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//
// Boost.Process
// ~~~~~~~~~~~~~
//
// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008, 2009 Boris Schaeling
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
/**
* \file boost/process/environment.hpp
*
* Includes the declaration of the environment class.
*/
#ifndef BOOST_PROCESS_ENVIRONMENT_HPP
#define BOOST_PROCESS_ENVIRONMENT_HPP
#include <string>
#include <map>
namespace boost {
namespace process {
/**
* Representation of a process' environment variables.
*
* The environment is a map that stablishes an unidirectional
* association between variable names and their values and is
* represented by a string to string map.
*
* Variables may be defined to the empty string. Be aware that doing so
* is not portable: POSIX systems will treat such variables as being
* defined to the empty value, but Windows systems are not able to
* distinguish them from undefined variables.
*
* Neither POSIX nor Windows systems support a variable with no name.
*
* It is worthy to note that the environment is sorted alphabetically.
* This is provided for-free by the map container used to implement this
* type, and this behavior is required by Windows systems.
*/
typedef std::map<std::string, std::string> environment;
}
}
#endif