mfbt/WindowsVersion.h

   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 IsWindowsVersionOrLater(uint32_t aVersion) {
  18   static Atomic<uint32_t> minVersion(0);
  19   static Atomic<uint32_t> maxVersion(UINT32_MAX);
  20
  21   if (minVersion >= aVersion) {
  22     return true;
  23   }
  24
  25   if (aVersion >= maxVersion) {
  26     return false;
  27   }
  28
  29   OSVERSIONINFOEXW info;
  30   ZeroMemory(&info, sizeof(OSVERSIONINFOEXW));
  31   info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
  32   info.dwMajorVersion = aVersion >> 24;
  33   info.dwMinorVersion = (aVersion >> 16) & 0xFF;
  34   info.wServicePackMajor = (aVersion >> 8) & 0xFF;
  35   info.wServicePackMinor = aVersion & 0xFF;
  36
  37   DWORDLONG conditionMask = 0;
  38   VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
  39   VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
  40   VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
  41   VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
  42
  43   if (VerifyVersionInfoW(&info,
  44                          VER_MAJORVERSION | VER_MINORVERSION |
  45                              VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
  46                          conditionMask)) {
  47     minVersion = aVersion;
  48     return true;
  49   }
  50
  51   maxVersion = aVersion;
  52   return false;
  53 }
  54
  55 inline bool IsWindowsBuildOrLater(uint32_t aBuild) {
  56   static Atomic<uint32_t> minBuild(0);
  57   static Atomic<uint32_t> maxBuild(UINT32_MAX);
  58
  59   if (minBuild >= aBuild) {
  60     return true;
  61   }
  62
  63   if (aBuild >= maxBuild) {
  64     return false;
  65   }
  66
  67   OSVERSIONINFOEXW info;
  68   ZeroMemory(&info, sizeof(OSVERSIONINFOEXW));
  69   info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
  70   info.dwBuildNumber = aBuild;
  71
  72   DWORDLONG conditionMask = 0;
  73   VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
  74
  75   if (VerifyVersionInfoW(&info, VER_BUILDNUMBER, conditionMask)) {
  76     minBuild = aBuild;
  77     return true;
  78   }
  79
  80   maxBuild = aBuild;
  81   return false;
  82 }
  83
  84 inline bool IsWindows10BuildOrLater(uint32_t aBuild) {
  85   static Atomic<uint32_t> minBuild(0);
  86   static Atomic<uint32_t> maxBuild(UINT32_MAX);
  87
  88   if (minBuild >= aBuild) {
  89     return true;
  90   }
  91
  92   if (aBuild >= maxBuild) {
  93     return false;
  94   }
  95
  96   OSVERSIONINFOEXW info;
  97   ZeroMemory(&info, sizeof(OSVERSIONINFOEXW));
  98   info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
  99   info.dwMajorVersion = 10;
 100   info.dwBuildNumber = aBuild;
 101
 102   DWORDLONG conditionMask = 0;
 103   VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
 104   VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
 105   VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
 106   VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
 107   VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
 108
 109   if (VerifyVersionInfoW(&info,
 110                          VER_MAJORVERSION | VER_MINORVERSION | VER_BUILDNUMBER |
 111                              VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
 112                          conditionMask)) {
 113     minBuild = aBuild;
 114     return true;
 115   }
 116
 117   maxBuild = aBuild;
 118   return false;
 119 }
 120
 121 MOZ_ALWAYS_INLINE bool IsWin7SP1OrLater() {
 122   return IsWindowsVersionOrLater(0x06010100ul);
 123 }
 124
 125 MOZ_ALWAYS_INLINE bool IsWin8OrLater() {
 126   return IsWindowsVersionOrLater(0x06020000ul);
 127 }
 128
 129 MOZ_ALWAYS_INLINE bool IsWin8Point1OrLater() {
 130   return IsWindowsVersionOrLater(0x06030000ul);
 131 }
 132
 133 MOZ_ALWAYS_INLINE bool IsWin10OrLater() {
 134   return IsWindowsVersionOrLater(0x0a000000ul);
 135 }
 136
 137 MOZ_ALWAYS_INLINE bool IsWin10November2015UpdateOrLater() {
 138   return IsWindows10BuildOrLater(10586);
 139 }
 140
 141 MOZ_ALWAYS_INLINE bool IsWin10AnniversaryUpdateOrLater() {
 142   return IsWindows10BuildOrLater(14393);
 143 }
 144
 145 MOZ_ALWAYS_INLINE bool IsWin10CreatorsUpdateOrLater() {
 146   return IsWindows10BuildOrLater(15063);
 147 }
 148
 149 MOZ_ALWAYS_INLINE bool IsWin10FallCreatorsUpdateOrLater() {
 150   return IsWindows10BuildOrLater(16299);
 151 }
 152
 153 MOZ_ALWAYS_INLINE bool IsWin10April2018UpdateOrLater() {
 154   return IsWindows10BuildOrLater(17134);
 155 }
 156
 157 MOZ_ALWAYS_INLINE bool IsWin10Sep2018UpdateOrLater() {
 158   return IsWindows10BuildOrLater(17763);
 159 }
 160
 161 MOZ_ALWAYS_INLINE bool IsWin10May2019UpdateOrLater() {
 162   return IsWindows10BuildOrLater(18362);
 163 }
 164
 165 MOZ_ALWAYS_INLINE bool IsNotWin7PreRTM() {
 166   return IsWin7SP1OrLater() || IsWindowsBuildOrLater(7600);
 167 }
 168
 169 inline bool IsWin7AndPre2000Compatible() {
 170   /*
 171    * See Bug 1279171.
 172    * We'd like to avoid using WMF on specific OS version when compatibility
 173    * mode is in effect. The purpose of this function is to check if FF runs on
 174    * Win7 OS with application compatibility mode being set to 95/98/ME.
 175    * Those compatibility mode options (95/98/ME) can only display and
 176    * be selected for 32-bit application.
 177    * If the compatibility mode is in effect, the GetVersionEx function will
 178    * report the OS as it identifies itself, which may not be the OS that is
 179    * installed.
 180    * Note : 1) We only target for Win7 build number greater than 7600.
 181    *        2) GetVersionEx may be altered or unavailable for release after
 182    *           Win8.1. Set pragma to avoid build warning as error.
 183    */
 184   bool isWin7 = IsNotWin7PreRTM() && !IsWin8OrLater();
 185   if (!isWin7) {
 186     return false;
 187   }
 188
 189   OSVERSIONINFOEXW info;
 190   ZeroMemory(&info, sizeof(OSVERSIONINFOEXW));
 191
 192   info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
 193 #pragma warning(push)
 194 #pragma warning(disable : 4996)
 195   bool success = GetVersionExW((LPOSVERSIONINFOW)&info);
 196 #pragma warning(pop)
 197   if (!success) {
 198     return false;
 199   }
 200   return info.dwMajorVersion < 5;
 201 }
 202
 203 }  // namespace mozilla
 204
 205 #endif /* mozilla_WindowsVersion_h */