diff options
Diffstat (limited to 'nuttx/libc/termios/lib_tcgetattr.c')
-rw-r--r-- | nuttx/libc/termios/lib_tcgetattr.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/nuttx/libc/termios/lib_tcgetattr.c b/nuttx/libc/termios/lib_tcgetattr.c new file mode 100644 index 000000000..e8d311260 --- /dev/null +++ b/nuttx/libc/termios/lib_tcgetattr.c @@ -0,0 +1,93 @@ +/**************************************************************************** + * libc/termios/lib_tcgetattr.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/ioctl.h> + +#include <termios.h> +#include <errno.h> + +#include <nuttx/serial/tioctl.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: tcgetattr + * + * Descripton: + * The tcgetattr() function gets the parameters associated with the + * terminal referred to by 'fd' and stores them in the termios structure + * referenced by 'termiosp'. + * + * Input Parameters: + * fd - The 'fd' argument is an open file descriptor associated with a terminal. + * termiosp - The termiosp argument is a pointer to a termios structure. + * + * Returned Value: + * Upon successful completion, 0 is returned. Otherwise, -1 is returned and + * errno is set to indicate the error. The following errors may be reported: + * + * - EBADF: The 'fd' argument is not a valid file descriptor. + * - ENOTTY: The file associated with 'fd' is not a terminal. + * + ****************************************************************************/ + +int tcgetattr(int fd, FAR struct termios *termiosp) +{ + return ioctl(fd, TCGETS, (unsigned long)termiosp); +} |