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3b653205 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2014 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | #include <netinet/in.h> | |
25 | ||
26 | #include "macro.h" | |
27 | #include "util.h" | |
28 | ||
29 | union in_addr_union { | |
30 | struct in_addr in; | |
31 | struct in6_addr in6; | |
32 | }; | |
33 | ||
af93291c LP |
34 | int in_addr_is_null(int family, const union in_addr_union *u); |
35 | int in_addr_is_link_local(int family, const union in_addr_union *u); | |
623a4c97 | 36 | int in_addr_equal(int family, const union in_addr_union *a, const union in_addr_union *b); |
0dd25fb9 LP |
37 | int in_addr_prefix_intersect(int family, const union in_addr_union *a, unsigned aprefixlen, const union in_addr_union *b, unsigned bprefixlen); |
38 | int in_addr_prefix_next(int family, union in_addr_union *u, unsigned prefixlen); | |
39 | int in_addr_to_string(int family, const union in_addr_union *u, char **ret); | |
40 | int in_addr_from_string(int family, const char *s, union in_addr_union *ret); | |
41 | int in_addr_from_string_auto(const char *s, int *family, union in_addr_union *ret); | |
76917807 LP |
42 | unsigned char in_addr_netmask_to_prefixlen(const struct in_addr *addr); |
43 | struct in_addr* in_addr_prefixlen_to_netmask(struct in_addr *addr, unsigned char prefixlen); | |
df40eee8 TG |
44 | int in_addr_default_prefixlen(const struct in_addr *addr, unsigned char *prefixlen); |
45 | int in_addr_default_subnet_mask(const struct in_addr *addr, struct in_addr *mask); | |
5a8bcb67 | 46 | int in_addr_mask(int family, union in_addr_union *addr, unsigned char prefixlen); |
3b653205 | 47 | |
9d485985 LP |
48 | static inline size_t FAMILY_ADDRESS_SIZE(int family) { |
49 | assert(family == AF_INET || family == AF_INET6); | |
50 | return family == AF_INET6 ? 16 : 4; | |
3b653205 | 51 | } |
5a8bcb67 LP |
52 | |
53 | #define IN_ADDR_NULL ((union in_addr_union) {}) |