Data Structures
struct	shrinkler_asm_state_t
	Decompressor state (for assembly) More...

struct	shrinkler_ctx_t
	Decompressor state (for C) More...

Macros
#define	ADJUST_SHIFT 4
	Shift amount for context probability adjustment.

#define	NUM_SINGLE_CONTEXTS 1
	Number of single contexts.

#define	NUM_CONTEXT_GROUPS 4
	Number of context groups

#define	CONTEXT_GROUP_SIZE 256
	Size of each context group.

#define	NUM_CONTEXTS (NUM_SINGLE_CONTEXTS + NUM_CONTEXT_GROUPS * CONTEXT_GROUP_SIZE)
	Total number of contexts.

#define	CONTEXT_KIND 0
	Context kind index.

#define	CONTEXT_REPEATED -1
	Context repeated index.

#define	CONTEXT_GROUP_LIT 0
	Context group for literals.

#define	CONTEXT_GROUP_OFFSET 2
	Context group for offsets.

#define	CONTEXT_GROUP_LENGTH 3
	Context group for lengths.

Functions
void *	decompress_shrinkler_full (const char *fn, int fd, size_t cmp_size, size_t size)
	Decompress a full Shrinkler-compressed file into a buffer.

Detailed Description

Author: Giovanni Bajo giova.nosp@m.nnib.nosp@m.ajo@g.nosp@m.mail.nosp@m..com

Data Structure Documentation

struct shrinkler_asm_state_t

Decompressor state (for assembly)

Data Fields
uint16_t	contexts[NUM_CONTEXTS]	Probability contexts.

struct shrinkler_ctx_t

Decompressor state (for C)

Data Fields
uint16_t	contexts[NUM_CONTEXTS]	Probability contexts.
unsigned	intervalsize	Current interval size.
uint64_t	intervalvalue	Current interval value.
uint8_t *	src	Pointer to the input data.
int	bits_left	Number of bits left in the interval.

void * decompress_shrinkler_full	(	const char *	fn,
		int	fd,
		size_t	cmp_size,
		size_t	size
	)

Decompress a full Shrinkler-compressed file into a buffer.

Parameters

fn	Filename of the file to decompress
fd	File descriptor to read compressed data from.
cmp_size	Size of the compressed data.
size	Size of the decompressed data.