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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#ifndef WEBRTC_BASE_WIN32_H_
#define WEBRTC_BASE_WIN32_H_
#if defined(WEBRTC_WIN)
// Make sure we don't get min/max macros
#ifndef NOMINMAX
#define NOMINMAX
#include <winsock2.h>
#include <windows.h>
// Add defines that we use if we are compiling against older sdks
#define TokenIntegrityLevel static_cast<TOKEN_INFORMATION_CLASS>(0x19)
typedef struct _TOKEN_MANDATORY_LABEL {
#undef SetPort
#include <string>
#include "webrtc/base/stringutils.h"
#include "webrtc/base/basictypes.h"
namespace rtc {
const char* win32_inet_ntop(int af, const void *src, char* dst, socklen_t size);
int win32_inet_pton(int af, const char* src, void *dst);
inline std::wstring ToUtf16(const char* utf8, size_t len) {
int len16 = ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len),
NULL, 0);
wchar_t* ws = STACK_ARRAY(wchar_t, len16);
::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len), ws, len16);
return std::wstring(ws, len16);
inline std::wstring ToUtf16(const std::string& str) {
return ToUtf16(, str.length());
inline std::string ToUtf8(const wchar_t* wide, size_t len) {
int len8 = ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len),
char* ns = STACK_ARRAY(char, len8);
::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len), ns, len8,
return std::string(ns, len8);
inline std::string ToUtf8(const wchar_t* wide) {
return ToUtf8(wide, wcslen(wide));
inline std::string ToUtf8(const std::wstring& wstr) {
return ToUtf8(, wstr.length());
// Convert FILETIME to time_t
void FileTimeToUnixTime(const FILETIME& ft, time_t* ut);
// Convert time_t to FILETIME
void UnixTimeToFileTime(const time_t& ut, FILETIME * ft);
// Convert a Utf8 path representation to a non-length-limited Unicode pathname.
bool Utf8ToWindowsFilename(const std::string& utf8, std::wstring* filename);
// Convert a FILETIME to a UInt64
inline uint64_t ToUInt64(const FILETIME& ft) {
ULARGE_INTEGER r = {{ft.dwLowDateTime, ft.dwHighDateTime}};
return r.QuadPart;
enum WindowsMajorVersions {
kWindows2000 = 5,
kWindowsVista = 6,
bool GetOsVersion(int* major, int* minor, int* build);
inline bool IsWindowsVistaOrLater() {
int major;
return (GetOsVersion(&major, NULL, NULL) && major >= kWindowsVista);
inline bool IsWindowsXpOrLater() {
int major, minor;
return (GetOsVersion(&major, &minor, NULL) &&
(major >= kWindowsVista ||
(major == kWindows2000 && minor >= 1)));
inline bool IsWindows8OrLater() {
int major, minor;
return (GetOsVersion(&major, &minor, NULL) &&
(major > kWindowsVista ||
(major == kWindowsVista && minor >= 2)));
// Determine the current integrity level of the process.
bool GetCurrentProcessIntegrityLevel(int* level);
inline bool IsCurrentProcessLowIntegrity() {
int level;
return (GetCurrentProcessIntegrityLevel(&level) &&
bool AdjustCurrentProcessPrivilege(const TCHAR* privilege, bool to_enable);
} // namespace rtc
#endif // WEBRTC_WIN
#endif // WEBRTC_BASE_WIN32_H_