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/*****************************************************************************
*
* Copyright (c) 2000 - 2010, Lawrence Livermore National Security, LLC
* Produced at the Lawrence Livermore National Laboratory
* LLNL-CODE-400124
* All rights reserved.
*
* This file is part of VisIt. For details, see https://visit.llnl.gov/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the disclaimer (as noted below) in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the LLNS/LLNL nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL LAWRENCE LIVERMORE NATIONAL SECURITY,
* LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*****************************************************************************/
// ************************************************************************* //
// Environment.h //
// ************************************************************************* //
#ifndef ENV_H
#define ENV_H
#include <misc_exports.h>
#include <string>
namespace Environment
{
// ****************************************************************************
// Function: Environment::get
//
// Purpose: Obtains a value from the environment.
//
// Programmer: Tom Fogal
//
// ****************************************************************************
std::string MISC_API get(const char *);
// ****************************************************************************
// Function: Environment::get
//
// Purpose: Predicate to determine whether a variable is defined.
//
// Programmer: Tom Fogal
//
// ****************************************************************************
bool MISC_API exists(const char *);
// ****************************************************************************
// Function: Environment::set
//
// Purpose: Sets a value in the enviroment. Avoid using putenv, since it
// requires static memory.
//
// Programmer: Tom Fogal
//
// ****************************************************************************
void MISC_API set(const char *k, const char *v);
// ****************************************************************************
// Function: Environment::unset
//
// Purpose: Removes a variable definition from the environment.
//
// Programmer: Tom Fogal
//
// ****************************************************************************
void MISC_API unset(const char *);
};
#endif
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