bool
LX::ReceivePacket(Port &port, Command command,
void *data, size_t length, OperationEnvironment &env,
unsigned timeout_ms)
{
port.Flush();
return SendCommand(port, command) &&
ReadCRC(port, data, length, env, timeout_ms);
}
HRESULT CDecoder::DecodeFile(bool &isBZ, ICompressProgressInfo *progress)
{
isBZ = false;
Byte s[6];
int i;
for (i = 0; i < 4; i++)
s[i] = ReadByte();
if (s[0] != kArSig0 ||
s[1] != kArSig1 ||
s[2] != kArSig2 ||
s[3] <= kArSig3 ||
s[3] > kArSig3 + kBlockSizeMultMax)
return S_OK;
isBZ = true;
UInt32 dicSize = (UInt32)(s[3] - kArSig3) * kBlockSizeStep;
if (!m_State.Alloc())
return E_OUTOFMEMORY;
CBZip2CombinedCRC computedCombinedCRC;
while (true)
{
if (progress)
{
UInt64 packSize = m_InStream.GetProcessedSize();
UInt64 unpackSize = m_OutStream.GetProcessedSize();
RINOK(progress->SetRatioInfo(&packSize, &unpackSize));
}
for (i = 0; i < 6; i++)
s[i] = ReadByte();
UInt32 crc = ReadCRC();
if (s[0] == kFinSig0)
{
if (s[1] != kFinSig1 ||
s[2] != kFinSig2 ||
s[3] != kFinSig3 ||
s[4] != kFinSig4 ||
s[5] != kFinSig5)
return S_FALSE;
return (crc == computedCombinedCRC.GetDigest()) ? S_OK : S_FALSE;
}
if (s[0] != kBlockSig0 ||
s[1] != kBlockSig1 ||
s[2] != kBlockSig2 ||
s[3] != kBlockSig3 ||
s[4] != kBlockSig4 ||
s[5] != kBlockSig5)
return S_FALSE;
m_State.StoredCRC = crc;
computedCombinedCRC.Update(crc);
RINOK(ReadBlock(dicSize, m_State));
RINOK(m_State.DecodeBlock(m_OutStream));
}
}
bool
LX::ReceivePacket(Port &port, Command command,
void *data, size_t length, OperationEnvironment &env,
std::chrono::steady_clock::duration first_timeout,
std::chrono::steady_clock::duration subsequent_timeout,
std::chrono::steady_clock::duration total_timeout)
{
port.Flush();
return SendCommand(port, command) &&
ReadCRC(port, data, length, env,
first_timeout, subsequent_timeout, total_timeout);
}
