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 "zbxexpr.h"

​

#include "zbxnum.h"

#include "zbxstr.h"

​

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

 *                                                                            *

 * Return value:  SUCCEED - the char is allowed in the trigger function       *

 *                FAIL - otherwise                                            *

 *                                                                            *

 * Comments: in trigger function allowed characters: 'a-z'                    *

 *           !!! Don't forget to sync the code with PHP !!!                   *

 *                                                                            *

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

int zbx_is_function_char(unsigned char c)

{

    if (0 != islower(c))

        return SUCCEED;

​

    return FAIL;

}

​

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

 *                                                                            *

 * Purpose: validate parameters and give position of terminator if found and  *

 *          not quoted                                                        *

 *                                                                            *

 * Parameters: expr       - [IN] string to parse that contains parameters     *

 *                                                                            *

 *             terminator - [IN] use ')' if parameters end with               *

 *                               parenthesis or '\0' if ends with NULL        *

 *                               terminator                                   *

 *             par_r      - [OUT] position of the terminator if found         *

 *             lpp_offset - [OUT] offset of the last parsed parameter         *

 *             lpp_len    - [OUT] length of the last parsed parameter         *

 *                                                                            *

 * Return value: SUCCEED -  closing parenthesis was found or other custom     *

 *                          terminator and not quoted and return info about a *

 *                          last processed parameter.                         *

 *               FAIL    -  does not look like a valid function parameter     *

 *                          list and return info about a last processed       *

 *                          parameter.                                        *

 *                                                                            *

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