From ce31ec116f9bf4ad45952b6a200f4181fac311a3 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Tue, 13 Sep 2016 21:24:07 -0400 Subject: ./tools/notsd-move --- src/libbasic/include/basic/in-addr-util.h | 64 +++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/libbasic/include/basic/in-addr-util.h (limited to 'src/libbasic/include/basic/in-addr-util.h') diff --git a/src/libbasic/include/basic/in-addr-util.h b/src/libbasic/include/basic/in-addr-util.h new file mode 100644 index 0000000000..d60064aef8 --- /dev/null +++ b/src/libbasic/include/basic/in-addr-util.h @@ -0,0 +1,64 @@ +#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 . +***/ + +#include +#include +#include + +#include "macro.h" +#include "util.h" + +union in_addr_union { + struct in_addr in; + struct in6_addr in6; +}; + +struct in_addr_data { + int family; + union in_addr_union address; +}; + +bool in4_addr_is_null(const struct in_addr *a); +bool in6_addr_is_null(const struct in6_addr *a); + +int in_addr_is_null(int family, const union in_addr_union *u); +int in_addr_is_link_local(int family, const union in_addr_union *u); +int in_addr_is_localhost(int family, const union in_addr_union *u); +int in_addr_equal(int family, const union in_addr_union *a, const union in_addr_union *b); +int in_addr_prefix_intersect(int family, const union in_addr_union *a, unsigned aprefixlen, const union in_addr_union *b, unsigned bprefixlen); +int in_addr_prefix_next(int family, union in_addr_union *u, unsigned prefixlen); +int in_addr_to_string(int family, const union in_addr_union *u, char **ret); +int in_addr_ifindex_to_string(int family, const union in_addr_union *u, int ifindex, char **ret); +int in_addr_from_string(int family, const char *s, union in_addr_union *ret); +int in_addr_from_string_auto(const char *s, int *family, union in_addr_union *ret); +int in_addr_ifindex_from_string_auto(const char *s, int *family, union in_addr_union *ret, int *ifindex); +unsigned char in_addr_netmask_to_prefixlen(const struct in_addr *addr); +struct in_addr* in_addr_prefixlen_to_netmask(struct in_addr *addr, unsigned char prefixlen); +int in_addr_default_prefixlen(const struct in_addr *addr, unsigned char *prefixlen); +int in_addr_default_subnet_mask(const struct in_addr *addr, struct in_addr *mask); +int in_addr_mask(int family, union in_addr_union *addr, unsigned char prefixlen); + +static inline size_t FAMILY_ADDRESS_SIZE(int family) { + assert(family == AF_INET || family == AF_INET6); + return family == AF_INET6 ? 16 : 4; +} + +#define IN_ADDR_NULL ((union in_addr_union) {}) -- cgit v1.2.3-54-g00ecf