gzi - gzip Input Base Module

Module Description

The gzi module implements the gzip inflate algorithm. The module is used for reading from a gzip file [zif] and, in a future version, stream [zis].

Module Words

gzi constants

gzi.ok ( -- n )

Decompression step is okee

gzi.done ( -- n )

Decompression is done

gzi.more ( -- n )

Decompression step needs more data

gzi.states ( -- n )

Decompression step states

gzi% ( -- n )

Get the required space for a gzi variable

gzi-init ( u gzi -- )

Initialise the gzip inflation variable with an initial output buffer size u

gzi-(free) ( gzi -- )

Free the internal, private variables from the heap

gzi-create ( "<spaces>name" u -- ; -- gzi )

Create a named gzip inflation variable in the dictionary with an initial output buffer size u

gzi-new ( -- gzi )

Create a new gzip inflation variable on the heap

gzi-free ( gzi -- )

Free the variable from the heap

gzi-lbf@ ( gzi -- lbf )

Get the output buffer

gzi-init-inflate ( gzi -- )

Start the inflation of data

gzi-inflate ( gzi -- ior )

Do the next step in inflating data, return the result code

gzi-reduce-output ( gzi -- )

Check if the output buffer can be reduced

gzi-end-inflate ( gzi -- )

Finish the inflation of data

gzi-dump ( gzi -- )

Dump the gzi