mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
/* 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/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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{
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inline bool
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IsWindowsVersionOrLater(uint32_t aVersion)
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{
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static uint32_t minVersion = 0;
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static uint32_t maxVersion = UINT32_MAX;
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if (minVersion >= aVersion) {
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return true;
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}
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if (aVersion >= maxVersion) {
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return false;
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}
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OSVERSIONINFOEX info;
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ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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info.dwMajorVersion = aVersion >> 24;
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info.dwMinorVersion = (aVersion >> 16) & 0xFF;
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info.wServicePackMajor = (aVersion >> 8) & 0xFF;
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info.wServicePackMinor = aVersion & 0xFF;
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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_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
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VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
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if (VerifyVersionInfo(&info,
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VER_MAJORVERSION | VER_MINORVERSION |
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VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
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conditionMask)) {
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minVersion = aVersion;
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return true;
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}
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maxVersion = aVersion;
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return false;
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}
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inline bool
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IsWindowsBuildOrLater(uint32_t aBuild)
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{
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static uint32_t minBuild = 0;
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static 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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OSVERSIONINFOEX info;
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ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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info.dwBuildNumber = aBuild;
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DWORDLONG conditionMask = 0;
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VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
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if (VerifyVersionInfo(&info, VER_BUILDNUMBER, 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
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IsXPSP3OrLater()
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{ return IsWindowsVersionOrLater(0x05010300ul); }
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MOZ_ALWAYS_INLINE bool
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IsWin2003OrLater()
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{ return IsWindowsVersionOrLater(0x05020000ul); }
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MOZ_ALWAYS_INLINE bool
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IsWin2003SP2OrLater()
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{ return IsWindowsVersionOrLater(0x05020200ul); }
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MOZ_ALWAYS_INLINE bool
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IsVistaOrLater()
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{ return IsWindowsVersionOrLater(0x06000000ul); }
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MOZ_ALWAYS_INLINE bool
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IsVistaSP1OrLater()
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{ return IsWindowsVersionOrLater(0x06000100ul); }
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MOZ_ALWAYS_INLINE bool
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IsWin7OrLater()
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{ return IsWindowsVersionOrLater(0x06010000ul); }
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MOZ_ALWAYS_INLINE bool
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IsWin7SP1OrLater()
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{ return IsWindowsVersionOrLater(0x06010100ul); }
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MOZ_ALWAYS_INLINE bool
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IsWin8OrLater()
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{ return IsWindowsVersionOrLater(0x06020000ul); }
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MOZ_ALWAYS_INLINE bool
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IsNotWin7PreRTM()
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{
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return IsWin7SP1OrLater() || !IsWin7OrLater() ||
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IsWindowsBuildOrLater(7600);
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}
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}
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#endif /* mozilla_WindowsVersion_h */
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