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 "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);

}