3 * IPv4 address class. They understand how to take netmasks into consideration
4 * during equivalence testing.
6 * Gilbert Ramirez <gram@alumni.rice.edu>
10 * Wireshark - Network traffic analyzer
11 * By Gerald Combs <gerald@wireshark.org>
12 * Copyright 1998 Gerald Combs
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
35 guint32 addr; /* stored in host order */
36 guint32 nmask; /* stored in host order */
39 /* Allocate a new ipv4_addr struct, initialize it, and return pointer */
40 ipv4_addr* ipv4_addr_new(void);
42 /* Frees an ipv4 struct */
43 void ipv4_addr_free(ipv4_addr *ipv4);
45 void ipv4_addr_set_host_order_addr(ipv4_addr *ipv4, const guint32 new_addr);
46 void ipv4_addr_set_net_order_addr(ipv4_addr *ipv4, const guint32 new_addr);
47 void ipv4_addr_set_netmask_bits(ipv4_addr *ipv4, const guint new_nmask_bits);
49 guint32 ipv4_get_net_order_addr(ipv4_addr *ipv4);
50 guint32 ipv4_get_host_order_addr(ipv4_addr *ipv4);
52 /* Fills in a buffer with a dotted-decimal notation representation of an IPv4
54 void ipv4_addr_str_buf(const ipv4_addr *ipv4, gchar *buf);
56 /* Compares two ipv4_addrs, taking into account the less restrictive of the
57 * two netmasks, applying that netmask to both addrs.
59 gboolean ipv4_addr_eq(ipv4_addr *a, ipv4_addr *b);
60 gboolean ipv4_addr_gt(ipv4_addr *a, ipv4_addr *b);
61 gboolean ipv4_addr_ge(ipv4_addr *a, ipv4_addr *b);
62 gboolean ipv4_addr_lt(ipv4_addr *a, ipv4_addr *b);
63 gboolean ipv4_addr_le(ipv4_addr *a, ipv4_addr *b);
65 #define ipv4_addr_ne(a,b) !ipv4_addr_eq((a),(b))