// https://cirosantilli.com/linux-kernel-module-cheat#cpp

#include <iostream>

#include <random>

int main(int argc, char **argv) {

// Potentially expensive /dev/urandom read that waits for entropy.

std::random_device dev;

auto seed = dev();

std::mt19937 prng(seed);

std::uniform_int_distribution<uint64_t> zero_ull_max(0);

std::uniform_int_distribution<uint8_t> one_to_six(1, 6);

unsigned long long loops = 1;

if (argc > 1) {

loops = std::stoull(argv[1], NULL, 0);

}

for (auto i = 0U; i < loops; ++i) {

std::cout << "zero_to_ull_max 0x" << std::hex << zero_ull_max(prng) << std::endl;

std::cout << "one_to_six " << std::dec << one_to_six(prng) << std::endl;

}

}