crc - 32-bit Cyclic Redundancy Check
Module Description
The crc module implements a 32-bit cyclic redundancy check calculation.
Module Words
CRC-32 Structure
crc%
( -- n )
Get the required space for a crc-32 variable
CRC-32 variable creation, initialisation and destruction
crc-init
( crc -- )
Initialise the crc
crc-create
( "<spaces>name" -- ; -- crc )
Create a named crc variable in the dictionary
crc-(free)
( crc -- )
Free the internal table from the heap
crc-new
( -- crc )
Create a new crc variable on the heap
crc-free
( crc -- )
Free the crc from the heap
Member words
crc-poly!
( u crc -- )
Use the polynomial u for the crc
crc-poly@
( crc -- u )
Get the polynomial u in the crc
CRC-32 words
crc-reset
( crc -- )
Reset the crc calculation
crc-update
( c-addr u crc -- )
Update the crc structure with more byte data
crc-finish
( crc -- u )
Finish the calculation, return the CRC32 result
Module words
crc+calc-poly
( u1 .. un n -- u )
Calculate the polynomial u
crc+calc-crc32
( c-addr u -- u1 )
Calculate the CRC32 for byte data with default crc32 table
generated 10-Apr-2008 by
ofcfrth-0.5.0