Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "zbxcommon.h"

​

#include "zbxdbhigh.h"

​

/******************************************************************************

 *                                                                            *

 * Purpose: save item state, error, mtime, lastlogsize changes to             *

 *          database                                                          *

 *                                                                            *

 ******************************************************************************/

void    zbx_db_save_item_changes(char **sql, size_t *sql_alloc, size_t *sql_offset, const zbx_vector_ptr_t *item_diff,

        zbx_uint64_t mask)

{

    int         i;

    const zbx_item_diff_t   *diff;

    char            *value_esc;

    zbx_uint64_t        flags;

​

    for (i = 0; i < item_diff->values_num; i++)

    {

        char    delim = ' ';

​

        diff = (const zbx_item_diff_t *)item_diff->values[i];

        flags = diff->flags & mask;

​

        if (0 == (ZBX_FLAGS_ITEM_DIFF_UPDATE_DB & flags))

            continue;

​

        zbx_strcpy_alloc(sql, sql_alloc, sql_offset, "update item_rtdata set");

​

        if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_LASTLOGSIZE & flags))

        {

            zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%clastlogsize=" ZBX_FS_UI64, delim,

                    diff->lastlogsize);

            delim = ',';

        }

​

        if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_MTIME & flags))

        {

            zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%cmtime=%d", delim, diff->mtime);

            delim = ',';

        }

​

        if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_STATE & flags))