/**************************************************************************** * libs/libc/pwd/lib_getpwnam.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 "pwd/lib_pwd.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: getpwnam * * Description: * The getpwnam() function searches the user database for an entry with a * matching name. * * Input Parameters: * name - The user name to return a passwd structure for. * * Returned Value: * A pointer to a statically allocated passwd structure, or NULL if no * matching entry is found or an error occurs. Applications wishing to * check for error situations should set errno to 0 before calling * getpwnam(). If getpwnam() returns a null pointer and errno is set to * non-zero, an error occurred. * ****************************************************************************/ FAR struct passwd *getpwnam(FAR const char *name) { #ifdef CONFIG_LIBC_PASSWD_FILE int ret; ret = pwd_findby_name(name, &g_passwd, g_passwd_buffer, CONFIG_LIBC_PASSWD_LINESIZE); if (ret != 1) { return NULL; } return &g_passwd; #else if (strcmp(name, ROOT_NAME)) { return NULL; } return getpwbuf(ROOT_UID, ROOT_GID, ROOT_NAME, ROOT_DIR, ROOT_SHELL); #endif }