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87 lines
2.4 KiB
C++
87 lines
2.4 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 "nscore.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(uint64_t aVersion)
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{
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static uint64_t minVersion = 0;
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static uint64_t maxVersion = UINT64_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 >> 48;
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info.dwMinorVersion = (aVersion >> 32) & 0xFFFF;
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info.wServicePackMajor = (aVersion >> 16) & 0xFFFF;
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info.wServicePackMinor = aVersion & 0xFFFF;
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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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MOZ_ALWAYS_INLINE bool
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IsXPSP3OrLater()
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{ return IsWindowsVersionOrLater(0x0005000100030000ull); }
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MOZ_ALWAYS_INLINE bool
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IsWin2003OrLater()
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{ return IsWindowsVersionOrLater(0x0005000200000000ull); }
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MOZ_ALWAYS_INLINE bool
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IsWin2003SP2OrLater()
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{ return IsWindowsVersionOrLater(0x0005000200020000ull); }
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MOZ_ALWAYS_INLINE bool
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IsVistaOrLater()
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{ return IsWindowsVersionOrLater(0x0006000000000000ull); }
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MOZ_ALWAYS_INLINE bool
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IsVistaSP1OrLater()
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{ return IsWindowsVersionOrLater(0x0006000000010000ull); }
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MOZ_ALWAYS_INLINE bool
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IsWin7OrLater()
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{ return IsWindowsVersionOrLater(0x0006000100000000ull); }
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MOZ_ALWAYS_INLINE bool
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IsWin7SP1OrLater()
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{ return IsWindowsVersionOrLater(0x0006000100010000ull); }
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MOZ_ALWAYS_INLINE bool
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IsWin8OrLater()
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{ return IsWindowsVersionOrLater(0x0006000200000000ull); }
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}
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#endif /* mozilla_WindowsVersion_h */
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