Method Read

cpp/src/arrow/filesystem/gcsfs.cc:146–153

@{ @name Readable

  //@{
  // @name Readable
  Result<int64_t> Read(int64_t nbytes, void* out) override {
    if (closed()) return Status::Invalid("Cannot read from a closed stream");
    stream_.read(static_cast<char*>(out), nbytes);
    ARROW_GCS_RETURN_NOT_OK(stream_.status());
    int64_t nread = stream_.gcount();
    nread_ += nread;
    return nread;
  }

  Result<std::shared_ptr<Buffer>> Read(int64_t nbytes) override {
    if (closed()) return Status::Invalid("Cannot read from a closed stream");