forked from osmocom/wireshark
![Dario Lombardo](/assets/img/avatar_default.png)
Skipping dissectors dir for now. Change-Id: I717b66bfbc7cc81b83f8c2cbc011fcad643796aa Reviewed-on: https://code.wireshark.org/review/25694 Petri-Dish: Dario Lombardo <lomato@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
42 lines
1 KiB
C
42 lines
1 KiB
C
/* addr_and_mask.h
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* Declarations of routines to fetch IPv4 and IPv6 addresses from a tvbuff
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* and then mask out bits other than those covered by a prefix length
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __ADDR_AND_MASK_H__
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#define __ADDR_AND_MASK_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* These routines return PREFIX_LEN_OK on success, PREFIX_LEN_TOO_LONG if
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* the prefix length is too long, and PREFIX_LEN_ZERO if the prefix length
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* is 0.
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*/
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#define PREFIX_LEN_OK 0
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#define PREFIX_LEN_TOO_LONG 1
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#define PREFIX_LEN_ZERO 2
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extern int tvb_get_ipv4_addr_with_prefix_len(tvbuff_t *tvb, int offset,
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guint8 *addr, guint32 prefix_len);
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extern int tvb_get_ipv6_addr_with_prefix_len(tvbuff_t *tvb, int offset,
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ws_in6_addr *addr, guint32 prefix_len);
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guint32 ip_get_subnet_mask(const guint32 mask_length);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __ADDR_AND_MASK_H__ */
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