d_close_cur.c

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/*!
 * \file db/dbmi_driver/d_close_cur.c
 *
 * \brief DBMI Library (driver) - close cursor
 *
 * (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"
#include "dbstubs.h"
 
/*!
   \brief Close cursor
 
   \return DB_OK on success
   \return DB_FAILED on failure
 */
int db_d_close_cursor(void)
{
    dbCursor *cursor;
    dbToken token;
    int stat;
 
    /* get the arg(s) */
    DB_RECV_TOKEN(&token);
    cursor = (dbCursor *)db_find_token(token);
    if (cursor == NULL) {
        db_error("** invalid cursor **");
        return DB_FAILED;
    }
 
    /* call the procedure */
    stat = db_driver_close_cursor(cursor);
 
    /* get rid of the cursor */
    db_drop_token(token);
    db_free_cursor(cursor);
    db__drop_cursor_from_driver_state(cursor);
    db_free(cursor); /* ?? */
 
    /* send the return code */
    if (stat != DB_OK) {
        DB_SEND_FAILURE();
        return DB_OK;
    }
    DB_SEND_SUCCESS();
 
    /* no results */
    return DB_OK;
}