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AK: Add XOR method to ByteBuffer

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stelar7 2024-04-07 16:41:51 +02:00 committed by Andrew Kaster
parent 73a534494c
commit 3f1019b089
Notes: sideshowbarker 2024-07-17 06:00:02 +09:00 
Author: https://github.com/stelar7
Commit: https://github.com/SerenityOS/serenity/commit/3f1019b089
Pull-request: https://github.com/SerenityOS/serenity/pull/23879
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/nico
Reviewed-by: https://github.com/tcl3
1 changed files with 15 additions and 0 deletions
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15
AK/ByteBuffer.h
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@ -92,6 +92,21 @@ public:
return copy(bytes.data(), bytes.size());
}
[[nodiscard]] static ErrorOr<ByteBuffer> xor_buffers(ReadonlyBytes first, ReadonlyBytes second)
{
if (first.size() != second.size())
return Error::from_errno(EINVAL);
auto buffer = TRY(create_uninitialized(first.size()));
auto buffer_data = buffer.data();
auto first_data = first.data();
auto second_data = second.data();
for (size_t i = 0; i < first.size(); ++i)
buffer_data[i] = first_data[i] ^ second_data[i];
return { move(buffer) };
}
template<size_t other_inline_capacity>
bool operator==(ByteBuffer<other_inline_capacity> const& other) const
{