ffi_utils library

Utilities for working with Foreign Function Interface (FFI) code, incl. converting between Dart strings and C strings encoded with UTF-8 and UTF-16.

This is quivalent to the package:ffi/ffi.dart package for the web platform.

Classes

Arena

An Allocator which frees all allocations at the same time.

Utf16

The contents of a native zero-terminated array of UTF-16 code units.

Utf8

The contents of a native zero-terminated array of UTF-8 code units.

Extensions

StringUtf16Pointer on String

Extension method for converting a String to a Pointer<Utf16>.

StringUtf8Pointer on String

Extension method for converting a String to a Pointer<Utf8>.

Utf16Pointer on Pointer<Utf16>

Extension method for converting aPointer<Utf16> to a String.

Utf8Pointer on Pointer<Utf8>

Extension method for converting aPointer<Utf8> to a String.

Constants

calloc → const CallocAllocator

Uses global memory instance to manage memory.

malloc → const MallocAllocator

Uses global memory instance to manage memory.

Properties

zoneArena → Arena

A zone-specific Arena.

no setter

Functions

using<R>(R computation(Arena), [Allocator wrappedAllocator = calloc]) → R

Runs computation with a new Arena, and releases all allocations at the end.

withZoneArena<R>(R computation(), [Allocator wrappedAllocator = calloc]) → R

Creates a zoned Arena to manage native resources.