compress.c File Reference

#include <grass/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <grass/gis.h>
#include <grass/glocale.h>
#include "compress.h"

Include dependency graph for compress.c:

Go to the source code of this file.

Macros
#define	G_COMPRESSED_NO   (unsigned char)'0'
#define	G_COMPRESSED_YES   (unsigned char)'1'

Functions
int	G_compressor_number (char *name)
char *	G_compressor_name (int number)
int	G_default_compressor (void)
int	G_check_compressor (int number)
int	G_no_compress_bound (int src_sz)
int	G_no_compress (unsigned char *src, int src_sz, unsigned char *dst, int dst_sz)
int	G_no_expand (unsigned char *src, int src_sz, unsigned char *dst, int dst_sz)
int	G_compress_bound (int src_sz, int number)
int	G_compress (unsigned char *src, int src_sz, unsigned char *dst, int dst_sz, int number)
int	G_expand (unsigned char *src, int src_sz, unsigned char *dst, int dst_sz, int number)
int	G_read_compressed (int fd, int rbytes, unsigned char *dst, int nbytes, int number)
int	G_write_compressed (int fd, unsigned char *src, int nbytes, int number)
int	G_write_uncompressed (int fd, const unsigned char *src, int nbytes)

Macro Definition Documentation

G_COMPRESSED_NO

#define G_COMPRESSED_NO   (unsigned char)'0'

Definition at line 94 of file compress.c.

G_COMPRESSED_YES

#define G_COMPRESSED_YES   (unsigned char)'1'

Definition at line 95 of file compress.c.

Function Documentation

G_check_compressor()

int G_check_compressor

(

int

number

)

Definition at line 140 of file compress.c.

Referenced by Rast__open_old().

G_compress()

int G_compress	(	unsigned char *	src,
		int	src_sz,
		unsigned char *	dst,
		int	dst_sz,
		int	number
	)

Definition at line 218 of file compress.c.

Referenced by G_write_compressed().

G_compress_bound()

int G_compress_bound	(	int	src_sz,
		int	number
	)

Definition at line 202 of file compress.c.

Referenced by G_write_compressed().

G_compressor_name()

char* G_compressor_name

(

int

number

)

Definition at line 118 of file compress.c.

Referenced by Rast__open_old().

G_compressor_number()

int G_compressor_number

(

char *

name

)

Definition at line 100 of file compress.c.

References compressor, G_strcasecmp(), compressor_list::name, and name.

G_default_compressor()

int G_default_compressor

(

void

)

Definition at line 126 of file compress.c.

G_expand()

int G_expand	(	unsigned char *	src,
		int	src_sz,
		unsigned char *	dst,
		int	dst_sz,
		int	number
	)

Definition at line 233 of file compress.c.

Referenced by G_read_compressed().

G_no_compress()

int G_no_compress	(	unsigned char *	src,
		int	src_sz,
		unsigned char *	dst,
		int	dst_sz
	)

Definition at line 155 of file compress.c.

References dst, NULL, and src.

G_no_compress_bound()

int G_no_compress_bound

(

int

src_sz

)

Definition at line 150 of file compress.c.

G_no_expand()

int G_no_expand	(	unsigned char *	src,
		int	src_sz,
		unsigned char *	dst,
		int	dst_sz
	)

Definition at line 176 of file compress.c.

References dst, NULL, and src.

G_read_compressed()

int G_read_compressed	(	int	fd,
		int	rbytes,
		unsigned char *	dst,
		int	nbytes,
		int	number
	)

Definition at line 244 of file compress.c.

References _, b, dst, err(), G_calloc, G_COMPRESSED_NO, G_COMPRESSED_YES, G_expand(), G_free(), G_warning(), and NULL.

G_write_compressed()

int G_write_compressed	(	int	fd,
		unsigned char *	src,
		int	nbytes,
		int	number
	)

Definition at line 323 of file compress.c.

References _, dst, err(), G_calloc, G_compress(), G_compress_bound(), G_COMPRESSED_NO, G_COMPRESSED_YES, G_free(), G_warning(), NULL, and src.

G_write_uncompressed()

int G_write_uncompressed	(	int	fd,
		const unsigned char *	src,
		int	nbytes
	)

Definition at line 412 of file compress.c.

References _, err(), G_COMPRESSED_NO, G_warning(), NULL, and src.