bool CCachedInStream::Alloc(unsigned blockSizeLog, unsigned numBlocksLog)
{
unsigned sizeLog = blockSizeLog + numBlocksLog;
if (sizeLog >= sizeof(size_t) * 8)
return false;
size_t dataSize = (size_t)1 << sizeLog;
if (_data == 0 || dataSize != _dataSize)
{
MidFree(_data);
_data = (Byte *)MidAlloc(dataSize);
if (_data == 0)
return false;
_dataSize = dataSize;
}
if (_tags == 0 || numBlocksLog != _numBlocksLog)
{
MyFree(_tags);
_tags = (UInt64 *)MyAlloc(sizeof(UInt64) << numBlocksLog);
if (_tags == 0)
return false;
_numBlocksLog = numBlocksLog;
}
_blockSizeLog = blockSizeLog;
return true;
}
void CCachedInStream::Free()
{
MyFree(_tags);
_tags = 0;
MidFree(_data);
_data = 0;
}
CInFileStream::~CInFileStream()
{
#ifdef SUPPORT_DEVICE_FILE
MidFree(Buf);
#endif
if (Callback)
Callback->InFileStream_On_Destroy(CallbackRef);
}
CInFileStream::~CInFileStream()
{
#ifdef SUPPORT_DEVICE_FILE
MidFree(Buffer);
#endif
}