mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* `struct termios' speed frobnication functions. 4.4 BSD/generic GNU version.
|
|
Copyright (C) 1991-2014 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 <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;
|
|
}
|
|
libc_hidden_def (cfsetospeed)
|
|
|
|
/* 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;
|
|
}
|
|
libc_hidden_def (cfsetispeed)
|