1/* Copyright (c) 2000, 2001, 2005, 2006 MySQL AB, 2009 Sun Microsystems, Inc.
2 Use is subject to license terms.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
16
17/* Check if somebody has changed table since last check. */
18
19#include "myisamdef.h"
20
21 /* Return 0 if table isn't changed */
22
23int mi_is_changed(MI_INFO *info)
24{
25 int result;
26 DBUG_ENTER("mi_is_changed");
27 if (fast_mi_readinfo(info))
28 DBUG_RETURN(-1);
29 (void) _mi_writeinfo(info,0);
30 result=(int) info->data_changed;
31 info->data_changed=0;
32 DBUG_PRINT("exit",("result: %d",result));
33 DBUG_RETURN(result);
34}
35