GRASS GIS 7 Programmer's Manual  7.5.svn(2018)-r73122
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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

#define G_COMPRESSED_NO   (unsigned char)'0'

Definition at line 94 of file compress.c.

Referenced by G_read_compressed(), G_write_compressed(), and G_write_uncompressed().

#define G_COMPRESSED_YES   (unsigned char)'1'

Definition at line 95 of file compress.c.

Referenced by G_read_compressed(), and G_write_compressed().

Function Documentation

int G_check_compressor ( int  number)

Definition at line 140 of file compress.c.

References _, compressor_list::available, compressor, and G_warning().

Referenced by Rast__open_old().

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

Definition at line 221 of file compress.c.

References _, compressor_list::compress, compressor, and G_fatal_error().

Referenced by G_write_compressed().

int G_compress_bound ( int  src_sz,
int  number 
)

Definition at line 205 of file compress.c.

References _, compressor_list::bound, compressor, and G_fatal_error().

Referenced by G_write_compressed().

char* G_compressor_name ( int  number)

Definition at line 118 of file compress.c.

References compressor, compressor_list::name, and NULL.

Referenced by Rast__open_old().

int G_compressor_number ( char *  name)

Definition at line 100 of file compress.c.

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

int G_default_compressor ( void  )

Definition at line 126 of file compress.c.

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

Definition at line 236 of file compress.c.

References _, compressor, compressor_list::expand, and G_fatal_error().

Referenced by G_read_compressed().

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

Definition at line 156 of file compress.c.

References NULL.

int G_no_compress_bound ( int  src_sz)

Definition at line 150 of file compress.c.

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

Definition at line 178 of file compress.c.

References NULL.

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

Definition at line 247 of file compress.c.

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

Referenced by Rast3d_fpcompress_read_xdr_nums().

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 
)

Definition at line 412 of file compress.c.

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