The Tor Browser / file comparison
comparison: mfbt/WindowsVersion.h
mfbt/WindowsVersion.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:b914e7d92ee4 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef mozilla_WindowsVersion_h | |
| 6 #define mozilla_WindowsVersion_h | |
| 7 | |
| 8 #include "mozilla/Attributes.h" | |
| 9 #include <stdint.h> | |
| 10 #include <windows.h> | |
| 11 | |
| 12 namespace mozilla | |
| 13 { | |
| 14 inline bool | |
| 15 IsWindowsVersionOrLater(uint32_t aVersion) | |
| 16 { | |
| 17 static uint32_t minVersion = 0; | |
| 18 static uint32_t maxVersion = UINT32_MAX; | |
| 19 | |
| 20 if (minVersion >= aVersion) { | |
| 21 return true; | |
| 22 } | |
| 23 | |
| 24 if (aVersion >= maxVersion) { | |
| 25 return false; | |
| 26 } | |
| 27 | |
| 28 OSVERSIONINFOEX info; | |
| 29 ZeroMemory(&info, sizeof(OSVERSIONINFOEX)); | |
| 30 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); | |
| 31 info.dwMajorVersion = aVersion >> 24; | |
| 32 info.dwMinorVersion = (aVersion >> 16) & 0xFF; | |
| 33 info.wServicePackMajor = (aVersion >> 8) & 0xFF; | |
| 34 info.wServicePackMinor = aVersion & 0xFF; | |
| 35 | |
| 36 DWORDLONG conditionMask = 0; | |
| 37 VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL); | |
| 38 VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL); | |
| 39 VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL); | |
| 40 VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL); | |
| 41 | |
| 42 if (VerifyVersionInfo(&info, | |
| 43 VER_MAJORVERSION | VER_MINORVERSION | | |
| 44 VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, | |
| 45 conditionMask)) { | |
| 46 minVersion = aVersion; | |
| 47 return true; | |
| 48 } | |
| 49 | |
| 50 maxVersion = aVersion; | |
| 51 return false; | |
| 52 } | |
| 53 | |
| 54 inline bool | |
| 55 IsWindowsBuildOrLater(uint32_t aBuild) | |
| 56 { | |
| 57 static uint32_t minBuild = 0; | |
| 58 static uint32_t maxBuild = UINT32_MAX; | |
| 59 | |
| 60 if (minBuild >= aBuild) { | |
| 61 return true; | |
| 62 } | |
| 63 | |
| 64 if (aBuild >= maxBuild) { | |
| 65 return false; | |
| 66 } | |
| 67 | |
| 68 OSVERSIONINFOEX info; | |
| 69 ZeroMemory(&info, sizeof(OSVERSIONINFOEX)); | |
| 70 info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); | |
| 71 info.dwBuildNumber = aBuild; | |
| 72 | |
| 73 DWORDLONG conditionMask = 0; | |
| 74 VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL); | |
| 75 | |
| 76 if (VerifyVersionInfo(&info, VER_BUILDNUMBER, conditionMask)) { | |
| 77 minBuild = aBuild; | |
| 78 return true; | |
| 79 } | |
| 80 | |
| 81 maxBuild = aBuild; | |
| 82 return false; | |
| 83 } | |
| 84 | |
| 85 MOZ_ALWAYS_INLINE bool | |
| 86 IsXPSP3OrLater() | |
| 87 { return IsWindowsVersionOrLater(0x05010300ul); } | |
| 88 | |
| 89 MOZ_ALWAYS_INLINE bool | |
| 90 IsWin2003OrLater() | |
| 91 { return IsWindowsVersionOrLater(0x05020000ul); } | |
| 92 | |
| 93 MOZ_ALWAYS_INLINE bool | |
| 94 IsWin2003SP2OrLater() | |
| 95 { return IsWindowsVersionOrLater(0x05020200ul); } | |
| 96 | |
| 97 MOZ_ALWAYS_INLINE bool | |
| 98 IsVistaOrLater() | |
| 99 { return IsWindowsVersionOrLater(0x06000000ul); } | |
| 100 | |
| 101 MOZ_ALWAYS_INLINE bool | |
| 102 IsVistaSP1OrLater() | |
| 103 { return IsWindowsVersionOrLater(0x06000100ul); } | |
| 104 | |
| 105 MOZ_ALWAYS_INLINE bool | |
| 106 IsWin7OrLater() | |
| 107 { return IsWindowsVersionOrLater(0x06010000ul); } | |
| 108 | |
| 109 MOZ_ALWAYS_INLINE bool | |
| 110 IsWin7SP1OrLater() | |
| 111 { return IsWindowsVersionOrLater(0x06010100ul); } | |
| 112 | |
| 113 MOZ_ALWAYS_INLINE bool | |
| 114 IsWin8OrLater() | |
| 115 { return IsWindowsVersionOrLater(0x06020000ul); } | |
| 116 | |
| 117 MOZ_ALWAYS_INLINE bool | |
| 118 IsNotWin7PreRTM() | |
| 119 { | |
| 120 return IsWin7SP1OrLater() || !IsWin7OrLater() || | |
| 121 IsWindowsBuildOrLater(7600); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 #endif /* mozilla_WindowsVersion_h */ |
