suricata
Main Page
Related Pages
Modules
Data Structures
Files
File List
Globals
util-cidr.c
Go to the documentation of this file.
1
/* Copyright (C) 2007-2010 Open Information Security Foundation
2
*
3
* You can copy, redistribute or modify this Program under the terms of
4
* the GNU General Public License version 2 as published by the Free
5
* Software Foundation.
6
*
7
* This program is distributed in the hope that it will be useful,
8
* but WITHOUT ANY WARRANTY; without even the implied warranty of
9
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10
* GNU General Public License for more details.
11
*
12
* You should have received a copy of the GNU General Public License
13
* version 2 along with this program; if not, write to the Free Software
14
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15
* 02110-1301, USA.
16
*/
17
18
/**
19
* \file
20
*
21
* \author Victor Julien <victor@inliniac.net>
22
*
23
* CIDR utility functions
24
*/
25
26
#include "
suricata-common.h
"
27
#include "
util-cidr.h
"
28
29
static
uint32_t cidrs[33];
30
31
void
CIDRInit
(
void
)
32
{
33
int
i = 0;
34
35
/* skip 0 as it will result in 0xffffffff */
36
cidrs[0] = 0;
37
for
(i = 1; i < 33; i++) {
38
cidrs[i] = htonl(0xFFFFFFFF << (32 - i));
39
//printf("CIDRInit: cidrs[%02d] = 0x%08X\n", i, cidrs[i]);
40
}
41
}
42
43
uint32_t
CIDRGet
(
int
cidr)
44
{
45
if
(cidr < 0 || cidr > 32)
46
return
0;
47
return
cidrs[cidr];
48
}
49
CIDRInit
void CIDRInit(void)
Definition:
util-cidr.c:31
CIDRGet
uint32_t CIDRGet(int cidr)
Definition:
util-cidr.c:43
util-cidr.h
suricata-common.h
src
util-cidr.c
Generated on Fri Feb 22 2019 23:30:21 for suricata by
1.8.11