1 files changed, 54 insertions, 0 deletions
diff --git a/boost/process/detail/windows/env_init.hpp b/boost/process/detail/windows/env_init.hpp
new file mode 100644
index 0000000000..036a29809f
--- /dev/null
+++ b/boost/process/detail/windows/env_init.hpp
@@ -0,0 +1,54 @@
+// Copyright (c) 2016 Klemens D. Morgenstern
+//
+// 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)
+
+
+#ifndef BOOST_PROCESS_DETAIL_WINDOWS_ENV_INIT_HPP_
+#define BOOST_PROCESS_DETAIL_WINDOWS_ENV_INIT_HPP_
+
+#include <boost/detail/winapi/error_codes.hpp>
+#include <boost/detail/winapi/process.hpp>
+
+
+#include <boost/process/detail/config.hpp>
+#include <boost/process/detail/handler_base.hpp>
+#include <boost/process/environment.hpp>
+
+namespace boost { namespace process { namespace detail { namespace windows {
+
+template<typename Char>
+struct env_init : public ::boost::process::detail::handler_base
+{
+    boost::process::basic_environment<Char> env;
+
+    env_init(boost::process::basic_environment<Char> && env) : env(std::move(env)) {};
+    env_init(const boost::process::basic_environment<Char> & env) : env(env) {};
+
+    constexpr static ::boost::detail::winapi::DWORD_ creation_flag(char)    {return 0u;}
+    constexpr static ::boost::detail::winapi::DWORD_ creation_flag(wchar_t)
+    {
+       return ::boost::detail::winapi::CREATE_UNICODE_ENVIRONMENT_;
+    }
+
+    template <class WindowsExecutor>
+    void on_setup(WindowsExecutor &exec) const
+    {
+        auto e = env.native_handle();
+        if (*e == null_char<char>())
+        {
+            exec.set_error(std::error_code(::boost::detail::winapi::ERROR_BAD_ENVIRONMENT_, std::system_category()),
+                    "Empty Environment");
+        }
+
+        exec.env = e;
+        exec.creation_flags |= creation_flag(Char());
+    }
+
+};
+
+}}}}
+
+
+
+#endif /* BOOST_PROCESS_DETAIL_WINDOWS_ENV_INIT_HPP_ */