Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxvariant.h"

​

#include "zbxstr.h"

#include "zbxnum.h"

#include "zbxstr.h"

​

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

 *                                                                            *

 * Purpose: converts variant value to type compatible with requested value    *

 *          type                                                              *

 *                                                                            *

 * Parameters: value         - [IN/OUT] value to convert                      *

 *             value_type    - [IN] target value type                         *

 *             errmsg        - [OUT]                                          *

 *                                                                            *

 * Return value: SUCCEED - value conversion was successful                    *

 *               FAIL    - otherwise                                          *

 *                                                                            *

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

int zbx_variant_to_value_type(zbx_variant_t *value, unsigned char value_type, char **errmsg)

{

#define ERROR_VALUE_MAX_CHAR    240

    int     ret;

​

    zbx_free(*errmsg);

​

    switch (value_type)

    {

        case ITEM_VALUE_TYPE_FLOAT:

            if (SUCCEED == (ret = zbx_variant_convert(value, ZBX_VARIANT_DBL)))

            {

                if (FAIL == (ret = zbx_validate_value_dbl(value->data.dbl)))

                {

                    char    buffer[ZBX_MAX_DOUBLE_LEN + 1];

​

                    *errmsg = zbx_dsprintf(NULL, "Value %s is too small or too large.",

                            zbx_print_double(buffer, sizeof(buffer), value->data.dbl));

                }

            }

            break;

        case ITEM_VALUE_TYPE_UINT64:

            ret = zbx_variant_convert(value, ZBX_VARIANT_UI64);

            break;

        case ITEM_VALUE_TYPE_STR:

        case ITEM_VALUE_TYPE_TEXT:

        case ITEM_VALUE_TYPE_LOG:

        case ITEM_VALUE_TYPE_BIN:

            ret = zbx_variant_convert(value, ZBX_VARIANT_STR);

            break;