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 "zbxstr.h"

#include "zbxlog.h"

#include "zbxhttp.h"

#include "zbxtypes.h"

#include "zbxalgo.h"

#include "zbxexpr.h"

​

static int  str_loc_cmp(const char *src, const zbx_strloc_t *loc, const char *text, size_t text_len)

{

    ZBX_RETURN_IF_NOT_EQUAL(loc->r - loc->l + 1, text_len);

​

    return zbx_strncasecmp(src + loc->l, text, text_len);

}

​

static char *str_loc_dup(const char *src, const zbx_strloc_t *loc)

{

    char    *str;

    size_t  len;

​

    len = loc->r - loc->l + 1;

    str = zbx_malloc(NULL, len + 1);

    memcpy(str, src + loc->l, len);

    str[len] = '\0';

​

    return str;

}

​

#define ZBX_ATTRIBUTE_NAME_CHARLIST " \"'=<>`/"

static int  parse_attribute_name(const char *data, size_t pos, zbx_strloc_t *loc)

{

    const char  *ptr = data + pos;

​

    if (NULL != strchr(ZBX_ATTRIBUTE_NAME_CHARLIST, *ptr))

        return FAIL;

​

    while (NULL == strchr(ZBX_ATTRIBUTE_NAME_CHARLIST, *(++ptr)))

        ;

​

    loc->l = pos;

    loc->r = (size_t)(ptr - data) - 1;

​

    return SUCCEED;

}

#undef ZBX_ATTRIBUTE_NAME_CHARLIST