136 lines
4.0 KiB
C
136 lines
4.0 KiB
C
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BOOL DisplaySystemVersion(LPTSTR buffer)
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{
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OSVERSIONINFOEX osvi;
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BOOL bOsVersionInfoEx;
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LPTSTR tmp=buffer;
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// Try calling GetVersionEx using the OSVERSIONINFOEX structure.
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// If that fails, try using the OSVERSIONINFO structure.
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ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi);
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if( !bOsVersionInfoEx )
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{
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// If OSVERSIONINFOEX doesn't work, try OSVERSIONINFO.
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osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
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if (! GetVersionEx ( (OSVERSIONINFO *) &osvi) )
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return FALSE;
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}
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switch (osvi.dwPlatformId)
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{
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// Tests for Windows NT product family.
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case VER_PLATFORM_WIN32_NT:
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// Test for the product.
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if ( osvi.dwMajorVersion <= 4 )
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tmp+=_stprintf( tmp, _T("Microsoft Windows NT ") );
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if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 )
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tmp+=_stprintf( tmp, _T("Microsoft Windows 2000 ") );
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if( bOsVersionInfoEx ) // Use information from GetVersionEx.
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{
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// Test for the workstation type.
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if ( osvi.wProductType == VER_NT_WORKSTATION )
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{
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if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
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tmp+=_stprintf ( tmp, _T("Microsoft Windows XP ") );
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if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
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tmp+=_stprintf ( tmp, _T("Home Edition ") );
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else
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tmp+=_stprintf ( tmp, _T("Professional ") );
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}
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// Test for the server type.
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else if ( osvi.wProductType == VER_NT_SERVER )
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{
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if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
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tmp+=_stprintf ( tmp, _T("Microsoft Windows .NET ") );
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if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
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tmp+=_stprintf ( tmp, _T("DataCenter Server ") );
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else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
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if( osvi.dwMajorVersion == 4 )
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tmp+=_stprintf ( tmp, _T("Advanced Server ") );
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else
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tmp+=_stprintf ( tmp, _T("Enterprise Server ") );
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else if ( osvi.wSuiteMask == VER_SUITE_BLADE )
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tmp+=_stprintf ( tmp, _T("Web Server ") );
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else
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tmp+=_stprintf ( tmp, _T("Server ") );
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}
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}
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else // Use the registry on early versions of Windows NT.
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{
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HKEY hKey;
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TCHAR szProductType[80];
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DWORD dwBufLen=80*sizeof(TCHAR);
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RegOpenKeyEx( HKEY_LOCAL_MACHINE,
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_T("SYSTEM\\CurrentControlSet\\Control\\ProductOptions"),
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0, KEY_QUERY_VALUE, &hKey );
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RegQueryValueEx( hKey, _T("ProductType"), NULL, NULL,
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(LPBYTE) szProductType, &dwBufLen);
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RegCloseKey( hKey );
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if ( lstrcmpi( _T("WINNT"), szProductType) == 0 )
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tmp+=_stprintf( tmp, _T("Professional ") );
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if ( lstrcmpi( _T("LANMANNT"), szProductType) == 0 )
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tmp+=_stprintf( tmp, _T("Server ") );
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if ( lstrcmpi( _T("SERVERNT"), szProductType) == 0 )
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tmp+=_stprintf( tmp, _T("Advanced Server ") );
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}
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// Display version, service pack (if any), and build number.
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if ( osvi.dwMajorVersion <= 4 )
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{
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tmp+=_stprintf ( tmp, _T("version %d.%d %s (Build %d)"),
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osvi.dwMajorVersion,
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osvi.dwMinorVersion,
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osvi.szCSDVersion,
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osvi.dwBuildNumber & 0xFFFF);
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}
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else
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{
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tmp+=_stprintf ( tmp, _T("%s (Build %d)"),
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osvi.szCSDVersion,
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osvi.dwBuildNumber & 0xFFFF);
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}
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break;
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// Test for the Windows 95 product family.
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case VER_PLATFORM_WIN32_WINDOWS:
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if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
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{
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tmp+=_stprintf ( tmp, _T("Microsoft Windows 95 ") );
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if ( osvi.szCSDVersion[1] == 'C' || osvi.szCSDVersion[1] == 'B' )
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tmp+=_stprintf( tmp, _T("OSR2 ") );
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}
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if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
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{
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tmp+=_stprintf ( tmp, _T("Microsoft Windows 98 ") );
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if ( osvi.szCSDVersion[1] == 'A' )
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tmp+=_stprintf( tmp, _T("SE ") );
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}
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if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
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{
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tmp+=_stprintf ( tmp, _T("Microsoft Windows Millennium Edition ") );
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}
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break;
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}
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if (tmp==buffer)
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tmp+=_stprintf( tmp, _T("%d.%d build %d"), osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber);
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return TRUE;
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}
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