Method SetLimit

src/commons/serialize.h:1492–1497

prevent reading beyond a certain position no argument removes the limit

    // prevent reading beyond a certain position
    // no argument removes the limit
    bool SetLimit(uint64_t nPos = (uint64_t)(-1)) {
        if (nPos < nReadPos)
            return false;
        nReadLimit = nPos;
        return true;
    }

    template<typename T>
    CBufferedFile& operator>>(T& obj) {