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/* Copyright (C) 1992 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 <ansidecl.h>
#include <errno.h>
#include <stddef.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sysv_termio.h>
CONST speed_t __unix_speeds[] =
{
0,
50,
75,
110,
134,
150,
200,
300,
600,
1200,
1800,
2400,
4800,
9600,
19200,
38400,
};
/* Set the state of FD to *TERMIOS_P. */
int
DEFUN(tcsetattr, (fd, optional_actions, termios_p),
int fd AND int optional_actions AND CONST struct termios *termios_p)
{
struct __sysv_termio buf;
int ioctl_function;
size_t i;
if (termios_p == NULL)
{
errno = EINVAL;
return -1;
}
switch (optional_actions)
{
case TCSANOW:
ioctl_function = _TCSETA;
break;
case TCSADRAIN:
ioctl_function = _TCSETAW;
break;
case TCSAFLUSH:
ioctl_function = _TCSETAF;
break;
default:
errno = EINVAL;
return -1;
}
if (termios_p->__ispeed != termios_p->__ospeed)
{
errno = EINVAL;
return -1;
}
buf.c_cflag = -1;
for (i = 0; i <= sizeof (__unix_speeds) / sizeof (__unix_speeds[0]); ++i)
{
if (__unix_speeds[i] == termios_p->__ispeed)
buf.c_cflag = i;
}
if (buf.c_cflag == -1)
{
errno = EINVAL;
return -1;
}
buf.c_iflag = 0;
if (termios_p->c_iflag & IGNBRK)
buf.c_iflag |= _SYSV_IGNBRK;
if (termios_p->c_iflag & BRKINT)
buf.c_iflag |= _SYSV_BRKINT;
if (termios_p->c_iflag & IGNPAR)
buf.c_iflag |= _SYSV_IGNPAR;
if (termios_p->c_iflag & PARMRK)
buf.c_iflag |= _SYSV_PARMRK;
if (termios_p->c_iflag & INPCK)
buf.c_iflag |= _SYSV_INPCK;
if (termios_p->c_iflag & ISTRIP)
buf.c_iflag |= _SYSV_ISTRIP;
if (termios_p->c_iflag & INLCR)
buf.c_iflag |= _SYSV_INLCR;
if (termios_p->c_iflag & IGNCR)
buf.c_iflag |= _SYSV_IGNCR;
if (termios_p->c_iflag & ICRNL)
buf.c_iflag |= _SYSV_ICRNL;
if (termios_p->c_iflag & IXON)
buf.c_iflag |= _SYSV_IXON;
if (termios_p->c_iflag & IXOFF)
buf.c_iflag |= _SYSV_IXOFF;
if (termios_p->c_iflag & IXANY)
buf.c_iflag |= _SYSV_IXANY;
if (termios_p->c_iflag & IMAXBEL)
buf.c_iflag |= _SYSV_IMAXBEL;
buf.c_oflag = 0;
if (termios_p->c_oflag & OPOST)
buf.c_oflag = _SYSV_OPOST;
if (termios_p->c_oflag & ONLCR)
buf.c_oflag = _SYSV_ONLCR;
/* So far, buf.c_cflag contains the speed in CBAUD. */
if (termios_p->c_cflag & CSTOPB)
buf.c_cflag |= _SYSV_CSTOPB;
if (termios_p->c_cflag & CREAD)
buf.c_cflag |= _SYSV_CREAD;
if (termios_p->c_cflag & PARENB)
buf.c_cflag |= _SYSV_PARENB;
if (termios_p->c_cflag & PARODD)
buf.c_cflag |= _SYSV_PARODD;
if (termios_p->c_cflag & HUPCL)
buf.c_cflag |= _SYSV_HUPCL;
if (termios_p->c_cflag & CLOCAL)
buf.c_cflag |= _SYSV_CLOCAL;
switch (termios_p->c_cflag & CSIZE)
{
case CS5:
buf.c_cflag |= _SYSV_CS5;
break;
case CS6:
buf.c_cflag |= _SYSV_CS6;
break;
case CS7:
buf.c_cflag |= _SYSV_CS7;
break;
case CS8:
buf.c_cflag |= _SYSV_CS8;
break;
}
buf.c_lflag = 0;
if (termios_p->c_lflag & ISIG)
buf.c_lflag |= _SYSV_ISIG;
if (termios_p->c_lflag & ICANON)
buf.c_lflag |= _SYSV_ICANON;
if (termios_p->c_lflag & ECHO)
buf.c_lflag |= _SYSV_ECHO;
if (termios_p->c_lflag & ECHOE)
buf.c_lflag |= _SYSV_ECHOE;
if (termios_p->c_lflag & ECHOK)
buf.c_lflag |= _SYSV_ECHOK;
if (termios_p->c_lflag & ECHONL)
buf.c_lflag |= _SYSV_ECHONL;
if (termios_p->c_lflag & NOFLSH)
buf.c_lflag |= _SYSV_NOFLSH;
if (termios_p->c_lflag & TOSTOP)
buf.c_lflag |= _SYSV_TOSTOP;
if (termios_p->c_lflag & ECHOCTL)
buf.c_lflag |= _SYSV_ECHOCTL;
if (termios_p->c_lflag & ECHOPRT)
buf.c_lflag |= _SYSV_ECHOPRT;
if (termios_p->c_lflag & ECHOKE)
buf.c_lflag |= _SYSV_ECHOKE;
if (termios_p->c_lflag & FLUSHO)
buf.c_lflag |= _SYSV_FLUSHO;
if (termios_p->c_lflag & PENDIN)
buf.c_lflag |= _SYSV_PENDIN;
if (termios_p->c_lflag & IEXTEN)
buf.c_lflag |= _SYSV_IEXTEN;
buf.c_cc[_SYSV_VINTR] = termios_p->c_cc[VINTR];
buf.c_cc[_SYSV_VQUIT] = termios_p->c_cc[VQUIT];
buf.c_cc[_SYSV_VERASE] = termios_p->c_cc[VERASE];
buf.c_cc[_SYSV_VKILL] = termios_p->c_cc[VKILL];
if (buf.c_lflag & _SYSV_ICANON)
{
buf.c_cc[_SYSV_VEOF] = termios_p->c_cc[VEOF];
buf.c_cc[_SYSV_VEOL] = termios_p->c_cc[VEOL];
}
else
{
buf.c_cc[_SYSV_VMIN] = termios_p->c_cc[VMIN];
buf.c_cc[_SYSV_VTIME] = termios_p->c_cc[VTIME];
}
buf.c_cc[_SYSV_VEOL2] = termios_p->c_cc[VEOL2];
if (__ioctl (fd, ioctl_function, &buf) < 0)
return -1;
return 0;
}
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