forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
they have LF at the end of the line on UN*X and CR/LF on Windows; hopefully this means that if a CR/LF version is checked in on Windows, the CRs will be stripped so that they show up only when checked out on Windows, not on UN*X. svn path=/trunk/; revision=11400
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* ipv4.h
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*
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* IPv4 address class. They understand how to take netmasks into consideration
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* during equivalence testing.
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*
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* Gilbert Ramirez <gram@alumni.rice.edu>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __IPV4_H__
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#define __IPV4_H__
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#include <glib.h>
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typedef struct {
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guint32 addr; /* stored in host order */
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guint32 nmask; /* stored in host order */
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} ipv4_addr;
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/* Allocate a new ipv4_addr struct, initialize it, and return pointer */
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ipv4_addr* ipv4_addr_new(void);
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/* Frees an ipv4 struct */
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void ipv4_addr_free(ipv4_addr *ipv4);
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void ipv4_addr_set_host_order_addr(ipv4_addr *ipv4, guint32 new_addr);
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void ipv4_addr_set_net_order_addr(ipv4_addr *ipv4, guint32 new_addr);
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void ipv4_addr_set_netmask_bits(ipv4_addr *ipv4, guint new_nmask_bits);
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guint32 ipv4_get_net_order_addr(ipv4_addr *ipv4);
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guint32 ipv4_get_host_order_addr(ipv4_addr *ipv4);
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/* Fills in a buffer with a dotted-decimal notation representation of an IPv4
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* address. */
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void ipv4_addr_str_buf(const ipv4_addr *ipv4, gchar *buf);
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/* Compares two ipv4_addrs, taking into account the less restrictive of the
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* two netmasks, applying that netmask to both addrs.
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*/
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gboolean ipv4_addr_eq(ipv4_addr *a, ipv4_addr *b);
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gboolean ipv4_addr_gt(ipv4_addr *a, ipv4_addr *b);
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gboolean ipv4_addr_ge(ipv4_addr *a, ipv4_addr *b);
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gboolean ipv4_addr_lt(ipv4_addr *a, ipv4_addr *b);
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gboolean ipv4_addr_le(ipv4_addr *a, ipv4_addr *b);
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#define ipv4_addr_ne(a,b) !ipv4_addr_eq((a),(b))
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#endif
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