/* * Copyright (c) 2019, 2021, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
#ifndef SYSINFO_H #define SYSINFO_H
#include"tstrings.h"
// // This namespace provides information about environment in which // the current application runs. // It is for general purpose use. // Functions in this namespaces are just queries about the environment. // Functions that change the existing environment like file or directory // creation should not be added to this namespace. // namespace SysInfo { /** * Returns temp dir (for the current user).
*/
tstring getTempDir();
/** * Returns absolute path to the process executable.
*/
tstring getProcessModulePath();
/** * Returns absolute path to the current executable module.
*/
tstring getCurrentModulePath();
enum CommandArgProgramNameMode {
IncludeProgramName,
ExcludeProgramName
}; /** * Retrieves the command-line arguments for the current process. * With IncludeProgramName option returns result similar to argv/argc. * With ExcludeProgramName option program name * (the 1st element of command line) * is excluded.
*/
tstring_array getCommandArgs(
CommandArgProgramNameMode progNameMode = ExcludeProgramName);
/** * Returns value of environment variable with the given name. * Throws exception if variable is not set or any other error occurred * reading the value.
*/
tstring getEnvVariable(const tstring& name);
/** * Returns value of environment variable with the given name. * Returns value of 'defValue' parameter if variable is not set or any * other error occurred reading the value.
*/
tstring getEnvVariable(const std::nothrow_t&, const tstring& name, const tstring& defValue=tstring());
/** * Sets the value of environment variable with the given name to the given value.
*/ void setEnvVariable(const tstring& name, const tstring& value);
/** * Returns 'true' if environment variable with the given name is set.
*/ bool isEnvVariableSet(const tstring& name);
}
#endif// SYSINFO_H
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