socket: constify interface

2 files changed, 12 insertions, 12 deletions

diff --git a/include/netlink/socket.h b/include/netlink/socket.h
index 31a36d3..f0062b5 100644
--- a/include/netlink/socket.h
+++ b/include/netlink/socket.h
@@ -23,7 +23,7 @@ extern struct nl_sock *	nl_socket_alloc(void);
 extern struct nl_sock *	nl_socket_alloc_cb(struct nl_cb *);
 extern void		nl_socket_free(struct nl_sock *);
 
-extern uint32_t		nl_socket_get_local_port(struct nl_sock *);
+extern uint32_t		nl_socket_get_local_port(const struct nl_sock *);
 extern void		nl_socket_set_local_port(struct nl_sock *, uint32_t);
 
 extern int		nl_socket_add_memberships(struct nl_sock *, int, ...);
@@ -34,12 +34,12 @@ extern int		nl_socket_drop_membership(struct nl_sock *,
 extern void		nl_join_groups(struct nl_sock *, int);
 
 
-extern uint32_t		nl_socket_get_peer_port(struct nl_sock *);
+extern uint32_t		nl_socket_get_peer_port(const struct nl_sock *);
 extern void		nl_socket_set_peer_port(struct nl_sock *,
 							uint32_t);
-extern uint32_t 	nl_socket_get_peer_groups(struct nl_sock *sk);
+extern uint32_t 	nl_socket_get_peer_groups(const struct nl_sock *sk);
 extern void 		nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups);
-extern struct nl_cb *	nl_socket_get_cb(struct nl_sock *);
+extern struct nl_cb *	nl_socket_get_cb(const struct nl_sock *);
 extern void		nl_socket_set_cb(struct nl_sock *,
 						 struct nl_cb *);
 extern int		nl_socket_modify_cb(struct nl_sock *, enum nl_cb_type,
@@ -55,8 +55,8 @@ extern unsigned int	nl_socket_use_seq(struct nl_sock *);
 extern void		nl_socket_disable_auto_ack(struct nl_sock *);
 extern void		nl_socket_enable_auto_ack(struct nl_sock *);
 
-extern int		nl_socket_get_fd(struct nl_sock *);
-extern int		nl_socket_set_nonblocking(struct nl_sock *);
+extern int		nl_socket_get_fd(const struct nl_sock *);
+extern int		nl_socket_set_nonblocking(const struct nl_sock *);
 extern void		nl_socket_enable_msg_peek(struct nl_sock *);
 extern void		nl_socket_disable_msg_peek(struct nl_sock *);
 
diff --git a/lib/socket.c b/lib/socket.c
index bed53c1..ebdf4e8 100644
--- a/lib/socket.c
+++ b/lib/socket.c
@@ -239,7 +239,7 @@ void nl_socket_enable_auto_ack(struct nl_sock *sk)
  * @{
  */
 
-uint32_t nl_socket_get_local_port(struct nl_sock *sk)
+uint32_t nl_socket_get_local_port(const struct nl_sock *sk)
 {
 	return sk->s_local.nl_pid;
 }
@@ -388,7 +388,7 @@ void nl_join_groups(struct nl_sock *sk, int groups)
  * @{
  */
 
-uint32_t nl_socket_get_peer_port(struct nl_sock *sk)
+uint32_t nl_socket_get_peer_port(const struct nl_sock *sk)
 {
 	return sk->s_peer.nl_pid;
 }
@@ -398,7 +398,7 @@ void nl_socket_set_peer_port(struct nl_sock *sk, uint32_t port)
 	sk->s_peer.nl_pid = port;
 }
 
-uint32_t nl_socket_get_peer_groups(struct nl_sock *sk)
+uint32_t nl_socket_get_peer_groups(const struct nl_sock *sk)
 {
 	return sk->s_peer.nl_groups;
 }
@@ -417,7 +417,7 @@ void nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups)
  * @{
  */
 
-int nl_socket_get_fd(struct nl_sock *sk)
+int nl_socket_get_fd(const struct nl_sock *sk)
 {
 	return sk->s_fd;
 }
@@ -428,7 +428,7 @@ int nl_socket_get_fd(struct nl_sock *sk)
  *
  * @return 0 on success or a negative error code.
  */
-int nl_socket_set_nonblocking(struct nl_sock *sk)
+int nl_socket_set_nonblocking(const struct nl_sock *sk)
 {
 	if (sk->s_fd == -1)
 		return -NLE_BAD_SOCK;
@@ -464,7 +464,7 @@ void nl_socket_disable_msg_peek(struct nl_sock *sk)
  * @{
  */
 
-struct nl_cb *nl_socket_get_cb(struct nl_sock *sk)
+struct nl_cb *nl_socket_get_cb(const struct nl_sock *sk)
 {
 	return nl_cb_get(sk->s_cb);
 }