107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
/* Copyright (C) 1991-2015 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <stddef.h>
|
|
#include <termios.h>
|
|
|
|
static int bad_speed (speed_t speed);
|
|
|
|
/* Set the state of FD to *TERMIOS_P. */
|
|
int
|
|
tcsetattr (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;
|
|
}
|
|
libc_hidden_def (tcsetattr)
|
|
|
|
/* Strychnine checking. */
|
|
static int
|
|
bad_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:
|
|
case B57600:
|
|
case B115200:
|
|
case B230400:
|
|
case B460800:
|
|
case B500000:
|
|
case B576000:
|
|
case B921600:
|
|
case B1000000:
|
|
case B1152000:
|
|
case B1500000:
|
|
case B2000000:
|
|
case B2500000:
|
|
case B3000000:
|
|
case B3500000:
|
|
case B4000000:
|
|
return 0;
|
|
default:
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
|
|
stub_warning (tcsetattr)
|