blob: d17d84382e3a9821b58dd3d309058283756cf0be [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/globals.h"
#if defined(DART_HOST_OS_WINDOWS)
#include "bin/extensions.h"
#include "bin/utils.h"
#include "bin/utils_win.h"
#include "platform/assert.h"
namespace dart {
namespace bin {
void* Extensions::LoadExtensionLibrary(const char* library_file) {
SetLastError(0);
// Convert to wchar_t string.
int name_len = MultiByteToWideChar(CP_UTF8, 0, library_file, -1, NULL, 0);
wchar_t* name;
name = new wchar_t[name_len];
MultiByteToWideChar(CP_UTF8, 0, library_file, -1, name, name_len);
void* ext = LoadLibraryW(name);
delete[] name;
return ext;
}
void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
SetLastError(0);
return reinterpret_cast<void*>(
GetProcAddress(reinterpret_cast<HMODULE>(lib_handle), symbol));
}
void Extensions::UnloadLibrary(void* lib_handle) {
SetLastError(0);
BOOL result = FreeLibrary(reinterpret_cast<HMODULE>(lib_handle));
ASSERT(result);
}
Dart_Handle Extensions::GetError() {
int last_error = GetLastError();
if (last_error != 0) {
OSError err;
return Dart_NewApiError(err.message());
}
return Dart_Null();
}
} // namespace bin
} // namespace dart
#endif // defined(DART_HOST_OS_WINDOWS)