Refactor

lib/core/utils/ffi_utils.dart

@@ -0,0 +1,15 @@
+import 'dart:ffi';
+
+import 'package:ffi/ffi.dart';
+
+R withMemory<R, T extends NativeType>(
+  int size,
+  R Function(Pointer<T> memory) action,
+) {
+  final memory = calloc<Int8>(size);
+  try {
+    return action(memory.cast());
+  } finally {
+    calloc.free(memory);
+  }
+}