--- /dev/null 2019-11-18 21:19:19.000000000 -0500 +++ new/src/jdk.incubator.jpackage/windows/native/libjpackage/SysInfo.h 2019-11-18 21:19:16.332838600 -0500 @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2019, 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()); + + /** + * Returns 'true' if environment variable with the given name is set. + */ + bool isEnvVariableSet(const tstring& name); +} + +#endif // SYSINFO_H