vales

May be mistake, may be not...it is not clear, please explain..

2

In rabin/rabin_dedup.c between line 187 and 208 https://github.com/moinakg/pcompress/blob/master/rabin/rabin_dedup.c#L187 variables 'pow' and 'poly_pow' holds exactly the same value = (power of RAB_POLYNOMIAL_CONST) mod (POLY_MASK+1). This value is 5 bytes in size...

Decompress from file to stdout

1

It seems to be pcompress lacks feature like write to stdout when reading from compressed file. In my use case I compress raw LVM volume with virtual machine's disk inside...

After done reading of input file main thread will never be finished if error occured in one of decompression thread.