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| 1 | +#include "hdiff.h" |
| 2 | +#include "../HDiffPatch/libHDiffPatch/HDiff/diff.h" |
| 3 | +#include <stdexcept> |
| 4 | + |
| 5 | +#define _CompressPlugin_lzma2 |
| 6 | +#define _IsNeedIncludeDefaultCompressHead 0 |
| 7 | +#include "../lzma/C/Lzma2Dec.h" |
| 8 | +#include "../lzma/C/Lzma2Enc.h" |
| 9 | +#include "../lzma/C/MtCoder.h" |
| 10 | +#include "../HDiffPatch/compress_plugin_demo.h" |
| 11 | +#include "../HDiffPatch/decompress_plugin_demo.h" |
| 12 | + |
| 13 | +void hdiff(const uint8_t* old, size_t oldsize, const uint8_t* _new, size_t newsize, |
| 14 | + std::vector<uint8_t>& out_codeBuf) { |
| 15 | + const int myBestSingleMatchScore = 3; |
| 16 | + const size_t myBestStepMemSize = kDefaultStepMemSize; |
| 17 | + const size_t myBestDictSize = (1 << 20) * 8; // 固定 8MB,与 v1.0.6 一致 |
| 18 | + |
| 19 | + hpatch_TDecompress* decompressPlugin = &lzma2DecompressPlugin; |
| 20 | + TCompressPlugin_lzma2 compressPlugin = lzma2CompressPlugin; |
| 21 | + compressPlugin.compress_level = 9; |
| 22 | + compressPlugin.dict_size = myBestDictSize; |
| 23 | + compressPlugin.thread_num = 1; |
| 24 | + |
| 25 | + create_single_compressed_diff(_new, _new + newsize, old, old + oldsize, out_codeBuf, 0, |
| 26 | + &compressPlugin.base, myBestSingleMatchScore, myBestStepMemSize); |
| 27 | + |
| 28 | + if (!check_single_compressed_diff(_new, _new + newsize, old, old + oldsize, out_codeBuf.data(), |
| 29 | + out_codeBuf.data() + out_codeBuf.size(), decompressPlugin)) { |
| 30 | + throw std::runtime_error("check_single_compressed_diff() failed, diff code error!"); |
| 31 | + } |
| 32 | +} |
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