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