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Bug 970483 - Part 1: Introduce IsWindowsBuildOrLater() and IsWin7RTMOrLater(). r=bbondy

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This commit is contained in:
Masatoshi Kimura 2014-02-12 06:01:29 +09:00
parent 99e7712add
commit 7638c93a95
1 changed files with 53 additions and 15 deletions
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68
xpcom/base/WindowsVersion.h
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@ -11,10 +11,10 @@
namespace mozilla
{
inline bool
IsWindowsVersionOrLater(uint64_t aVersion)
IsWindowsVersionOrLater(uint32_t aVersion)
{
static uint64_t minVersion = 0;
static uint64_t maxVersion = UINT64_MAX;
static uint32_t minVersion = 0;
static uint32_t maxVersion = UINT32_MAX;
if (minVersion >= aVersion) {
return true;
@ -27,10 +27,10 @@ namespace mozilla
OSVERSIONINFOEX info;
ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
info.dwMajorVersion = aVersion >> 48;
info.dwMinorVersion = (aVersion >> 32) & 0xFFFF;
info.wServicePackMajor = (aVersion >> 16) & 0xFFFF;
info.wServicePackMinor = aVersion & 0xFFFF;
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);
@ -50,37 +50,75 @@ namespace mozilla
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;
}
MOZ_ALWAYS_INLINE bool
IsXPSP3OrLater()
{ return IsWindowsVersionOrLater(0x0005000100030000ull); }
{ return IsWindowsVersionOrLater(0x05010300ul); }
MOZ_ALWAYS_INLINE bool
IsWin2003OrLater()
{ return IsWindowsVersionOrLater(0x0005000200000000ull); }
{ return IsWindowsVersionOrLater(0x05020000ul); }
MOZ_ALWAYS_INLINE bool
IsWin2003SP2OrLater()
{ return IsWindowsVersionOrLater(0x0005000200020000ull); }
{ return IsWindowsVersionOrLater(0x05020200ul); }
MOZ_ALWAYS_INLINE bool
IsVistaOrLater()
{ return IsWindowsVersionOrLater(0x0006000000000000ull); }
{ return IsWindowsVersionOrLater(0x06000000ul); }
MOZ_ALWAYS_INLINE bool
IsVistaSP1OrLater()
{ return IsWindowsVersionOrLater(0x0006000000010000ull); }
{ return IsWindowsVersionOrLater(0x06000100ul); }
MOZ_ALWAYS_INLINE bool
IsWin7OrLater()
{ return IsWindowsVersionOrLater(0x0006000100000000ull); }
{ return IsWindowsVersionOrLater(0x06010000ul); }
MOZ_ALWAYS_INLINE bool
IsWin7SP1OrLater()
{ return IsWindowsVersionOrLater(0x0006000100010000ull); }
{ return IsWindowsVersionOrLater(0x06010100ul); }
MOZ_ALWAYS_INLINE bool
IsWin8OrLater()
{ return IsWindowsVersionOrLater(0x0006000200000000ull); }
{ return IsWindowsVersionOrLater(0x06020000ul); }
MOZ_ALWAYS_INLINE bool
IsWin7RTMOrLater()
{
return IsWin7SP1OrLater() ||
(IsWin7OrLater() && IsWindowsBuildOrLater(7600));
}
}
#endif /* mozilla_WindowsVersion_h */