socket-util: introduce port argument in sockaddr_port()

[elogind.git] / src / basic / socket-util.c

diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c
index 1d43a48aea88d4980154b79b6e0c3ccd03cd63b0..151586479bc0219f6c500c8126c0f34175ff4620 100644 (file)
--- a/src/basic/socket-util.c
+++ b/src/basic/socket-util.c
@@ -481,7 +481,7 @@ bool socket_address_matches_fd(const SocketAddress *a, int fd) {
         return socket_address_equal(a, &b);
 }
 
-int sockaddr_port(const struct sockaddr *_sa) {
+int sockaddr_port(const struct sockaddr *_sa, unsigned *port) {
         union sockaddr_union *sa = (union sockaddr_union*) _sa;
 
         assert(sa);
@@ -489,7 +489,8 @@ int sockaddr_port(const struct sockaddr *_sa) {
         if (!IN_SET(sa->sa.sa_family, AF_INET, AF_INET6))
                 return -EAFNOSUPPORT;
 
-        return be16toh(sa->sa.sa_family == AF_INET6 ? sa->in6.sin6_port : sa->in.sin_port);
+        *port = be16toh(sa->sa.sa_family == AF_INET6 ? sa->in6.sin6_port : sa->in.sin_port);
+        return 0;
 }
 
 int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, bool include_port, char **ret) {