win_util.cc - mozsearch

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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

#include "base/win_util.h"

#include <sddl.h>

#include "base/logging.h"

#include "base/string_util.h"

namespace win_util {

std::wstring FormatMessage(unsigned messageid) {

  wchar_t* string_buffer = NULL;

  ::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |

                      FORMAT_MESSAGE_IGNORE_INSERTS,

                  NULL, messageid, 0,

                  reinterpret_cast<wchar_t*>(&string_buffer), 0, NULL);

  std::wstring formatted_string;

  if (string_buffer) {

    formatted_string = string_buffer;

    LocalFree(reinterpret_cast<HLOCAL>(string_buffer));

  } else {

    // The formating failed. simply convert the message value into a string.

    SStringPrintf(&formatted_string, L"message number %d", messageid);

  return formatted_string;

std::wstring FormatLastWin32Error() { return FormatMessage(GetLastError()); }

}  // namespace win_util