Function OpenOutputStreamGeneric

cpp/src/arrow/filesystem/localfs.cc:688–702

namespace {

Result<std::shared_ptr<io::OutputStream>> OpenOutputStreamGeneric(const std::string& path,
                                                                  bool truncate,
                                                                  bool append) {
  RETURN_NOT_OK(ValidatePath(path));
  ARROW_ASSIGN_OR_RAISE(auto fn, PlatformFilename::FromString(path));
  const bool write_only = true;
  ARROW_ASSIGN_OR_RAISE(
      auto fd, ::arrow::internal::FileOpenWritable(fn, write_only, truncate, append));
  int raw_fd = fd.Detach();
  auto maybe_stream = io::FileOutputStream::Open(raw_fd);
  if (!maybe_stream.ok()) {
    ARROW_UNUSED(::arrow::internal::FileClose(raw_fd));
  }
  return maybe_stream;
}

}  // namespace