25 lines
720 B
C++
25 lines
720 B
C++
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/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: Compression.hpp
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Date: 2021-6-17
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Author: Reece
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***/
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#pragma once
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namespace Aurora::Compression
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{
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static const AuUInt64 kChunkSize = 4096;
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// This is acommon prolog required by BlockCompressors and BlockDecompressors. dw about it.
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static inline bool StreamRead(void * /*opt*/ buffer, AuUInt32 &len, AuList<AuUInt8> &vec)
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{
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len = std::min(AuUInt32(vec.size()), len);
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if (len == 0) return false;
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std::memcpy(buffer, vec.data(), len);
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auto rem = vec.size() - len;
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std::memmove(vec.data(), vec.data() + len, rem);
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vec.resize(rem);
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return true;
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}
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}
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