00001 /* 00002 * Copyright (C) 2003-2009 Olivier Boudeville 00003 * 00004 * This file is part of the Ceylan library. 00005 * 00006 * The Ceylan library is free software: you can redistribute it and/or modify 00007 * it under the terms of either the GNU Lesser General Public License or 00008 * the GNU General Public License, as they are published by the Free Software 00009 * Foundation, either version 3 of these Licenses, or (at your option) 00010 * any later version. 00011 * 00012 * The Ceylan library is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU Lesser General Public License and the GNU General Public License 00016 * for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License and the GNU General Public License along with the Ceylan library. 00020 * If not, see <http://www.gnu.org/licenses/>. 00021 * 00022 * Author: Olivier Boudeville (olivier.boudeville@esperide.com) 00023 * 00024 */ 00025 00026 00027 #ifndef CEYLAN_ENVIRONMENT_VARIABLES_H_ 00028 #define CEYLAN_ENVIRONMENT_VARIABLES_H_ 00029 00030 00031 #include "CeylanUtils.h" // for UtilsException 00032 00033 #include <string> 00034 00035 00036 00037 namespace Ceylan 00038 { 00039 00040 00041 00042 namespace System 00043 { 00044 00045 00046 00047 // Some environment variables facilities. 00048 00049 00051 CEYLAN_DLL bool isEnvironmentVariableSet( 00052 const std::string & variableName ) ; 00053 00054 00055 00064 CEYLAN_DLL const std::string getEnvironmentVariable( 00065 const std::string & variableName ) ; 00066 00067 00068 00077 CEYLAN_DLL void setEnvironmentVariable( 00078 const std::string & variableName, 00079 const std::string & variableValue ) ; 00080 00081 00082 00089 CEYLAN_DLL void unsetEnvironmentVariable( 00090 const std::string & variableName ) ; 00091 00092 00093 00094 } 00095 00096 } 00097 00098 00099 00100 #endif // CEYLAN_ENVIRONMENT_VARIABLES_H_ 00101
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