42 lines
1.2 KiB
Dart
42 lines
1.2 KiB
Dart
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import 'dart:ffi' hide Size;
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import 'package:ffi/ffi.dart';
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import 'package:win32/win32.dart' as win32;
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/// Get windows target build number.
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///
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/// [Note]
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/// Please use this function wrapped with `Platform.isWindows`.
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int getWindowsTargetBuildNumber_() {
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final rtlGetVersion = DynamicLibrary.open('ntdll.dll').lookupFunction<
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Void Function(Pointer<win32.OSVERSIONINFOEX>),
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void Function(Pointer<win32.OSVERSIONINFOEX>)>('RtlGetVersion');
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final osVersionInfo = _getOSVERSIONINFOEXPointer();
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rtlGetVersion(osVersionInfo);
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int buildNumber = osVersionInfo.ref.dwBuildNumber;
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calloc.free(osVersionInfo);
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return buildNumber;
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}
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/// Get Windows OS version pointer
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///
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/// [Note]
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/// Please use this function wrapped with `Platform.isWindows`.
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Pointer<win32.OSVERSIONINFOEX> _getOSVERSIONINFOEXPointer() {
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final pointer = calloc<win32.OSVERSIONINFOEX>();
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pointer.ref
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..dwOSVersionInfoSize = sizeOf<win32.OSVERSIONINFOEX>()
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..dwBuildNumber = 0
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..dwMajorVersion = 0
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..dwMinorVersion = 0
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..dwPlatformId = 0
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..szCSDVersion = ''
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..wServicePackMajor = 0
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..wServicePackMinor = 0
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..wSuiteMask = 0
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..wProductType = 0
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..wReserved = 0;
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return pointer;
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}
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