mirror of
https://github.com/libretro/scummvm.git
synced 2025-04-07 01:01:45 +00:00
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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// Disable symbol overrides so that we can use system headers.
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#define FORBIDDEN_SYMBOL_ALLOW_ALL
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#include "common/scummsys.h"
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#if defined(DYNAMIC_MODULES) && defined(_WIN32)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <tchar.h>
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#include "backends/platform/sdl/win32/win32_wrapper.h"
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#include "backends/plugins/win32/win32-provider.h"
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#include "backends/plugins/dynamic-plugin.h"
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#include "common/debug.h"
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#include "common/fs.h"
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class Win32Plugin final : public DynamicPlugin {
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protected:
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void *_dlHandle;
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VoidFunc findSymbol(const char *symbol) override {
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FARPROC func = GetProcAddress((HMODULE)_dlHandle, symbol);
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if (!func)
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debug("Failed loading symbol '%s' from plugin '%s'", symbol, _filename.c_str());
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return (void (*)())func;
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}
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public:
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Win32Plugin(const Common::String &filename)
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: DynamicPlugin(filename), _dlHandle(0) {}
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bool loadPlugin() override {
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assert(!_dlHandle);
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TCHAR *tFilename = Win32::stringToTchar(_filename);
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_dlHandle = LoadLibrary(tFilename);
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free(tFilename);
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if (!_dlHandle) {
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debug("Failed loading plugin '%s' (error code %d)", _filename.c_str(), (int32) GetLastError());
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return false;
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} else {
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debug(1, "Success loading plugin '%s', handle %p", _filename.c_str(), _dlHandle);
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}
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return DynamicPlugin::loadPlugin();
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}
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void unloadPlugin() override {
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DynamicPlugin::unloadPlugin();
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if (_dlHandle) {
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if (!FreeLibrary((HMODULE)_dlHandle))
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debug("Failed unloading plugin '%s'", _filename.c_str());
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else
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debug(1, "Success unloading plugin '%s'", _filename.c_str());
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_dlHandle = 0;
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}
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}
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};
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Plugin* Win32PluginProvider::createPlugin(const Common::FSNode &node) const {
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return new Win32Plugin(node.getPath());
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}
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bool Win32PluginProvider::isPluginFilename(const Common::FSNode &node) const {
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// Check the plugin suffix
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Common::String filename = node.getName();
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if (!filename.hasSuffix(".dll"))
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return false;
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return true;
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}
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#endif // defined(DYNAMIC_MODULES) && defined(_WIN32)
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