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 "json.h"

​

#include "zbxjson.h"

#include "json_parser.h"

#include "jsonpath.h"

​

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

 *                                                                            *

 * Purpose: return string describing json error                               *

 *                                                                            *

 * Return value: pointer to the null terminated string                        *

 *                                                                            *

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

#define ZBX_JSON_MAX_STRERROR   255

​

static ZBX_THREAD_LOCAL char    zbx_json_strerror_message[ZBX_JSON_MAX_STRERROR];

​

const char  *zbx_json_strerror(void)

{

    return zbx_json_strerror_message;

}

​

void    zbx_set_json_strerror(const char *fmt, ...)

{

    size_t  sz;

    va_list args;

​

    va_start(args, fmt);

​

    sz = zbx_vsnprintf(zbx_json_strerror_message, sizeof(zbx_json_strerror_message), fmt, args);

​

    if (sizeof(zbx_json_strerror_message) - 1 == sz)

    {

        /* ensure that the string is not cut in the middle of UTF-8 sequence */

        size_t  idx = sz - 1;

        while (0x80 == (0xc0 & zbx_json_strerror_message[idx]) && 0 < idx)

            idx--;

​

        if (zbx_utf8_char_len(zbx_json_strerror_message + idx) != sz - idx)

            zbx_json_strerror_message[idx] = '\0';

    }

​

    va_end(args);

}

​

static void __zbx_json_realloc(struct zbx_json *j, size_t need)

{

    int realloc = 0;

​