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