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
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <netinet/in.h>
#include "macro.h"
#include "util.h"
union in_addr_union {
struct in_addr in;
struct in6_addr in6;
};
int in_addr_null(unsigned family, union in_addr_union *u);
int in_addr_equal(unsigned family, union in_addr_union *a, union in_addr_union *b);
int in_addr_prefix_intersect(unsigned family, const union in_addr_union *a, unsigned aprefixlen, const union in_addr_union *b, unsigned bprefixlen);
int in_addr_prefix_next(unsigned family, union in_addr_union *u, unsigned prefixlen);
int in_addr_to_string(unsigned family, const union in_addr_union *u, char **ret);
int in_addr_from_string(unsigned family, const char *s, union in_addr_union *ret);
int in_addr_from_string_auto(const char *s, unsigned *family, union in_addr_union *ret);
static inline size_t FAMILY_ADDRESS_SIZE(int family) {
assert(family == AF_INET || family == AF_INET6);
return family == AF_INET6 ? 16 : 4;
}
|
