Zabbix

/*

** Zabbix

** Copyright (C) 2001-2022 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 "common.h"

#include "sysinfo.h"

#include "zbxregexp.h"

#include "log.h"

​

#include <sys/sysctl.h>

​

static kvm_t    *kd = NULL;

​

static char *proc_argv(pid_t pid)

{

    size_t      sz = 0;

    int     mib[4], ret;

    int     i, len;

    static char *argv = NULL;

    static size_t   argv_alloc = 0;

​

    mib[0] = CTL_KERN;

    mib[1] = KERN_PROC_ARGS;

    mib[2] = (int)pid;

    mib[3] = KERN_PROC_ARGV;

​

    if (0 != sysctl(mib, 4, NULL, &sz, NULL, 0))

        return NULL;

​

    if (argv_alloc < sz)

    {

        argv_alloc = sz;

        if (NULL == argv)

            argv = zbx_malloc(argv, argv_alloc);

        else

            argv = zbx_realloc(argv, argv_alloc);

    }

​

    sz = argv_alloc;

    if (0 != sysctl(mib, 4, argv, &sz, NULL, 0))

        return NULL;

​

    for (i = 0; i < (int)(sz - 1); i++ )

        if (argv[i] == '\0')

            argv[i] = ' ';

​

    return argv;

}