nss-myhostname: move local address listing logic into shared, so that we can make...

[elogind.git] / src / shared / socket-util.h

diff --git a/src/shared/socket-util.h b/src/shared/socket-util.h
index d125fca83feea91526f85a7a68458876cbc31763..8d521ae1a0e85d0e41b1ca3924b8af7d8709e30e 100644 (file)
--- a/src/shared/socket-util.h
+++ b/src/shared/socket-util.h
@@ -111,3 +111,15 @@ SocketAddressBindIPv6Only socket_address_bind_ipv6_only_from_string(const char *
 
 int netlink_family_to_string_alloc(int b, char **s);
 int netlink_family_from_string(const char *s) _pure_;
+
+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);
+
+static inline size_t PROTO_ADDRESS_SIZE(int proto) {
+        assert(proto == AF_INET || proto == AF_INET6);
+        return proto == AF_INET6 ? 16 : 4;
+}