26 lines
637 B
Dart
26 lines
637 B
Dart
import 'dart:collection';
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import 'dart:ffi';
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import 'dart:io';
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import 'dart:typed_data';
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import "package:ffi/ffi.dart";
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class LengthPointer<T extends NativeType> {
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final Pointer<T> ptr;
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final int length;
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LengthPointer(this.ptr, this.length);
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}
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Pointer<Uint8> uint8ListToPointer(Uint8List data) {
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final Pointer<Uint8> ptr = malloc<Uint8>(data.length);
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for (int i = 0; i < data.length; ++i) {
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ptr[i] = data[i];
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}
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return ptr;
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}
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LengthPointer<Uint8> readUint8Ptr(File file) {
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final fileData = file.readAsBytesSync();
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final data = uint8ListToPointer(fileData);
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return LengthPointer<Uint8>(data, fileData.length);
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}
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