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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_WindowsVersion_h
#define mozilla_WindowsVersion_h
#include "mozilla/Attributes.h"
#include <stdint.h>
#include <windows.h>
namespace mozilla {
inline bool
IsWindowsVersionOrLater(uint32_t aVersion)
{
static uint32_t minVersion = 0;
static uint32_t maxVersion = UINT32_MAX;
if (minVersion >= aVersion) {
return true;
}
if (aVersion >= maxVersion) {
return false;
}
OSVERSIONINFOEX info;
ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
info.dwMajorVersion = aVersion >> 24;
info.dwMinorVersion = (aVersion >> 16) & 0xFF;
info.wServicePackMajor = (aVersion >> 8) & 0xFF;
info.wServicePackMinor = aVersion & 0xFF;
DWORDLONG conditionMask = 0;
VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
if (VerifyVersionInfo(&info,
VER_MAJORVERSION | VER_MINORVERSION |
VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
conditionMask)) {
minVersion = aVersion;
return true;
}
maxVersion = aVersion;
return false;
}
inline bool
IsWindowsBuildOrLater(uint32_t aBuild)
{
static uint32_t minBuild = 0;
static uint32_t maxBuild = UINT32_MAX;
if (minBuild >= aBuild) {
return true;
}
if (aBuild >= maxBuild) {
return false;
}
OSVERSIONINFOEX info;
ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
info.dwBuildNumber = aBuild;
DWORDLONG conditionMask = 0;
VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
if (VerifyVersionInfo(&info, VER_BUILDNUMBER, conditionMask)) {
minBuild = aBuild;
return true;
}
maxBuild = aBuild;
return false;
}
// Although many of the older versions are not supported, we should keep
// these entries for completeness (since they don't take any resources of
// note), and to cater to corner cases for applications running e.g. in
// Windows' compatibility mode.
MOZ_ALWAYS_INLINE bool
IsXPSP3OrLater()
{
return IsWindowsVersionOrLater(0x05010300ul);
}
MOZ_ALWAYS_INLINE bool
IsWin2003OrLater()
{
return IsWindowsVersionOrLater(0x05020000ul);
}
MOZ_ALWAYS_INLINE bool
IsWin2003SP2OrLater()
{
return IsWindowsVersionOrLater(0x05020200ul);
}
MOZ_ALWAYS_INLINE bool
IsVistaOrLater()
{
return IsWindowsVersionOrLater(0x06000000ul);
}
MOZ_ALWAYS_INLINE bool
IsVistaSP1OrLater()
{
return IsWindowsVersionOrLater(0x06000100ul);
}
MOZ_ALWAYS_INLINE bool
IsWin7OrLater()
{
return IsWindowsVersionOrLater(0x06010000ul);
}
MOZ_ALWAYS_INLINE bool
IsWin7SP1OrLater()
{
return IsWindowsVersionOrLater(0x06010100ul);
}
MOZ_ALWAYS_INLINE bool
IsWin8OrLater()
{
return IsWindowsVersionOrLater(0x06020000ul);
}
MOZ_ALWAYS_INLINE bool
IsWin8Point1OrLater()
{
return IsWindowsVersionOrLater(0x06030000ul);
}
MOZ_ALWAYS_INLINE bool
IsWin10OrLater()
{
return IsWindowsVersionOrLater(0x0a000000ul);
}
MOZ_ALWAYS_INLINE bool
IsNotWin7PreRTM()
{
return IsWin7SP1OrLater() || !IsWin7OrLater() ||
IsWindowsBuildOrLater(7600);
}
} // namespace mozilla
#endif /* mozilla_WindowsVersion_h */
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