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.

**/

​

#ifndef ZABBIX_ZBXVARIANT_H

#define ZABBIX_ZBXVARIANT_H

​

#include "zbxalgo.h"

​

#define ZBX_INFINITY    (1.0 / 0.0) /* "Positive infinity" value used as a fatal error code */

#define ZBX_UNKNOWN (-1.0 / 0.0)    /* "Negative infinity" value used as a code for "Unknown" */

​

#define ZBX_UNKNOWN_STR     "ZBX_UNKNOWN"   /* textual representation of ZBX_UNKNOWN */

#define ZBX_UNKNOWN_STR_LEN ZBX_CONST_STRLEN(ZBX_UNKNOWN_STR)

​

ZBX_VECTOR_DECL(var, zbx_variant_t)

void    zbx_vector_var_clear_ext(zbx_vector_var_t *v);

​

typedef union

{

    zbx_uint64_t        ui64;

    double          dbl;

​

    /* null terminated string */

    char            *str;

​

    /* length prefixed (4 bytes) binary data */

    void            *bin;

​

    zbx_vector_var_t    *vector;

​

    /* null terminated error message */

    char            *err;

}

zbx_variant_data_t;

​

struct zbx_variant

{

    unsigned char       type;

    zbx_variant_data_t  data;

};

​

#define ZBX_VARIANT_NONE    0

#define ZBX_VARIANT_STR     1

#define ZBX_VARIANT_DBL     2

#define ZBX_VARIANT_UI64    3

#define ZBX_VARIANT_BIN     4

#define ZBX_VARIANT_VECTOR  5