/*****************************************************************************
 *
 * MODULE:       DBF driver
 *
 * AUTHOR(S):    Radim Blazek
 *
 * PURPOSE:      Simple driver for reading and writing dbf files
 *
 * COPYRIGHT:    (C) 2000 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.
 *
 *****************************************************************************/
#include <stdlib.h>
#include <grass/dbmi.h>
#include <grass/gis.h>
#include <grass/glocale.h>
#include "globals.h"
#include "proto.h"

int db__driver_close_cursor(dbCursor *dbc)
{
    cursor *c;

    /* get my cursor via the dbc token */
    c = (cursor *)db_find_token(db_get_cursor_token(dbc));
    if (c == NULL)
        return DB_FAILED;

    /* free_cursor(cursor) */
    free_cursor(c);

    return DB_OK;
}

cursor *alloc_cursor(void)
{
    cursor *c;

    /* allocate the cursor */
    c = (cursor *)db_malloc(sizeof(cursor));
    if (c == NULL) {
        db_d_append_error(_("Unable to allocate new cursor"));
        db_d_report_error();
        return c;
    }

    c->st = NULL;
    c->cols = NULL;
    /* tokenize it */
    c->token = db_new_token(c);
    if (c->token < 0) {
        free_cursor(c);
        c = NULL;
        db_d_append_error(_("Unable to tokenize new cursor"));
        db_d_report_error();
    }

    return c;
}

void free_cursor(cursor *c)
{
    db_drop_token(c->token);
    sqpFreeStmt(c->st);
    if (c->cols)
        G_free(c->cols);
    G_free(c);
}
