140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
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* Copyright (c) 2018-2019, AuriStor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _VERSIONSUPPORT_H_
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#define _VERSIONSUPPORT_H_ 1
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/*
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* IsWindowsVersionOrGreater() is provided by Windows SDK 8.1 or greater.
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* As AuriStorFS supports building with SDK 7.0 and greater we must
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* provide our own. VerifyVersionInfoW() is present on Windows XP and
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* later.
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*/
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#ifndef _WIN32_WINNT_WIN7
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#define _WIN32_WINNT_WIN7 0x0601
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#endif
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#ifndef _WIN32_WINNT_WIN8
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#define _WIN32_WINNT_WIN8 0x0602
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#endif
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#ifndef _WIN32_WINNT_WINBLUE
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#define _WIN32_WINNT_WINBLUE 0x0603
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#endif
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/* Based upon VersionHelpers.h */
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FORCEINLINE BOOL
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IsWindowsVersionOrGreater(WORD wMajorVersion,
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WORD wMinorVersion,
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WORD wServicePackMajor)
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{
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OSVERSIONINFOEXW osvi;
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DWORDLONG dwlConditionMask = 0;
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dwlConditionMask = VerSetConditionMask(dwlConditionMask,
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VER_MAJORVERSION,
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VER_GREATER_EQUAL);
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dwlConditionMask = VerSetConditionMask(dwlConditionMask,
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VER_MINORVERSION,
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VER_GREATER_EQUAL);
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dwlConditionMask = VerSetConditionMask(dwlConditionMask,
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VER_SERVICEPACKMAJOR,
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VER_GREATER_EQUAL);
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memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
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osvi.dwMajorVersion = wMajorVersion;
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osvi.dwMinorVersion = wMinorVersion;
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osvi.wServicePackMajor = wServicePackMajor;
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return VerifyVersionInfoW(&osvi,
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(VER_MAJORVERSION |
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VER_MINORVERSION |
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VER_SERVICEPACKMAJOR),
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dwlConditionMask);
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}
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FORCEINLINE BOOL
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IsWindowsXPOrGreater(VOID)
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{
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return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP),
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LOBYTE(_WIN32_WINNT_WINXP),
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0);
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}
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FORCEINLINE BOOL
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IsWindows7OrGreater(VOID)
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{
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return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7),
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LOBYTE(_WIN32_WINNT_WIN7),
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0);
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}
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FORCEINLINE BOOL
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IsWindows8OrGreater(VOID)
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{
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return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN8),
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LOBYTE(_WIN32_WINNT_WIN8),
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0);
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}
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FORCEINLINE BOOL
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IsWindows8Point1OrGreater(VOID)
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{
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return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINBLUE),
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LOBYTE(_WIN32_WINNT_WINBLUE),
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0);
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}
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#define IS_WINDOWS_VERSION_OR_GREATER_CACHED(fn) \
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\
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FORCEINLINE BOOL \
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fn##Cached(VOID) \
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{ \
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static LONG lIsVersionOrGreater = -1; \
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\
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if (lIsVersionOrGreater == -1) { \
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LONG lResult = fn(); \
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InterlockedCompareExchangeRelease(&lIsVersionOrGreater, \
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lResult, -1); \
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} \
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\
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return lIsVersionOrGreater == 1; \
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}
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IS_WINDOWS_VERSION_OR_GREATER_CACHED(IsWindowsXPOrGreater)
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IS_WINDOWS_VERSION_OR_GREATER_CACHED(IsWindows7OrGreater)
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IS_WINDOWS_VERSION_OR_GREATER_CACHED(IsWindows8OrGreater)
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IS_WINDOWS_VERSION_OR_GREATER_CACHED(IsWindows8Point1OrGreater)
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#endif /* _VERSIONSUPPORT_H_ */
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