handle.c File Reference

DBMI Library (base) - handle management. More...

#include <stdlib.h>
#include <grass/dbmi.h>

Include dependency graph for handle.c:

Go to the source code of this file.

Functions
void	db_init_handle (dbHandle *handle)
	Initialize handle (i.e database/schema)
int	db_set_handle (dbHandle *handle, const char *dbName, const char *dbSchema)
	Set handle (database and schema name)
const char *	db_get_handle_dbname (dbHandle *handle)
	Get handle database name.
const char *	db_get_handle_dbschema (dbHandle *handle)
	Get handle schema name.
void	db_free_handle (dbHandle *handle)
	Free dbHandle structure.
void	db_free_handle_array (dbHandle *handle, int count)
	Free array of handles.
dbHandle *	db_alloc_handle_array (int count)
	Allocate array of handles.

Detailed Description

DBMI Library (base) - handle management.

(C) 1999-2009 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

Joel Jones (CERL/UIUC), Radim Blazek

Definition in file handle.c.

Function Documentation

db_alloc_handle_array()

dbHandle * db_alloc_handle_array

(

int

count

)

Allocate array of handles.

Parameters

count

number of handles in the array

Returns

pointer to first dbHandle in the array

Definition at line 109 of file handle.c.

References count, db_calloc(), and db_init_handle().

Referenced by db_list_databases().

db_free_handle()

void db_free_handle

(

dbHandle *

handle

)

Free dbHandle structure.

Parameters

handle

pointer to dbHandle

Definition at line 79 of file handle.c.

References db_free_string(), _db_handle::dbName, and _db_handle::dbSchema.

Referenced by db_d_create_database(), db_d_delete_database(), db_d_find_database(), db_d_open_database(), db_find_database(), and db_free_handle_array().

db_free_handle_array()

void db_free_handle_array	(	dbHandle *	handle,
		int	count
	)

Free array of handles.

Parameters

handle	pointer to first dbHandle in the array
count	number of handles in the array

Definition at line 91 of file handle.c.

References count, db_free(), and db_free_handle().

Referenced by db_d_list_databases().

db_get_handle_dbname()

const char * db_get_handle_dbname

(

dbHandle *

handle

)

Get handle database name.

Parameters

handle

pointer to dbHandle

Returns

pointer to string with database name

Definition at line 57 of file handle.c.

References db_get_string(), and _db_handle::dbName.

Referenced by db_d_open_database(), and db_find_database().

db_get_handle_dbschema()

const char * db_get_handle_dbschema

(

dbHandle *

handle

)

Get handle schema name.

Parameters

handle

pointer to dbHandle

Returns

pointer to string with schema name

Definition at line 69 of file handle.c.

References db_get_string(), and _db_handle::dbSchema.

Referenced by db_d_open_database(), and db_find_database().

db_init_handle()

void db_init_handle

(

dbHandle *

handle

)

Initialize handle (i.e database/schema)

Parameters

handle

pointer to dbHandle to be initialized

Definition at line 23 of file handle.c.

References db_init_string(), _db_handle::dbName, and _db_handle::dbSchema.

Referenced by db_alloc_handle_array(), db_d_create_database(), db_d_delete_database(), db_d_find_database(), db_d_open_database(), db_start_driver_open_database(), IL_vector_input_data_2d(), Vect_get_column_names(), Vect_get_column_names_types(), Vect_get_column_types(), Vect_net_build_graph(), Vect_net_ttb_build_graph(), and Vect_write_ascii().

db_set_handle()

int db_set_handle	(	dbHandle *	handle,
		const char *	dbName,
		const char *	dbSchema
	)

Set handle (database and schema name)

Parameters

handle	pointer to dbHandle
dbName	database name
dbSchema	schema name

Returns

DB_OK on success

DB_FAILED on failure

Definition at line 39 of file handle.c.

References DB_OK, db_set_string(), _db_handle::dbName, and _db_handle::dbSchema.

Referenced by db_find_database(), db_start_driver_open_database(), IL_vector_input_data_2d(), Vect_get_column_names(), Vect_get_column_names_types(), Vect_get_column_types(), and Vect_write_ascii().