зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.3 KiB
C++
81 строка
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_WindowsVersion_h
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#define mozilla_WindowsVersion_h
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#include "mozilla/Atomics.h"
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#include "mozilla/Attributes.h"
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#include <stdint.h>
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#include <windows.h>
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namespace mozilla {
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inline bool IsWindows10BuildOrLater(uint32_t aBuild) {
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static Atomic<uint32_t> minBuild(0);
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static Atomic<uint32_t> maxBuild(UINT32_MAX);
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if (minBuild >= aBuild) {
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return true;
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}
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if (aBuild >= maxBuild) {
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return false;
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}
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OSVERSIONINFOEXW info;
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ZeroMemory(&info, sizeof(OSVERSIONINFOEXW));
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
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info.dwMajorVersion = 10;
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info.dwBuildNumber = aBuild;
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DWORDLONG conditionMask = 0;
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VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
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VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
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VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
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VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
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VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
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if (VerifyVersionInfoW(&info,
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VER_MAJORVERSION | VER_MINORVERSION | VER_BUILDNUMBER |
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VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
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conditionMask)) {
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minBuild = aBuild;
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return true;
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}
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maxBuild = aBuild;
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return false;
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}
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MOZ_ALWAYS_INLINE bool IsWin10AnniversaryUpdateOrLater() {
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return IsWindows10BuildOrLater(14393);
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}
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MOZ_ALWAYS_INLINE bool IsWin10CreatorsUpdateOrLater() {
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return IsWindows10BuildOrLater(15063);
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}
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MOZ_ALWAYS_INLINE bool IsWin10FallCreatorsUpdateOrLater() {
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return IsWindows10BuildOrLater(16299);
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}
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MOZ_ALWAYS_INLINE bool IsWin10Sep2018UpdateOrLater() {
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return IsWindows10BuildOrLater(17763);
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}
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MOZ_ALWAYS_INLINE bool IsWin11OrLater() {
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return IsWindows10BuildOrLater(22000);
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}
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MOZ_ALWAYS_INLINE bool IsWin1122H2OrLater() {
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return IsWindows10BuildOrLater(22621);
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}
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} // namespace mozilla
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#endif /* mozilla_WindowsVersion_h */
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