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#include "commonheaders.h"
// gzip data
BYTE *cpp_gzip(BYTE *pData, size_t nLen, size_t& nCompressedLen)
{
string zipped;
Gzip gzip(new StringSink(zipped), 5); // 1 is fast, 9 is slow
gzip.Put(pData, nLen);
gzip.MessageEnd();
nCompressedLen = (int)zipped.length();
PBYTE pCompressed = (PBYTE)malloc(nCompressedLen + 1);
memcpy(pCompressed, zipped.data(), nCompressedLen);
return pCompressed;
}
// gunzip data
BYTE *cpp_gunzip(BYTE *pCompressedData, size_t nCompressedLen, size_t& nLen)
{
string unzipped;
Gunzip gunzip(new StringSink(unzipped));
gunzip.Put((PBYTE)pCompressedData, nCompressedLen);
gunzip.MessageEnd();
nLen = (int)unzipped.length();
PBYTE pData = (PBYTE)malloc(nLen + 1);
memcpy(pData, unzipped.data(), nLen);
return pData;
}
// zlibc data
string cpp_zlibc(string& pData)
{
string zipped;
ZlibCompressor zlib(new StringSink(zipped), 5); // 1 is fast, 9 is slow
zlib.Put((PBYTE)pData.data(), pData.length());
zlib.MessageEnd();
return zipped;
}
// zlibd data
string cpp_zlibd(string& pData)
{
string unzipped;
ZlibDecompressor zlib(new StringSink(unzipped));
zlib.Put((PBYTE)pData.data(), pData.length());
zlib.MessageEnd();
return unzipped;
}
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