| 10 | static bool versionInitialized = false; |
| 11 | |
| 12 | void InitVersion() |
| 13 | { |
| 14 | if (versionInitialized) |
| 15 | return; |
| 16 | |
| 17 | g_WinVer.native.dwOSVersionInfoSize = sizeof(g_WinVer.native); |
| 18 | |
| 19 | using fnRtlGetVersion = NTSTATUS(NTAPI*)(PRTL_OSVERSIONINFOEXW lpVersionInformation); |
| 20 | auto RtlGetVersion = (fnRtlGetVersion)GetProcAddress(GetModuleHandleW(L"ntdll.dll"), "RtlGetVersion"); |
| 21 | if (RtlGetVersion) |
| 22 | { |
| 23 | RtlGetVersion(&g_WinVer.native); |
| 24 | } |
| 25 | |
| 26 | if (g_WinVer.native.dwMajorVersion != 0) |
| 27 | { |
| 28 | auto fullver = (g_WinVer.native.dwMajorVersion << 8) | g_WinVer.native.dwMinorVersion; |
| 29 | switch (fullver) |
| 30 | { |
| 31 | case Win32WinNtWIN10: |
| 32 | if (g_WinVer.native.dwBuildNumber >= Build_W11_21H2) |
| 33 | g_WinVer.ver = Win11_21H2; |
| 34 | else if (g_WinVer.native.dwBuildNumber >= Build_21H1) |
| 35 | g_WinVer.ver = Win10_21H1; |
| 36 | else if (g_WinVer.native.dwBuildNumber >= Build_20H2) |
| 37 | g_WinVer.ver = Win10_20H2; |
| 38 | else if (g_WinVer.native.dwBuildNumber >= Build_20H1) |
| 39 | g_WinVer.ver = Win10_20H1; |
| 40 | else if (g_WinVer.native.dwBuildNumber >= Build_19H2) |
| 41 | g_WinVer.ver = Win10_19H2; |
| 42 | else if (g_WinVer.native.dwBuildNumber >= Build_19H1) |
| 43 | g_WinVer.ver = Win10_19H1; |
| 44 | else if (g_WinVer.native.dwBuildNumber >= Build_RS5) |
| 45 | g_WinVer.ver = Win10_RS5; |
| 46 | else if (g_WinVer.native.dwBuildNumber >= Build_RS4) |
| 47 | g_WinVer.ver = Win10_RS4; |
| 48 | else if (g_WinVer.native.dwBuildNumber >= Build_RS3) |
| 49 | g_WinVer.ver = Win10_RS3; |
| 50 | else if (g_WinVer.native.dwBuildNumber >= Build_RS2) |
| 51 | g_WinVer.ver = Win10_RS2; |
| 52 | else if (g_WinVer.native.dwBuildNumber >= Build_RS1) |
| 53 | g_WinVer.ver = Win10_RS1; |
| 54 | else if (g_WinVer.native.dwBuildNumber >= Build_RS0) |
| 55 | g_WinVer.ver = Win10; |
| 56 | break; |
| 57 | |
| 58 | case Win32WinNtWINBLUE: |
| 59 | g_WinVer.ver = Win8Point1; |
| 60 | break; |
| 61 | |
| 62 | case Win32WinNtWIN8: |
| 63 | g_WinVer.ver = Win8; |
| 64 | break; |
| 65 | |
| 66 | case Win32WinNtWIN7: |
| 67 | g_WinVer.ver = Win7; |
| 68 | break; |
| 69 |
no test coverage detected