Hi Lee, > +If you request a checksum for compression, the checksum field in the > operation > +structure, ``op->input_chksum``, will be filled with the checksum of the > input data. > + [Fiona] This is not correct - the checksum will always be in the op->output_chksum The input_chksum field is for generating a checksum across the uncompressed data of multiple related ops
> +If you request a checksum for decompression, the checksum field in the > operation > +structure, ``op->output_chksum``, will be filled with the checksum of the > output data. > + > +.. Note:: > + > + For the compression case above, your output buffer will need to be large > enough to hold the compressed > data plus a scratchpad for the checksum at the end, the scratchpad is 8 bytes > for CRC32 and 4 bytes for > Adler32. [Fiona] In the compression case is there no need for this scratchpad?
