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WindowsVersion.h (2313B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_WindowsVersion_h
      8 #define mozilla_WindowsVersion_h
      9 
     10 #include "mozilla/Atomics.h"
     11 #include "mozilla/Attributes.h"
     12 #include <stdint.h>
     13 #include <windows.h>
     14 
     15 namespace mozilla {
     16 
     17 inline bool IsWindows10BuildOrLater(uint32_t aBuild) {
     18  static Atomic<uint32_t> minBuild(0);
     19  static Atomic<uint32_t> maxBuild(UINT32_MAX);
     20 
     21  if (minBuild >= aBuild) {
     22    return true;
     23  }
     24 
     25  if (aBuild >= maxBuild) {
     26    return false;
     27  }
     28 
     29  OSVERSIONINFOEXW info;
     30  ZeroMemory(&info, sizeof(OSVERSIONINFOEXW));
     31  info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
     32  info.dwMajorVersion = 10;
     33  info.dwBuildNumber = aBuild;
     34 
     35  DWORDLONG conditionMask = 0;
     36  VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
     37  VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
     38  VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
     39  VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
     40  VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
     41 
     42  if (VerifyVersionInfoW(&info,
     43                         VER_MAJORVERSION | VER_MINORVERSION | VER_BUILDNUMBER |
     44                             VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
     45                         conditionMask)) {
     46    minBuild = aBuild;
     47    return true;
     48  }
     49 
     50  maxBuild = aBuild;
     51  return false;
     52 }
     53 
     54 MOZ_ALWAYS_INLINE bool IsWin10AnniversaryUpdateOrLater() {
     55  return IsWindows10BuildOrLater(14393);
     56 }
     57 
     58 MOZ_ALWAYS_INLINE bool IsWin10CreatorsUpdateOrLater() {
     59  return IsWindows10BuildOrLater(15063);
     60 }
     61 
     62 MOZ_ALWAYS_INLINE bool IsWin10FallCreatorsUpdateOrLater() {
     63  return IsWindows10BuildOrLater(16299);
     64 }
     65 
     66 MOZ_ALWAYS_INLINE bool IsWin10Sep2018UpdateOrLater() {
     67  return IsWindows10BuildOrLater(17763);
     68 }
     69 
     70 MOZ_ALWAYS_INLINE bool IsWin11OrLater() {
     71  return IsWindows10BuildOrLater(22000);
     72 }
     73 
     74 MOZ_ALWAYS_INLINE bool IsWin1122H2OrLater() {
     75  return IsWindows10BuildOrLater(22621);
     76 }
     77 
     78 }  // namespace mozilla
     79 
     80 #endif /* mozilla_WindowsVersion_h */