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author | Daniel Wilhelm <daniel@wili.li> | 2015-10-02 14:53:20 +0200 |
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committer | Daniel Wilhelm <daniel@wili.li> | 2015-10-02 14:53:20 +0200 |
commit | 94db751716dd2851f99b5c4c2981da1d1f4780f8 (patch) | |
tree | e4ffc9f5ae2b2873f267a6e5d3d2092c8aad49a7 /zen/win_ver.h | |
parent | 6.10 (diff) | |
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6.11
Diffstat (limited to 'zen/win_ver.h')
-rw-r--r-- | zen/win_ver.h | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/zen/win_ver.h b/zen/win_ver.h index 0d3f8d70..1d7ce7f0 100644 --- a/zen/win_ver.h +++ b/zen/win_ver.h @@ -7,24 +7,26 @@ #ifndef WINDOWS_VERSION_HEADER_238470348254325 #define WINDOWS_VERSION_HEADER_238470348254325 +#include <cassert> #include <utility> #include "win.h" //includes "windows.h" namespace zen { - struct OsVersion - { - OsVersion() : major(), minor() {} - OsVersion(DWORD high, DWORD low) : major(high), minor(low) {} +struct OsVersion +{ + OsVersion() : major(), minor() {} + OsVersion(DWORD high, DWORD low) : major(high), minor(low) {} - DWORD major; - DWORD minor; - }; - inline bool operator< (const OsVersion& lhs, const OsVersion& rhs) { return lhs.major != rhs.major ? lhs.major < rhs.major : lhs.minor < rhs.minor; } - inline bool operator==(const OsVersion& lhs, const OsVersion& rhs) { return lhs.major == rhs.major && lhs.minor == rhs.minor; } + DWORD major; + DWORD minor; +}; +inline bool operator< (const OsVersion& lhs, const OsVersion& rhs) { return lhs.major != rhs.major ? lhs.major < rhs.major : lhs.minor < rhs.minor; } +inline bool operator==(const OsVersion& lhs, const OsVersion& rhs) { return lhs.major == rhs.major && lhs.minor == rhs.minor; } //version overview: http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx +const OsVersion osVersionWin10 (6, 4); const OsVersion osVersionWin81 (6, 3); const OsVersion osVersionWin8 (6, 2); const OsVersion osVersionWin7 (6, 1); @@ -61,11 +63,18 @@ OsVersion getOsVersion() { OSVERSIONINFO osvi = {}; osvi.dwOSVersionInfoSize = sizeof(osvi); +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable : 4996) //"'GetVersionExW': was declared deprecated" +#endif if (!::GetVersionEx(&osvi)) //38 ns per call! (yes, that's nano!) -> we do NOT miss C++11 thread-safe statics right now... - { - assert(false); - return OsVersion(); - } +#ifdef _MSC_VER +#pragma warning(pop) +#endif + { + assert(false); + return OsVersion(); + } return OsVersion(osvi.dwMajorVersion, osvi.dwMinorVersion); } @@ -78,16 +87,16 @@ bool isRealOsVersion(const OsVersion& ver) verInfo.dwMajorVersion = ver.major; verInfo.dwMinorVersion = ver.minor; - //Syntax: http://msdn.microsoft.com/en-us/library/windows/desktop/ms725491%28v=vs.85%29.aspx + //Syntax: http://msdn.microsoft.com/en-us/library/windows/desktop/ms725491%28v=vs.85%29.aspx DWORDLONG conditionMask = 0; VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_EQUAL); VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_EQUAL); const bool rv = ::VerifyVersionInfo(&verInfo, VER_MAJORVERSION | VER_MINORVERSION, conditionMask) - == TRUE; //silence VC "performance warnings" - assert(rv || GetLastError() == ERROR_OLD_WIN_VERSION); + == TRUE; //silence VC "performance warnings" + assert(rv || GetLastError() == ERROR_OLD_WIN_VERSION); - return rv; + return rv; } } |