55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
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// Copyright (c) 2016 Klemens D. Morgenstern
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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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#ifndef BOOST_PROCESS_DETAIL_WINDOWS_ENV_INIT_HPP_
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#define BOOST_PROCESS_DETAIL_WINDOWS_ENV_INIT_HPP_
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#include <boost/winapi/error_codes.hpp>
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#include <boost/winapi/process.hpp>
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#include <boost/process/detail/config.hpp>
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#include <boost/process/detail/handler_base.hpp>
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#include <boost/process/environment.hpp>
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namespace boost { namespace process { namespace detail { namespace windows {
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template<typename Char>
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struct env_init : public ::boost::process::detail::handler_base
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{
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boost::process::basic_environment<Char> env;
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env_init(boost::process::basic_environment<Char> && env) : env(std::move(env)) {};
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env_init(const boost::process::basic_environment<Char> & env) : env(env) {};
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constexpr static ::boost::winapi::DWORD_ creation_flag(char) {return 0u;}
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constexpr static ::boost::winapi::DWORD_ creation_flag(wchar_t)
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{
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return ::boost::winapi::CREATE_UNICODE_ENVIRONMENT_;
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}
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template <class WindowsExecutor>
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void on_setup(WindowsExecutor &exec) const
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{
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auto e = env.native_handle();
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if (*e == null_char<char>())
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{
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exec.set_error(std::error_code(::boost::winapi::ERROR_BAD_ENVIRONMENT_, std::system_category()),
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"Empty Environment");
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}
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exec.env = e;
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exec.creation_flags |= creation_flag(Char());
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}
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};
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}}}}
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#endif /* BOOST_PROCESS_DETAIL_WINDOWS_ENV_INIT_HPP_ */
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