local) < 0)
return -1;
if (termios_p == NULL)
{
errno = EINVAL;
return -1;
}
buf.sg_ispeed = buf.sg_ospeed = -1;
for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i)
{
if (__bsd_speeds[i] == termios_p->__ispeed)
buf.sg_ispeed = i;
if (__bsd_speeds[i] == termios_p->__ospeed)
buf.sg_ospeed = i;
}
if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1)
{
errno = EINVAL;
return -1;
}
buf.sg_flags &= ~(CBREAK|RAW);
if (!(termios_p->c_lflag & ICANON))
buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW;
#ifdef LPASS8
if (termios_p->c_oflag & CS8)
local |= LPASS8;
else
local &= ~LPASS8;
#endif
if (termios_p->c_lflag & _NOFLSH)
local |= LNOFLSH;
else
local &= ~LNOFLSH;
if (termios_p->c_oflag & OPOST)
local &= ~LLITOUT;
else
local |= LLITOUT;
#ifdef TIOCGETX
if (termios_p->c_lflag & ISIG)
extra &= ~NOISIG;
else
extra |= NOISIG;
if (termios_p->c_cflag & CSTOPB)
extra |= STOPB;
else
extra &= ~STOPB;
#endif
if (termios_p->c_iflag & ICRNL)
buf.sg_flags |= CRMOD;
else
buf.sg_flags &= ~CRMOD;
if (termios_p->c_iflag & IXOFF)
buf.sg_flags |= TANDEM;
else
buf.sg_flags &= ~TANDEM;
buf.sg_flags &= ~(ODDP|EVENP);
if (!(termios_p->c_cflag & PARENB))
buf.sg_flags |= ODDP | EVENP;
else if (termios_p->c_cflag & PARODD)
buf.sg_flags |= ODDP;
else
buf.sg_flags |= EVENP;
if (termios_p->c_lflag & _ECHO)
buf.sg_flags |= ECHO;
else
buf.sg_flags &= ~ECHO;
if (termios_p->c_lflag & ECHOE)
local |= LCRTERA;
else
local &= ~LCRTERA;
if (termios_p->c_lflag & ECHOK)
local |= LCRTKIL;
else
local &= ~LCRTKIL;
if (termios_p->c_lflag & _TOSTOP)
local |= LTOSTOP;
else
local &= ~LTOSTOP;
buf.sg_erase = termios_p->c_cc[VERASE];
buf.sg_kill = termios_p->c_cc[VKILL];
tchars.t_eofc = termios_p->c_cc[VEOF];
tchars.t_intrc = termios_p->c_cc[VINTR];
tchars.t_quitc = termios_p->c_cc[VQUIT];
ltchars.t_suspc = termios_p->c_cc[VSUSP];
tchars.t_startc = termios_p->c_cc[VSTART];
tchars.t_stopc = termios_p->c_cc[VSTOP];
if (ioctl(fd, TIOCSETP, &buf) < 0 ||
ioctl(fd, TIOCSETC, &tchars) < 0 ||
ioctl(fd, TIOCSLTC, <chars) < 0 ||
#ifdef TIOCGETX
ioctl(fd, TIOCSETX, &extra) < 0 ||
#endif
ioctl(fd, TIOCLSET, &local) < 0)
return -1;
return 0;
}
#undef tcgetattr
/* Put the state of FD into *TERMIOS_P. */
int
tcgetattr (int fd, struct termios *termios_p)
{
struct sgttyb buf;
struct tchars tchars;
struct ltchars ltchars;
int local;
#ifdef TIOCGETX
int extra;
#endif
if (termios_p == NULL)
{
errno = EINVAL;
return -1;
}
if (ioctl(fd, TIOCGETP, &buf) < 0 ||
ioctl(fd, TIOCGETC, &tchars) < 0 ||
ioctl(fd, TIOCGLTC, <chars) < 0 ||
#ifdef TIOCGETX
ioctl(fd, TIOCGETX, &extra) < 0 ||
#endif
ioctl(fd, TIOCLGET, &local) < 0)
return -1;
termios_p->__ispeed = __bsd_speeds[(unsigned char) buf.sg_ispeed];
termios_p->__ospeed = __bsd_speeds[(unsigned char) buf.sg_ospeed];
termios_p->c_iflag = 0;
termios_p->c_oflag = 0;
termios_p->c_cflag = 0;
termios_p->c_lflag = 0;
termios_p->c_oflag |= CREAD | HUPCL;
#ifdef LPASS8
if (local & LPASS8)
termios_p->c_oflag |= CS8;
else
#endif
termios_p->c_oflag |= CS7;
if (!(buf.sg_flags & RAW))
{
termios_p->c_iflag |= IXON;
termios_p->c_cflag |= OPOST;
#ifndef NOISIG
termios_p->c_lflag |= ISIG;
#endif
}
if ((buf.sg_flags & (CBREAK|RAW)) == 0)
termios_p->c_lflag |= ICANON;
if (!(buf.sg_flags & RAW) && !(local & LLITOUT))
termios_p->c_oflag |= OPOST;
if (buf.sg_flags & CRMOD)
termios_p->c_iflag |= ICRNL;
if (buf.sg_flags & TANDEM)
termios_p->c_iflag |= IXOFF;
#ifdef TIOCGETX
if (!(extra & NOISIG))
termios_p->c_lflag |= ISIG;
if (extra & STOPB)
termios_p->c_cflag |= CSTOPB;
#endif
switch (buf.sg_flags & (EVENP|ODDP))
{
case EVENP|ODDP:
break;
case ODDP:
termios_p->c_cflag |= PARODD;
default:
termios_p->c_cflag |= PARENB;
termios_p->c_iflag |= IGNPAR | INPCK;
break;
}
if (buf.sg_flags & ECHO)
termios_p->c_lflag |= _ECHO;
if (local & LCRTERA)
termios_p->c_lflag |= ECHOE;
if (local & LCRTKIL)
termios_p->c_lflag |= ECHOK;
if (local & LTOSTOP)
termios_p->c_lflag |= _TOSTOP;
if (local & LNOFLSH)
termios_p->c_lflag |= _NOFLSH;
termios_p->c_cc[VEOF] = tchars.t_eofc;
termios_p->c_cc[VEOL] = '\n';
termios_p->c_cc[VERASE] = buf.sg_erase;
termios_p->c_cc[VKILL] = buf.sg_kill;
termios_p->c_cc[VINTR] = tchars.t_intrc;
termios_p->c_cc[VQUIT] = tchars.t_quitc;
termios_p->c_cc[VSTART] = tchars.t_startc;
termios_p->c_cc[VSTOP] = tchars.t_stopc;
termios_p->c_cc[VSUSP] = ltchars.t_suspc;
termios_p->c_cc[VMIN] = -1;
termios_p->c_cc[VTIME] = -1;
return 0;
}
|
