Method TryFastAppend

Libraries/snappy/snappy.cc:1171–1183

  }

  inline bool TryFastAppend(const char* ip, size_t available, size_t len) {
    char* op = op_;
    const size_t space_left = op_limit_ - op;
    if (len <= 16 && available >= 16 + kMaximumTagLength && space_left >= 16) {
      // Fast path, used for the majority (about 95%) of invocations.
      UnalignedCopy64(ip, op);
      UnalignedCopy64(ip + 8, op + 8);
      op_ = op + len;
      return true;
    } else {
      return false;
    }
  }

  inline bool AppendFromSelf(size_t offset, size_t len) {
    char* op = op_;