Function FindHandleDeleter

cpp/src/arrow/util/io_util.cc:695–700

namespace {

void FindHandleDeleter(HANDLE* handle) {
  if (!FindClose(*handle)) {
    ARROW_LOG(WARNING) << "Cannot close directory handle: "
                       << WinErrorMessage(GetLastError());
  }
}

std::wstring PathWithoutTrailingSlash(const PlatformFilename& fn) {
  std::wstring path = fn.ToNative();