mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-28 05:21:13 +00:00
101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
/* Copyright (C) 1991 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>
|
|
|
|
static int EXFUN(bad_speed, (speed_t speed));
|
|
|
|
/* 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)
|
|
{
|
|
if (fd < 0)
|
|
{
|
|
errno = EBADF;
|
|
return -1;
|
|
}
|
|
if (termios_p == NULL)
|
|
{
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
switch (optional_actions)
|
|
{
|
|
case TCSANOW:
|
|
case TCSADRAIN:
|
|
case TCSAFLUSH:
|
|
break;
|
|
default:
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if (bad_speed(termios_p->__ospeed) ||
|
|
bad_speed(termios_p->__ispeed == 0 ?
|
|
termios_p->__ospeed : termios_p->__ispeed))
|
|
{
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
errno = ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
|
|
/* Stricknine checking. */
|
|
static int
|
|
DEFUN(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;
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef HAVE_GNU_LD
|
|
|
|
#include <gnu-stabs.h>
|
|
|
|
stub_warning(tcsetattr);
|
|
|
|
#endif /* GNU stabs. */
|