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// Copyright (c) 2015 Ryan Prichard
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef WINPTY_SHARED_OS_MODULE_H
#define WINPTY_SHARED_OS_MODULE_H
#include <windows.h>
#include <string>
#include "DebugClient.h"
#include "WinptyAssert.h"
#include "WinptyException.h"
class OsModule {
HMODULE m_module;
public:
enum class LoadErrorBehavior { Abort, Throw };
OsModule(const wchar_t *fileName,
LoadErrorBehavior behavior=LoadErrorBehavior::Abort) {
m_module = LoadLibraryW(fileName);
if (behavior == LoadErrorBehavior::Abort) {
ASSERT(m_module != NULL);
} else {
if (m_module == nullptr) {
const auto err = GetLastError();
throwWindowsError(
(L"LoadLibraryW error: " + std::wstring(fileName)).c_str(),
err);
}
}
}
~OsModule() {
FreeLibrary(m_module);
}
HMODULE handle() const { return m_module; }
FARPROC proc(const char *funcName) {
FARPROC ret = GetProcAddress(m_module, funcName);
if (ret == NULL) {
trace("GetProcAddress: %s is missing", funcName);
}
return ret;
}
};
#endif // WINPTY_SHARED_OS_MODULE_H
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