1
0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-23 18:31:53 +00:00
CLK/Machines/Utility/MemoryFuzzer.cpp
2019-08-11 21:41:12 -04:00

29 lines
646 B
C++

//
// MemoryFuzzer.cpp
// Clock Signal
//
// Created by Thomas Harte on 19/10/2016.
// Copyright 2016 Thomas Harte. All rights reserved.
//
#include "MemoryFuzzer.hpp"
#include <cstdlib>
void Memory::Fuzz(uint8_t *buffer, std::size_t size) {
unsigned int divider = (static_cast<unsigned int>(RAND_MAX) + 1) / 256;
unsigned int shift = 1, value = 1;
while(value < divider) {
value <<= 1;
shift++;
}
for(std::size_t c = 0; c < size; c++) {
buffer[c] = static_cast<uint8_t>(std::rand() >> shift);
}
}
void Memory::Fuzz(uint16_t *buffer, std::size_t size) {
Fuzz(reinterpret_cast<uint8_t *>(buffer), size * sizeof(uint16_t));
}