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/*
** Zabbix
** Copyright (C) 2001-2019 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 "common.h"
/******************************************************************************
* *
* Function: zbx_variant_to_value_type *
* *
* Purpose: converts variant value to type compatible with requested value *
* type *
* *
* Parameters: value - [IN/OUT] the value to convert *
* value_type - [IN] the target value type *
* errmsg - [OUT] the error message *
* *
* 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)
{
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)))
{
*errmsg = zbx_dsprintf(NULL, "Value " ZBX_FS_DBL " is too small or too large.",
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:
ret = zbx_variant_convert(value, ZBX_VARIANT_STR);
break;
default:
*errmsg = zbx_dsprintf(NULL, "Unknown value type \"%d\"", value_type);
THIS_SHOULD_NEVER_HAPPEN;
ret = FAIL;
}
if (FAIL == ret && NULL == *errmsg)
{
*errmsg = zbx_dsprintf(NULL, "Value \"%s\" of type \"%s\" is not suitable for value type \"%s\"",
zbx_variant_value_desc(value), zbx_variant_type_desc(value),
zbx_item_value_type_string(value_type));
}
return ret;
}
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