glibc/sysdeps/generic/tcsetattr.c
Roland McGrath 15c64502ab 2001-07-26 Roland McGrath <roland@frob.com>
* sysdeps/generic/bits/termios.h (EXTA, EXTB): Make these conditional
	on __USE_MISC rather than __USE_BSD.
	(B57600, B115200, B230400, B460800, B500000, B576000, B921600,
	B1000000, B1152000, B1500000, B2000000, B2500000, B3000000,
	B3500000, B4000000): New macros.
	* sysdeps/generic/tcsetattr.c (bad_speed): Accept those values.
	* termios/cfsetspeed.c (speeds): Likewise.
2001-07-26 21:23:31 +00:00

109 lines
2.3 KiB
C

/* Copyright (C) 1991,95,96,2000,01 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, 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 (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;
}
/* 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)
#include <stub-tag.h>