mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-05 03:01:05 +00:00
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* `struct termios' speed frobnication functions. 4.4 BSD/generic GNU version.
|
|
Copyright (C) 1991, 1992, 1993, 1996, 1997 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 <stddef.h>
|
|
#include <errno.h>
|
|
#include <termios.h>
|
|
|
|
/* Return the output baud rate stored in *TERMIOS_P. */
|
|
speed_t
|
|
cfgetospeed (termios_p)
|
|
const struct termios *termios_p;
|
|
{
|
|
return termios_p->__ospeed;
|
|
}
|
|
|
|
/* Return the input baud rate stored in *TERMIOS_P. */
|
|
speed_t
|
|
cfgetispeed (termios_p)
|
|
const struct termios *termios_p;
|
|
{
|
|
return termios_p->__ispeed;
|
|
}
|
|
|
|
/* Set the output baud rate stored in *TERMIOS_P to SPEED. */
|
|
int
|
|
cfsetospeed (termios_p, speed)
|
|
struct termios *termios_p;
|
|
speed_t speed;
|
|
{
|
|
if (termios_p == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
termios_p->__ospeed = speed;
|
|
return 0;
|
|
}
|
|
|
|
/* Set the input baud rate stored in *TERMIOS_P to SPEED. */
|
|
int
|
|
cfsetispeed (termios_p, speed)
|
|
struct termios *termios_p;
|
|
speed_t speed;
|
|
{
|
|
if (termios_p == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
termios_p->__ispeed = speed;
|
|
return 0;
|
|
}
|