/**************************************************************************** * libs/libc/unistd/lib_restoredir.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 #ifndef CONFIG_DISABLE_ENVIRON /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: lib_restoredir ****************************************************************************/ int lib_restoredir(void) { FAR char *oldpwd; int ret = OK; oldpwd = getenv("OLDPWD"); if (oldpwd) { ret = setenv("PWD", oldpwd, TRUE); } return ret; } #endif /* !CONFIG_DISABLE_ENVIRON */