Luna/libluna/include/luna/CRC32.h

/**
 * @file CRC32.h
 * @author apio (cloudapio.eu)
 * @brief CRC32 checksum calculation.
 *
 * @copyright Copyright (c) 2023, the Luna authors.
 *
 */

#pragma once
#include <luna/Types.h>

/**
 * @brief A class to calculate a CRC32 checksum.
 */
class CRC32
{
  public:
    /**
     * @brief Add data to the checksum.
     *
     * @param data The data to add.
     * @param size The amount of bytes to add.
     */
    void append(const u8* data, usize size);

    /**
     * @brief Calculate the final checksum.
     *
     * @return u32 The calculated checksum.
     */
    u32 digest();

  private:
    u32 m_checksum = 0xffffffffu;
};