Function startsWith

test/brpc_controller_unittest.cpp:85–90

    return memcmp(s1.data() + s1.size() - s2.size(), s2.data(), s2.size()) == 0;
}
static bool startsWith(const std::string& s1, const butil::StringPiece& s2)  {
    if (s1.size() < s2.size()) {
        return false;
    }
    return memcmp(s1.data(), s2.data(), s2.size()) == 0;
}

DECLARE_bool(log_as_json);