//
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// Copyright (c) 2012 Artyom Beilis (Tonkikh)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_NOWIDE_CSTDLIB_HPP_INCLUDED
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#define BOOST_NOWIDE_CSTDLIB_HPP_INCLUDED
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#include <boost/nowide/config.hpp>
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#if !defined(BOOST_WINDOWS)
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#include <cstdlib>
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#endif
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namespace boost {
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namespace nowide {
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#if !defined(BOOST_WINDOWS) && !defined(BOOST_NOWIDE_DOXYGEN)
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using std::getenv;
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using std::system;
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#else
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///
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/// \brief UTF-8 aware getenv. Returns 0 if the variable is not set.
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///
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/// This function is not thread safe or reenterable as defined by the standard library
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///
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BOOST_NOWIDE_DECL char* getenv(const char* key);
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///
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/// Same as std::system but cmd is UTF-8.
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///
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BOOST_NOWIDE_DECL int system(const char* cmd);
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#endif
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///
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/// \brief Set environment variable \a key to \a value
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///
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/// if overwrite is not 0, that the old value is always overwritten, otherwise,
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/// if the variable exists it remains unchanged
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///
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/// \a key and \a value are UTF-8 on Windows
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/// \return zero on success, else nonzero
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///
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BOOST_NOWIDE_DECL int setenv(const char* key, const char* value, int overwrite);
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///
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/// \brief Remove environment variable \a key
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///
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/// \a key is UTF-8 on Windows
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/// \return zero on success, else nonzero
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///
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BOOST_NOWIDE_DECL int unsetenv(const char* key);
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///
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/// \brief Adds or changes an environment variable, \a string must be in format KEY=VALUE
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///
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/// \a string MAY become part of the environment, hence changes to the value MAY change
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/// the environment. For portability it is hence recommended NOT to change it.
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/// \a string is UTF-8 on Windows
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/// \return zero on success, else nonzero
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///
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BOOST_NOWIDE_DECL int putenv(char* string);
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} // namespace nowide
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} // namespace boost
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#endif
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