25 lines
687 B
Dart
25 lines
687 B
Dart
// Copyright (c) 2024 Xiaomi Corporation
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import 'dart:convert';
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import 'dart:ffi';
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import 'package:ffi/ffi.dart';
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int _strLen(Pointer<Uint8> codeUnits) {
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// this function is copied from
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// https://github.com/dart-archive/ffi/blob/main/lib/src/utf8.dart#L52
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var length = 0;
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while (codeUnits[length] != 0) {
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length++;
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}
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return length;
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}
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// This function is modified from
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// https://github.com/dart-archive/ffi/blob/main/lib/src/utf8.dart#L41
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// It ignores invalid utf8 sequence
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String toDartString(Pointer<Utf8> s) {
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final codeUnits = s.cast<Uint8>();
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final length = _strLen(codeUnits);
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return utf8.decode(codeUnits.asTypedList(length), allowMalformed: true);
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}
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