start.c File Reference

DBMI Library (client) - open database connection. More...

#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <grass/spawn.h>
#include <grass/dbmi.h>

Include dependency graph for start.c:

Go to the source code of this file.

Macros
#define	READ   0
#define	WRITE   1

Functions
dbDriver *	db_start_driver (const char *name)
	Initialize a new dbDriver for db transaction.

Detailed Description

DBMI Library (client) - open database connection.

(C) 1999-2008 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

Joel Jones (CERL/UIUC), Radim Blazek

Definition in file start.c.

Macro Definition Documentation

READ

#define READ   0

Definition at line 28 of file start.c.

WRITE

#define WRITE   1

Definition at line 29 of file start.c.

Function Documentation

db_start_driver()

dbDriver * db_start_driver

(

const char *

name

)

Initialize a new dbDriver for db transaction.

If name is NULL, the db name will be assigned connection.driverName.

Parameters

name	driver name

Returns

pointer to dbDriver structure

NULL on error

Definition at line 51 of file start.c.

References close, db__recv_return_code(), db__set_protocol_fds(), db_copy_dbmscap_entry(), db_error(), db_free_dbmscap(), db_get_connection(), db_malloc(), DB_OK, db_read_dbmscap(), db_syserror(), _dbmscap::driverName, fdopen, G_debug(), G_get_gisrc_mode(), G_getenv_nofatal(), G_GISRC_MODE_FILE, G_GISRC_MODE_MEMORY, G_putenv(), G_spawn_ex(), name, _dbmscap::next, NULL, READ, SF_BACKGROUND, SF_CLOSE_DESCRIPTOR, SF_REDIRECT_DESCRIPTOR, and WRITE.

Referenced by 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().