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/* Copyright (C) 1991, 1995, 1996 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stddef.h>
#include <termios.h>
static int bad_speed __P ((speed_t speed));
/* Set the state of FD to *TERMIOS_P. */
int
tcsetattr (fd, optional_actions, termios_p)
int fd;
int optional_actions;
const struct termios *termios_p;
{
if (fd < 0)
{
__set_errno (EBADF);
return -1;
}
if (termios_p == NULL)
{
__set_errno (EINVAL);
return -1;
}
switch (optional_actions)
{
case TCSANOW:
case TCSADRAIN:
case TCSAFLUSH:
break;
default:
__set_errno (EINVAL);
return -1;
}
if (bad_speed(termios_p->__ospeed) ||
bad_speed(termios_p->__ispeed == 0 ?
termios_p->__ospeed : termios_p->__ispeed))
{
__set_errno (EINVAL);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
/* Strychnine checking. */
static int
bad_speed (speed)
speed_t speed;
{
switch (speed)
{
case B0:
case B50:
case B75:
case B110:
case B134:
case B150:
case B200:
case B300:
case B600:
case B1200:
case B1800:
case B2400:
case B4800:
case B9600:
case B19200:
case B38400:
return 0;
default:
return 1;
}
}
stub_warning (tcsetattr)
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