整理

include/boost/winapi/get_proc_address.hpp

@@ -0,0 +1,94 @@
+/*
+ * Copyright 2020 Andrey Semashev
+ *
+ * Distributed under the Boost Software License, Version 1.0.
+ * See http://www.boost.org/LICENSE_1_0.txt
+ */
+
+#ifndef BOOST_WINAPI_GET_PROC_ADDRESS_HPP_INCLUDED_
+#define BOOST_WINAPI_GET_PROC_ADDRESS_HPP_INCLUDED_
+
+#include <boost/winapi/basic_types.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#if BOOST_WINAPI_PARTITION_DESKTOP || BOOST_WINAPI_PARTITION_SYSTEM
+
+#include <boost/winapi/detail/header.hpp>
+
+#if !defined(BOOST_USE_WINDOWS_H)
+namespace boost { namespace winapi {
+#ifdef _WIN64
+typedef INT_PTR_ (BOOST_WINAPI_WINAPI_CC *FARPROC_)();
+typedef INT_PTR_ (BOOST_WINAPI_WINAPI_CC *NEARPROC_)();
+typedef INT_PTR_ (BOOST_WINAPI_WINAPI_CC *PROC_)();
+#else
+typedef int (BOOST_WINAPI_WINAPI_CC *FARPROC_)();
+typedef int (BOOST_WINAPI_WINAPI_CC *NEARPROC_)();
+typedef int (BOOST_WINAPI_WINAPI_CC *PROC_)();
+#endif // _WIN64
+}} // namespace boost::winapi
+
+extern "C" {
+#if !defined(UNDER_CE)
+BOOST_WINAPI_IMPORT boost::winapi::FARPROC_ BOOST_WINAPI_WINAPI_CC
+GetProcAddress(boost::winapi::HMODULE_ hModule, boost::winapi::LPCSTR_ lpProcName);
+#else
+// On Windows CE there are two functions: GetProcAddressA (since Windows CE 3.0) and GetProcAddressW.
+// GetProcAddress is a macro that is _always_ defined to GetProcAddressW.
+BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::FARPROC_ BOOST_WINAPI_WINAPI_CC
+GetProcAddressA(boost::winapi::HMODULE_ hModule, boost::winapi::LPCSTR_ lpProcName);
+BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::FARPROC_ BOOST_WINAPI_WINAPI_CC
+GetProcAddressW(boost::winapi::HMODULE_ hModule, boost::winapi::LPCWSTR_ lpProcName);
+#endif
+} // extern "C"
+#endif // !defined(BOOST_USE_WINDOWS_H)
+
+namespace boost {
+namespace winapi {
+
+#if defined(BOOST_USE_WINDOWS_H)
+typedef ::FARPROC FARPROC_;
+typedef ::NEARPROC NEARPROC_;
+typedef ::PROC PROC_;
+#endif // defined(BOOST_USE_WINDOWS_H)
+
+#if !defined(UNDER_CE)
+// For backward compatibility, don't use directly. Use get_proc_address instead.
+using ::GetProcAddress;
+#else
+using ::GetProcAddressA;
+using ::GetProcAddressW;
+#endif
+
+BOOST_FORCEINLINE FARPROC_ get_proc_address(HMODULE_ hModule, LPCSTR_ lpProcName)
+{
+#if !defined(UNDER_CE)
+    return ::GetProcAddress(hModule, lpProcName);
+#else
+    return ::GetProcAddressA(hModule, lpProcName);
+#endif
+}
+
+template< typename FuncPtr >
+BOOST_FORCEINLINE FuncPtr get_proc_address(HMODULE_ hModule, LPCSTR_ lpProcName)
+{
+#if defined(BOOST_GCC) && BOOST_GCC >= 80000
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-function-type"
+#endif
+    return reinterpret_cast< FuncPtr >(boost::winapi::get_proc_address(hModule, lpProcName));
+#if defined(BOOST_GCC) && BOOST_GCC >= 80000
+#pragma GCC diagnostic pop
+#endif
+}
+
+} // namespace winapi
+} // namespace boost
+
+#include <boost/winapi/detail/footer.hpp>
+
+#endif // BOOST_WINAPI_PARTITION_DESKTOP || BOOST_WINAPI_PARTITION_SYSTEM
+#endif // BOOST_WINAPI_GET_PROC_ADDRESS_HPP_INCLUDED_