Function wrapFFIFunction

lib/ffi.js:82–98

(rawFn, argumentTypes, returnType, owner)

}

function wrapFFIFunction(rawFn, argumentTypes, returnType, owner) {
  if (argumentTypes === undefined && rawFn !== undefined && rawFn !== null) {
    const sbArguments = rawFn[kSbArguments];
    argumentTypes = sbArguments ?? rawFn[kFastArguments];
    if (sbArguments !== undefined) {
      returnType = rawFn[kSbReturn];
    }
  }
  initializeFastBufferMetadata(rawFn, argumentTypes);
  const wrapped = wrapWithSharedBuffer(
    rawFn,
    argumentTypes === undefined ? undefined : makeSignature(argumentTypes, returnType));
  if (wrapped !== rawFn) {
    return wrapped;
  }
  return wrapWithRawPointerConversions(rawFn, argumentTypes, owner);
}

const rawGetFunction = DynamicLibrary.prototype.getFunction;
const rawGetFunctions = DynamicLibrary.prototype.getFunctions;