Zabbix
Public
Source
return ' ' == c || '(' == c || '\r' == c || '\n' == c || '\t' == c || ')' == c || '\0' == c ? SUCCEED : FAIL;/*** 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.**//****************************************************************************** * * * Module for evaluating expressions * * --------------------------------------- * * * * Global variables are used for efficiency reasons so that arguments do not * * have to be passed to each of evaluate_termX() functions. For this reason, * * too, this module is isolated into a separate file. * * * * The priority of supported operators is as follows: * * * * - (unary) evaluate_term8() * * not evaluate_term7() * * * / evaluate_term6() * * + - evaluate_term5() * * < <= >= > evaluate_term4() * * = <> evaluate_term3() * * and evaluate_term2() * * or evaluate_term1() * * * * Function evaluate_term9() is used for parsing tokens on the lowest level: * * those can be suffixed numbers like "12.345K" or parenthesized expressions. * * * ******************************************************************************/static const char *ptr; /* character being looked at */static int level; /* expression nesting level */static char *buffer; /* error message buffer */static size_t max_buffer_len; /* error message buffer size *//****************************************************************************** * * * Purpose: check whether the character delimits a numeric token * * * ******************************************************************************/static int is_number_delimiter(char c){