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poggers test commit

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This commit is contained in:
Jett
2022-12-20 22:48:58 +00:00
parent 2fdcf62ec6
commit df21009672
8 changed files with 273 additions and 0 deletions
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28
dCommon/ZCompression.cpp
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@@ -8,6 +8,34 @@ namespace ZCompression {
return (nLenSrc + 6 + (n16kBlocks * 5));
}
int32_t GZipCompress(const uint8_t* abSrc, int32_t nLenSrc, uint8_t* abDst, int32_t nLenDst) {
z_stream stream;
stream.next_in = (Bytef*)abSrc;
stream.avail_in = nLenSrc;
stream.next_out = (Bytef*)abDst;
stream.avail_out = nLenDst;
stream.zalloc = Z_NULL;
stream.zfree = Z_NULL;
stream.opaque = Z_NULL;
int32_t nErr, nRet = -1;
nErr = deflateInit2(&stream, Z_DEFAULT_COMPRESSION, Z_DEFLATED, -MAX_WBITS, 8, Z_DEFAULT_STRATEGY);
if (nErr == Z_OK) {
nErr = deflate(&stream, Z_FINISH);
if (nErr == Z_STREAM_END) {
nRet = stream.total_out;
} else {
deflateEnd(&stream);
return nErr;
}
} else {
return nErr;
}
nErr = deflateEnd(&stream);
return (nErr == Z_OK) ? nRet : nErr;
}
int32_t Compress(const uint8_t* abSrc, int32_t nLenSrc, uint8_t* abDst, int32_t nLenDst) {
z_stream zInfo = { 0 };
zInfo.total_in = zInfo.avail_in = nLenSrc;

1
dCommon/ZCompression.h
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@@ -5,6 +5,7 @@
namespace ZCompression {
int32_t GetMaxCompressedLength(int32_t nLenSrc);
int32_t GZipCompress(const uint8_t* abSrc, int32_t nLenSrc, uint8_t* abDst, int32_t nLenDst);
int32_t Compress(const uint8_t* abSrc, int32_t nLenSrc, uint8_t* abDst, int32_t nLenDst);
int32_t Decompress(const uint8_t* abSrc, int32_t nLenSrc, uint8_t* abDst, int32_t nLenDst, int32_t& nErr);