mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 09:49:15 +03:00
f1c452059c
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
39 lines
705 B
C++
39 lines
705 B
C++
/*
|
|
* Copyright (c) 2020-2022, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Span.h>
|
|
#include <AK/Types.h>
|
|
#include <LibCrypto/Checksum/ChecksumFunction.h>
|
|
|
|
namespace Crypto::Checksum {
|
|
|
|
class Adler32 : public ChecksumFunction<u32> {
|
|
public:
|
|
Adler32() = default;
|
|
Adler32(ReadonlyBytes data)
|
|
{
|
|
update(data);
|
|
}
|
|
|
|
Adler32(u32 initial_a, u32 initial_b, ReadonlyBytes data)
|
|
: m_state_a(initial_a)
|
|
, m_state_b(initial_b)
|
|
{
|
|
update(data);
|
|
}
|
|
|
|
virtual void update(ReadonlyBytes data) override;
|
|
virtual u32 digest() override;
|
|
|
|
private:
|
|
u32 m_state_a { 1 };
|
|
u32 m_state_b { 0 };
|
|
};
|
|
|
|
}
|