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/*!
* \file db/dbmi_driver/d_rows.c
*
* \brief DBMI Library (driver) - get number of records
*
* (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 <grass/dbmi.h>
#include "macros.h"
#include "dbstubs.h"
/*!
\brief Get number of selected rows
\return DB_OK on success
\return DB_FAILED on failure
*/
int db_d_get_num_rows(void)
{
dbToken token;
dbCursor *cursor;
int nrows;
/* get the arg(s) */
DB_RECV_TOKEN(&token);
cursor = (dbCursor *)db_find_token(token);
/* call the procedure */
nrows = db_driver_get_num_rows(cursor);
/* send the return code */
if (nrows < 0) {
DB_SEND_FAILURE();
return DB_OK;
}
DB_SEND_SUCCESS();
/* results */
DB_SEND_INT(nrows);
return DB_OK;
}
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