2 files changed, 18 insertions, 0 deletions
diff --git a/src/shared/socket-util.c b/src/shared/socket-util.c
index 0a0726d87d..1a04f323ab 100644
--- a/src/shared/socket-util.c
+++ b/src/shared/socket-util.c
@@ -711,3 +711,19 @@ static const char* const socket_address_bind_ipv6_only_table[_SOCKET_ADDRESS_BIN
 };
 
 DEFINE_STRING_TABLE_LOOKUP(socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
+
+bool sockaddr_equal(const union sockaddr_union *a, const union sockaddr_union *b) {
+        assert(a);
+        assert(b);
+
+        if (a->sa.sa_family != b->sa.sa_family)
+                return false;
+
+        if (a->sa.sa_family == AF_INET)
+                return a->in.sin_addr.s_addr == b->in.sin_addr.s_addr;
+
+        if (a->sa.sa_family == AF_INET6)
+                return memcmp(&a->in6.sin6_addr, &b->in6.sin6_addr, sizeof(a->in6.sin6_addr)) == 0;
+
+        return false;
+}
diff --git a/src/shared/socket-util.h b/src/shared/socket-util.h
index 9883ab0328..0b4998d044 100644
--- a/src/shared/socket-util.h
+++ b/src/shared/socket-util.h
@@ -109,3 +109,5 @@ 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_;
+
+bool sockaddr_equal(const union sockaddr_union *a, const union sockaddr_union *b);