1 files changed, 118 insertions, 0 deletions
diff --git a/boost/detail/winapi/environment.hpp b/boost/detail/winapi/environment.hpp
new file mode 100644
index 0000000000..c777c46067
--- /dev/null
+++ b/boost/detail/winapi/environment.hpp
@@ -0,0 +1,118 @@
+//  environment.hpp  --------------------------------------------------------------//
+
+//  Copyright 2016 Klemens D. Morgenstern
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_DETAIL_WINAPI_ENVIRONMENT_HPP_
+#define BOOST_DETAIL_WINAPI_ENVIRONMENT_HPP_
+
+#include <boost/detail/winapi/basic_types.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#if !defined( BOOST_USE_WINDOWS_H )
+extern "C" {
+#if !defined( BOOST_NO_ANSI_APIS )
+BOOST_SYMBOL_IMPORT boost::detail::winapi::LPSTR_ WINAPI GetEnvironmentStringsA();
+BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI FreeEnvironmentStringsA(boost::detail::winapi::LPSTR_);
+
+BOOST_SYMBOL_IMPORT boost::detail::winapi::DWORD_ WINAPI GetEnvironmentVariableA(
+    boost::detail::winapi::LPCSTR_ lpName,
+    boost::detail::winapi::LPSTR_ lpBuffer,
+    boost::detail::winapi::DWORD_ nSize
+);
+
+BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI SetEnvironmentVariableA(
+    boost::detail::winapi::LPCSTR_ lpName,
+    boost::detail::winapi::LPCSTR_ lpValue
+);
+#endif // !defined( BOOST_NO_ANSI_APIS )
+
+BOOST_SYMBOL_IMPORT boost::detail::winapi::LPWSTR_ WINAPI GetEnvironmentStringsW();
+BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI FreeEnvironmentStringsW(boost::detail::winapi::LPWSTR_);
+
+BOOST_SYMBOL_IMPORT boost::detail::winapi::DWORD_ WINAPI GetEnvironmentVariableW(
+    boost::detail::winapi::LPCWSTR_ lpName,
+    boost::detail::winapi::LPWSTR_ lpBuffer,
+    boost::detail::winapi::DWORD_ nSize
+);
+
+BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI SetEnvironmentVariableW(
+    boost::detail::winapi::LPCWSTR_ lpName,
+    boost::detail::winapi::LPCWSTR_ lpValue
+);
+} // extern "C"
+#endif // !defined( BOOST_USE_WINDOWS_H )
+
+namespace boost { namespace detail { namespace winapi {
+
+#if !defined( BOOST_NO_ANSI_APIS )
+using ::GetEnvironmentStringsA;
+using ::FreeEnvironmentStringsA;
+using ::GetEnvironmentVariableA;
+using ::SetEnvironmentVariableA;
+#endif // !defined( BOOST_NO_ANSI_APIS )
+
+using ::GetEnvironmentStringsW;
+using ::FreeEnvironmentStringsW;
+using ::GetEnvironmentVariableW;
+using ::SetEnvironmentVariableW;
+
+template< typename Char >
+Char* get_environment_strings();
+
+#if !defined( BOOST_NO_ANSI_APIS )
+
+template< >
+BOOST_FORCEINLINE char* get_environment_strings< char >()
+{
+    return GetEnvironmentStringsA();
+}
+
+BOOST_FORCEINLINE BOOL_ free_environment_strings(boost::detail::winapi::LPSTR_ p)
+{
+    return FreeEnvironmentStringsA(p);
+}
+
+BOOST_FORCEINLINE DWORD_ get_environment_variable(LPCSTR_ name, LPSTR_ buffer, DWORD_ size)
+{
+    return GetEnvironmentVariableA(name, buffer, size);
+}
+
+BOOST_FORCEINLINE BOOL_ set_environment_variable(LPCSTR_ name, LPCSTR_ value)
+{
+    return SetEnvironmentVariableA(name, value);
+}
+
+#endif // !defined( BOOST_NO_ANSI_APIS )
+
+template< >
+BOOST_FORCEINLINE wchar_t* get_environment_strings< wchar_t >()
+{
+    return GetEnvironmentStringsW();
+}
+
+BOOST_FORCEINLINE BOOL_ free_environment_strings(boost::detail::winapi::LPWSTR_ p)
+{
+    return FreeEnvironmentStringsW(p);
+}
+
+BOOST_FORCEINLINE DWORD_ get_environment_variable(LPCWSTR_ name, LPWSTR_ buffer, DWORD_ size)
+{
+    return GetEnvironmentVariableW(name, buffer, size);
+}
+
+BOOST_FORCEINLINE BOOL_ set_environment_variable(LPCWSTR_ name, LPCWSTR_ value)
+{
+    return SetEnvironmentVariableW(name, value);
+}
+
+} // namespace winapi
+} // namespace detail
+} // namespace boost
+
+#endif // BOOST_DETAIL_WINAPI_ENVIRONMENT_HPP_