Method Read

src/leveldb/util/env_posix.cc:235–244

  }

  Status Read(uint64_t offset, size_t n, Slice* result,
              char* scratch) const override {
    if (offset + n > length_) {
      *result = Slice();
      return PosixError(filename_, EINVAL);
    }

    *result = Slice(mmap_base_ + offset, n);
    return Status::OK();
  }

  virtual std::string GetName() const override { return filename_; }