rscode.c File Reference

#include "config.h"
#include <stdlib.h>
#include <string.h>
#include "rscode.h"

Go to the source code of this file.

Classes
struct	_RS
	Reed-Solomon codec control block. More...

Macros
#define	MODNN(x)   modnn(rs,x)
#define	MM   (rs->mm)
#define	NN   (rs->nn)
#define	ALPHA_TO   (rs->alpha_to)
#define	INDEX_OF   (rs->index_of)
#define	GENPOLY   (rs->genpoly)
#define	NROOTS   (rs->nroots)
#define	FCR   (rs->fcr)
#define	PRIM   (rs->prim)
#define	IPRIM   (rs->iprim)
#define	PAD   (rs->pad)
#define	A0   (NN)
#define	A0   (NN) /* Special reserved value encoding zero in index form */

Typedefs
typedef unsigned char	data_t

Functions
static int	modnn (RS *rs, int x)
static RS *	init_rs_char (int symsize, int gfpoly, int fcr, int prim, int nroots, int pad)
RS *	init_rs (int symsize, int gfpoly, int fcr, int prim, int nroots, int pad)
void	free_rs_char (RS *rs)
void	encode_rs_char (RS *rs, const data_t *data, data_t *parity)

Macro Definition Documentation

#define A0   (NN)

Definition at line 244 of file rscode.c.

Referenced by encode_rs_char(), and init_rs_char().

#define A0   (NN) /* Special reserved value encoding zero in index form */

Definition at line 244 of file rscode.c.

#define ALPHA_TO   (rs->alpha_to)

Definition at line 69 of file rscode.c.

Referenced by encode_rs_char().

#define FCR   (rs->fcr)

Definition at line 73 of file rscode.c.

#define GENPOLY   (rs->genpoly)

Definition at line 71 of file rscode.c.

Referenced by encode_rs_char().

#define INDEX_OF   (rs->index_of)

Definition at line 70 of file rscode.c.

Referenced by encode_rs_char().

#define IPRIM   (rs->iprim)

Definition at line 75 of file rscode.c.

#define MM   (rs->mm)

Definition at line 67 of file rscode.c.

#define MODNN

(

x

)

modnn(rs,x)

Definition at line 65 of file rscode.c.

Referenced by encode_rs_char().

#define NN   (rs->nn)

Definition at line 68 of file rscode.c.

Referenced by encode_rs_char().

#define NROOTS   (rs->nroots)

Definition at line 72 of file rscode.c.

Referenced by encode_rs_char().

#define PAD   (rs->pad)

Definition at line 76 of file rscode.c.

Referenced by encode_rs_char().

#define PRIM   (rs->prim)

Definition at line 74 of file rscode.c.

Typedef Documentation

typedef unsigned char data_t

Definition at line 36 of file rscode.c.

Function Documentation

void encode_rs_char	(	RS *	rs,
		const data_t *	data,
		data_t *	parity
	)

Definition at line 246 of file rscode.c.

References A0, ALPHA_TO, GENPOLY, INDEX_OF, MODNN, NN, NROOTS, and PAD.

void free_rs_char

(

RS *

rs

)

Definition at line 207 of file rscode.c.

References _RS::alpha_to, free(), _RS::genpoly, and _RS::index_of.

RS* init_rs	(	int	symsize,
		int	gfpoly,
		int	fcr,
		int	prim,
		int	nroots,
		int	pad
	)

Definition at line 201 of file rscode.c.

References init_rs_char().

static RS* init_rs_char ( int  symsize, int  gfpoly, int  fcr, int  prim, int  nroots, int  pad  )

static

Definition at line 88 of file rscode.c.

References A0, _RS::alpha_to, calloc(), _RS::fcr, free(), _RS::genpoly, _RS::gfpoly, _RS::index_of, _RS::iprim, malloc(), _RS::mm, modnn(), _RS::nn, _RS::nroots, _RS::pad, and _RS::prim.

Referenced by init_rs().

static int modnn ( RS *  rs, int  x  )

inlinestatic

Definition at line 56 of file rscode.c.

References _RS::mm, and _RS::nn.

Referenced by init_rs_char().