/**************************************************************************** * libs/libc/termios/lib_tcgetattr.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: tcgetattr * * Description: * 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)(uintptr_t)termiosp); }