Method grow

extra/yassl/taocrypt/include/file.hpp:45–45

                                 else return buffer_.size() - current_; } 
    word32 size() const        { return buffer_.size(); }
    void   grow(word32 sz)     { buffer_.CleanGrow(sz); }

    bool IsLeft(word32 sz) { if (remaining() >= sz) return true;
                             else { SetError(CONTENT_E); return false; } }