bool CSimpleZip::Add( const void* src, const unsigned int& srcSize, void* dst, unsigned int& dstSize, std::string& szErrmsg)
{
if ( NULL==src )
{
szErrmsg = "CSimpleZip: Invalid source.";
return false;
}
bool bRet = false;
CZipMemFile mfIn;
CZipMemFile mfOut;
CZipArchive zip;
try
{
mfIn.Write(src, srcSize);
zip.Open(mfOut, CZipArchive::zipCreate);
zip.AddNewFile(mfIn, _T("temp.txt"));
zip.Close();
int nLen = (int)mfOut.GetLength();
if ( NULL==dst || dstSize<nLen )
{
dstSize = nLen;
szErrmsg = "CSimpleZip: The size of destination buffer is too small.";
return false;
}
BYTE* b = mfOut.Detach();
memcpy_s(dst, dstSize, b, nLen);
dstSize = nLen;
free(b);
bRet = true;
}
catch(CZipException& e)
{
if (!zip.IsClosed())
zip.Close();
szErrmsg = e.GetErrorDescription().c_str();
}
catch(...)
{
if (!zip.IsClosed())
zip.Close();
szErrmsg = "CSimpleZip: failed to add, catch exception.";
}
return bRet;
}
