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c_finddb.c
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c_finddb.c
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/*!
* \file db/dbmi_client/c_finddb.c
*
* \brief DBMI Library (client) - find database
*
* (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
*/
#include <stdlib.h>
#include <grass/dbmi.h>
#include "macros.h"
/*!
\brief Find database
\param driver db driver
\param handle handle info
\param[out] found if non-zero database found
\return DB_OK on success
\return DB_FAILED on failure
*/
int db_find_database(dbDriver * driver, dbHandle * handle, int *found)
{
int ret_code;
int stat;
dbHandle temp;
/* start the procedure call */
db__set_protocol_fds(driver->send, driver->recv);
DB_START_PROCEDURE_CALL(DB_PROC_FIND_DATABASE);
/* send the arguments to the procedure */
DB_SEND_HANDLE(handle);
/* get the return code for the procedure call */
DB_RECV_RETURN_CODE(&ret_code);
if (ret_code != DB_OK)
return ret_code; /* ret_code SHOULD == DB_FAILED */
/* get results */
DB_RECV_INT(found);
stat = DB_OK;
if (*found) {
DB_RECV_HANDLE(&temp);
stat = db_set_handle(handle,
db_get_handle_dbname(&temp),
db_get_handle_dbschema(&temp)
);
db_free_handle(&temp);
}
return stat;
}