michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_WindowsVersion_h
michael@0: #define mozilla_WindowsVersion_h
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include <stdint.h>
michael@0: #include <windows.h>
michael@0: 
michael@0: namespace mozilla
michael@0: {
michael@0:   inline bool
michael@0:   IsWindowsVersionOrLater(uint32_t aVersion)
michael@0:   {
michael@0:     static uint32_t minVersion = 0;
michael@0:     static uint32_t maxVersion = UINT32_MAX;
michael@0: 
michael@0:     if (minVersion >= aVersion) {
michael@0:       return true;
michael@0:     }
michael@0: 
michael@0:     if (aVersion >= maxVersion) {
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     OSVERSIONINFOEX info;
michael@0:     ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
michael@0:     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
michael@0:     info.dwMajorVersion = aVersion >> 24;
michael@0:     info.dwMinorVersion = (aVersion >> 16) & 0xFF;
michael@0:     info.wServicePackMajor = (aVersion >> 8) & 0xFF;
michael@0:     info.wServicePackMinor = aVersion & 0xFF;
michael@0: 
michael@0:     DWORDLONG conditionMask = 0;
michael@0:     VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
michael@0:     VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
michael@0:     VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
michael@0:     VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
michael@0: 
michael@0:     if (VerifyVersionInfo(&info,
michael@0:                           VER_MAJORVERSION | VER_MINORVERSION |
michael@0:                           VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
michael@0:                           conditionMask)) {
michael@0:       minVersion = aVersion;
michael@0:       return true;
michael@0:     }
michael@0: 
michael@0:     maxVersion = aVersion;
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   inline bool
michael@0:   IsWindowsBuildOrLater(uint32_t aBuild)
michael@0:   {
michael@0:     static uint32_t minBuild = 0;
michael@0:     static uint32_t maxBuild = UINT32_MAX;
michael@0: 
michael@0:     if (minBuild >= aBuild) {
michael@0:       return true;
michael@0:     }
michael@0: 
michael@0:     if (aBuild >= maxBuild) {
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     OSVERSIONINFOEX info;
michael@0:     ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
michael@0:     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
michael@0:     info.dwBuildNumber = aBuild;
michael@0: 
michael@0:     DWORDLONG conditionMask = 0;
michael@0:     VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
michael@0: 
michael@0:     if (VerifyVersionInfo(&info, VER_BUILDNUMBER, conditionMask)) {
michael@0:       minBuild = aBuild;
michael@0:       return true;
michael@0:     }
michael@0: 
michael@0:     maxBuild = aBuild;
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsXPSP3OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x05010300ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsWin2003OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x05020000ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsWin2003SP2OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x05020200ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsVistaOrLater()
michael@0:   { return IsWindowsVersionOrLater(0x06000000ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsVistaSP1OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x06000100ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsWin7OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x06010000ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsWin7SP1OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x06010100ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsWin8OrLater()
michael@0:   { return IsWindowsVersionOrLater(0x06020000ul); }
michael@0: 
michael@0:   MOZ_ALWAYS_INLINE bool
michael@0:   IsNotWin7PreRTM()
michael@0:   {
michael@0:     return IsWin7SP1OrLater() || !IsWin7OrLater() ||
michael@0:            IsWindowsBuildOrLater(7600);
michael@0:   }
michael@0: }
michael@0: 
michael@0: #endif /* mozilla_WindowsVersion_h */