heatshrink_decoder.c File Reference

#include <stdlib.h>
#include <string.h>
#include "compression/heatshrink_lib/heatshrink_decoder.h"

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Classes
struct	output_info

Macros
#define	LOG(...)
#define	ASSERT(X)
#define	NO_BITS   ((uint16_t)-1)
#define	BACKREF_COUNT_BITS(HSD)
#define	BACKREF_INDEX_BITS(HSD)

Enumerations
enum	HSD_state {   HSDS_TAG_BIT , HSDS_YIELD_LITERAL , HSDS_BACKREF_INDEX_MSB , HSDS_BACKREF_INDEX_LSB ,   HSDS_BACKREF_COUNT_MSB , HSDS_BACKREF_COUNT_LSB , HSDS_YIELD_BACKREF }

Functions
static uint16_t	get_bits (heatshrink_decoder *hsd, uint8_t count)
static void	push_byte (heatshrink_decoder *hsd, output_info *oi, uint8_t byte)
heatshrink_decoder *	heatshrink_decoder_alloc (uint16_t input_buffer_size, uint8_t window_sz2, uint8_t lookahead_sz2)
void	heatshrink_decoder_free (heatshrink_decoder *hsd)
void	heatshrink_decoder_reset (heatshrink_decoder *hsd)
HSD_sink_res	heatshrink_decoder_sink (heatshrink_decoder *hsd, uint8_t *in_buf, size_t size, size_t *input_size)
static HSD_state	st_tag_bit (heatshrink_decoder *hsd)
static HSD_state	st_yield_literal (heatshrink_decoder *hsd, output_info *oi)
static HSD_state	st_backref_index_msb (heatshrink_decoder *hsd)
static HSD_state	st_backref_index_lsb (heatshrink_decoder *hsd)
static HSD_state	st_backref_count_msb (heatshrink_decoder *hsd)
static HSD_state	st_backref_count_lsb (heatshrink_decoder *hsd)
static HSD_state	st_yield_backref (heatshrink_decoder *hsd, output_info *oi)
HSD_poll_res	heatshrink_decoder_poll (heatshrink_decoder *hsd, uint8_t *out_buf, size_t out_buf_size, size_t *output_size)
HSD_finish_res	heatshrink_decoder_finish (heatshrink_decoder *hsd)

Macro Definition Documentation

ASSERT

#define ASSERT

(

X

)

Value:

/* no-op */

BACKREF_COUNT_BITS

#define BACKREF_COUNT_BITS

(

HSD

)

Value:

(HEATSHRINK_DECODER_LOOKAHEAD_BITS(HSD))

BACKREF_INDEX_BITS

#define BACKREF_INDEX_BITS

(

HSD

)

Value:

(HEATSHRINK_DECODER_WINDOW_BITS(HSD))

LOG

#define LOG

(

...

)

Value:

/* no-op */

NO_BITS

#define NO_BITS   ((uint16_t)-1)

Enumeration Type Documentation

HSD_state

enum HSD_state

Enumerator
HSDS_TAG_BIT
HSDS_YIELD_LITERAL
HSDS_BACKREF_INDEX_MSB
HSDS_BACKREF_INDEX_LSB
HSDS_BACKREF_COUNT_MSB
HSDS_BACKREF_COUNT_LSB
HSDS_YIELD_BACKREF

Function Documentation

get_bits()

uint16_t get_bits ( heatshrink_decoder * hsd, uint8_t count )

static

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heatshrink_decoder_alloc()

heatshrink_decoder * heatshrink_decoder_alloc	(	uint16_t	input_buffer_size,
		uint8_t	window_sz2,
		uint8_t	lookahead_sz2 )

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heatshrink_decoder_finish()

HSD_finish_res heatshrink_decoder_finish

(

heatshrink_decoder *

hsd

)

heatshrink_decoder_free()

void heatshrink_decoder_free

(

heatshrink_decoder *

hsd

)

heatshrink_decoder_poll()

HSD_poll_res heatshrink_decoder_poll	(	heatshrink_decoder *	hsd,
		uint8_t *	out_buf,
		size_t	out_buf_size,
		size_t *	output_size )

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heatshrink_decoder_reset()

void heatshrink_decoder_reset

(

heatshrink_decoder *

hsd

)

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heatshrink_decoder_sink()

HSD_sink_res heatshrink_decoder_sink	(	heatshrink_decoder *	hsd,
		uint8_t *	in_buf,
		size_t	size,
		size_t *	input_size )

push_byte()

void push_byte ( heatshrink_decoder * hsd, output_info * oi, uint8_t byte )

static

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st_backref_count_lsb()

HSD_state st_backref_count_lsb ( heatshrink_decoder * hsd )

static

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st_backref_count_msb()

HSD_state st_backref_count_msb ( heatshrink_decoder * hsd )

static

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st_backref_index_lsb()

HSD_state st_backref_index_lsb ( heatshrink_decoder * hsd )

static

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st_backref_index_msb()

HSD_state st_backref_index_msb ( heatshrink_decoder * hsd )

static

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st_tag_bit()

HSD_state st_tag_bit ( heatshrink_decoder * hsd )

static

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st_yield_backref()

HSD_state st_yield_backref ( heatshrink_decoder * hsd, output_info * oi )

static

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st_yield_literal()

HSD_state st_yield_literal ( heatshrink_decoder * hsd, output_info * oi )

static

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