key_value1.c File Reference

Key_Value management. More...

#include <string.h>
#include <stdlib.h>
#include <grass/gis.h>

Include dependency graph for key_value1.c:

Go to the source code of this file.

Functions
struct Key_Value *	G_create_key_value (void)
	Allocate and initialize Key_Value structure. More...
int	G_set_key_value (const char *key, const char *value, struct Key_Value *kv)
	Set value for given key. More...
char *	G_find_key_value (const char *key, const struct Key_Value *kv)
	Find given key. More...
int	G_free_key_value (struct Key_Value *kv)
	Free allocated Key_Value structure. More...

Detailed Description

Key_Value management.

(C) 2001-2008 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

CERL

Definition in file key_value1.c.

Function Documentation

struct Key_Value* G_create_key_value

(

void

)

Allocate and initialize Key_Value structure.

Returns

poiter to allocated Key_Value structure

Definition at line 25 of file key_value1.c.

References NULL.

Referenced by G3d_writeHeader(), G__write_fp_format(), G_fread_key_value(), GPJ_get_ellipsoid_params(), and GPJ_osr_to_grass().

char* G_find_key_value	(	const char *	key,
		const struct Key_Value *	kv
	)

Find given key.

Parameters

[in]	key	key to be found
[in]	kv	Key_value structure

Returns

poiter to value of key

NULL if no key found

Definition at line 128 of file key_value1.c.

References n, and NULL.

Referenced by G3d_keyGetDouble(), G3d_keyGetInt(), G3d_keyGetString(), G3d_keyGetValue(), G__check_fp_type(), G_ask_proj_name(), G_compare_projections(), G_get_datumparams_from_projinfo(), G_get_gdal_link(), G_lookup_key_value_from_file(), GPJ__get_datum_params(), GPJ__get_ellipsoid_params(), GPJ_grass_to_osr(), and pj_get_kv().

int G_free_key_value

(

struct Key_Value *

kv

)

Free allocated Key_Value structure.

Parameters

[in]

kv

Key_Value structure

Returns

0

Definition at line 145 of file key_value1.c.

References G_free(), and n.

Referenced by G3d_readHeader(), G3d_readWindow(), G3d_writeHeader(), G__check_fp_type(), G__write_fp_format(), G_database_datum_name(), G_fread_key_value(), G_get_ellipsoid_parameters(), G_lookup_key_value_from_file(), G_update_key_value_file(), GPJ_get_datum_params(), GPJ_get_ellipsoid_params(), and GPJ_osr_to_grass().

int G_set_key_value	(	const char *	key,
		const char *	value,
		struct Key_Value *	kv
	)

Set value for given key.

If key has spaces in it, this will break the logic so rule is: NO SPACES IN key.

Parameters

[in]	key	key to be set up
[in]	value	value for given key
[in,out]	kv	Key_value structure to be modified

Returns

0 no memory

1 ok, but key was NULL or "" so ignored

2 ok

Definition at line 55 of file key_value1.c.

References G_free(), n, NULL, and tools::size.

Referenced by G3d_keySetDouble(), G3d_keySetInt(), G3d_keySetString(), G3d_keySetValue(), G__write_fp_format(), G_fread_key_value(), G_update_key_value_file(), and GPJ_osr_to_grass().