/usr/include/wireshark/epan/ipv4.h is in libwireshark-dev 2.0.2+ga16e22e-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /* ipv4.h
*
* IPv4 address class. They understand how to take netmasks into consideration
* during equivalence testing.
*
* Gilbert Ramirez <gram@alumni.rice.edu>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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.
*/
#ifndef __IPV4_H__
#define __IPV4_H__
#include <glib.h>
#include "ws_symbol_export.h"
typedef struct {
guint32 addr; /* stored in host order */
guint32 nmask; /* stored in host order */
} ipv4_addr;
/* Allocate a new ipv4_addr struct, initialize it, and return pointer */
ipv4_addr* ipv4_addr_new(void);
/* Frees an ipv4 struct */
void ipv4_addr_free(ipv4_addr *ipv4);
void ipv4_addr_set_host_order_addr(ipv4_addr *ipv4, const guint32 new_addr);
void ipv4_addr_set_net_order_addr(ipv4_addr *ipv4, const guint32 new_addr);
void ipv4_addr_set_netmask_bits(ipv4_addr *ipv4, const guint new_nmask_bits);
WS_DLL_PUBLIC
guint32 ipv4_get_net_order_addr(ipv4_addr *ipv4);
guint32 ipv4_get_host_order_addr(ipv4_addr *ipv4);
/* Fills in a buffer with a dotted-decimal notation representation of an IPv4
* address. */
void ipv4_addr_str_buf(const ipv4_addr *ipv4, gchar *buf);
/* Compares two ipv4_addrs, taking into account the less restrictive of the
* two netmasks, applying that netmask to both addrs.
*/
gboolean ipv4_addr_eq(const ipv4_addr *a, const ipv4_addr *b);
gboolean ipv4_addr_gt(const ipv4_addr *a, const ipv4_addr *b);
gboolean ipv4_addr_ge(const ipv4_addr *a, const ipv4_addr *b);
gboolean ipv4_addr_lt(const ipv4_addr *a, const ipv4_addr *b);
gboolean ipv4_addr_le(const ipv4_addr *a, const ipv4_addr *b);
#define ipv4_addr_ne(a,b) !ipv4_addr_eq((a),(b))
#endif
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