bool decompress_lzma_7z(ISequentialInStream& in, unsigned in_size, ISequentialOutStream& out, unsigned out_size) throw ()
{
try
{
NCompress::NLZMA::CDecoder cc;
UINT64 in_size_l = in_size;
UINT64 out_size_l = out_size;
if (cc.ReadCoderProperties(&in) != S_OK) { return(false); }
if (cc.Code(&in, &out, &in_size_l, &out_size_l) != S_OK) { return(false); }
if (out.size_get() != out_size || out.overflow_get()) { return(false); }
return(true);
}
catch (...)
{
return(false);
}
}
int lzma_decompress( int dictionarySize,
int hashSize,
int algorithm,
int numFastBytes,
int matchFinder,
int matchFinderCycles,
int posStateBits,
int litContextBits,
int litPosBits,
CALLBACK_FUNC *callback,
void *auxdata )
{
CallbackInStream inStream (callback, auxdata);
CallbackOutStream outStream (callback, auxdata);
NCompress::NLZMA::CDecoder* decoder = new NCompress::NLZMA::CDecoder;
if (decoder->SetupProperties(dictionarySize, posStateBits, litContextBits, litPosBits) != S_OK)
{
delete decoder;
return 1;
}
UInt64 fileSize = (UInt64)-1;
HRESULT result = decoder->Code(&inStream, &outStream, 0, &fileSize, 0);
delete decoder;
if (inStream.errcode)
return inStream.errcode;
if (outStream.errcode)
return outStream.errcode;
if (result == E_OUTOFMEMORY)
{
return FREEARC_ERRCODE_NOT_ENOUGH_MEMORY;
}
if (result != S_OK)
{
//fprintf(stderr, "\nDecoder error = %X\n", (unsigned int)result);
return FREEARC_ERRCODE_GENERAL;
}
return 0;
}