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// @file winutil.cpp : Windows related utility functions
//
// /**
// * Copyright (C) 2008 10gen Inc.
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU Affero General Public License, version 3,
// * as published by the Free Software Foundation.
// *
// * 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 Affero General Public License for more details.
// *
// * You should have received a copy of the GNU Affero General Public License
// * along with this program. If not, see <http://www.gnu.org/licenses/>.
// *
// * As a special exception, the copyright holders give permission to link the
// * code of portions of this program with the OpenSSL library under certain
// * conditions as described in each individual source file and distribute
// * linked combinations including the program with the OpenSSL library. You
// * must comply with the GNU Affero General Public License in all respects
// * for all of the code used other than as permitted herein. If you modify
// * file(s) with this exception, you may extend this exception to your
// * version of the file(s), but you are not obligated to do so. If you do not
// * wish to do so, delete this exception statement from your version. If you
// * delete this exception statement from all source files in the program,
// * then also delete it in the license file.
// */
//
#pragma once
#if defined(_WIN32)
#include <windows.h>
#include "text.h"
namespace mongo {
inline std::string GetWinErrMsg(DWORD err) {
LPTSTR errMsg;
::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
err,
0,
(LPTSTR)&errMsg,
0,
NULL);
std::string errMsgStr = toUtf8String(errMsg);
::LocalFree(errMsg);
// FormatMessage() appends a newline to the end of error messages, we trim it because std::endl
// flushes the buffer.
errMsgStr = errMsgStr.erase(errMsgStr.length() - 2);
std::ostringstream output;
output << errMsgStr << " (" << err << ")";
return output.str();
}
}
#endif
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