lib: random unused bits cleanup

Signed-off-by: David Lamparter <equinox@diac24.net>

7 files changed, 12 insertions, 34 deletions

diff --git a/lib/buffer.c b/lib/buffer.c
index bb2cdb7e54..766b9791a5 100644
--- a/lib/buffer.c
+++ b/lib/buffer.c
@@ -114,12 +114,6 @@ char *buffer_getstr(struct buffer *b)
 	return s;
 }
 
-/* Return 1 if buffer is empty. */
-int buffer_empty(struct buffer *b)
-{
-	return (b->head == NULL);
-}
-
 /* Clear and free all allocated data. */
 void buffer_reset(struct buffer *b)
 {
diff --git a/lib/filter.c b/lib/filter.c
index ed3ffe9c67..31e25d6001 100644
--- a/lib/filter.c
+++ b/lib/filter.c
@@ -2498,8 +2498,8 @@ DEFUN (no_ipv6_access_list_remark_comment,
 	return no_ipv6_access_list_remark(self, vty, argc, argv);
 }
 
-void config_write_access_zebra(struct vty *, struct filter *);
-void config_write_access_cisco(struct vty *, struct filter *);
+static void config_write_access_zebra(struct vty *, struct filter *);
+static void config_write_access_cisco(struct vty *, struct filter *);
 
 /* show access-list command. */
 static int filter_show(struct vty *vty, const char *name, afi_t afi)
@@ -2685,7 +2685,7 @@ DEFUN (show_ipv6_access_list_name,
 	return filter_show(vty, argv[idx_word]->arg, AFI_IP6);
 }
 
-void config_write_access_cisco(struct vty *vty, struct filter *mfilter)
+static void config_write_access_cisco(struct vty *vty, struct filter *mfilter)
 {
 	struct filter_cisco *filter;
 
@@ -2724,7 +2724,7 @@ void config_write_access_cisco(struct vty *vty, struct filter *mfilter)
 	}
 }
 
-void config_write_access_zebra(struct vty *vty, struct filter *mfilter)
+static void config_write_access_zebra(struct vty *vty, struct filter *mfilter)
 {
 	struct filter_zebra *filter;
 	struct prefix *p;
diff --git a/lib/grammar_sandbox.c b/lib/grammar_sandbox.c
index a23874a517..8ccdbfcbc1 100644
--- a/lib/grammar_sandbox.c
+++ b/lib/grammar_sandbox.c
@@ -38,9 +38,9 @@ DEFINE_MTYPE_STATIC(LIB, CMD_TOKENS, "Command desc")
 
 /** headers **/
 void grammar_sandbox_init(void);
-void pretty_print_graph(struct vty *vty, struct graph_node *, int, int,
-			struct graph_node **, size_t);
-void init_cmdgraph(struct vty *, struct graph **);
+static void pretty_print_graph(struct vty *vty, struct graph_node *, int, int,
+			       struct graph_node **, size_t);
+static void init_cmdgraph(struct vty *, struct graph **);
 
 /** shim interface commands **/
 static struct graph *nodegraph = NULL, *nodegraph_free = NULL;
@@ -491,8 +491,9 @@ void grammar_sandbox_init(void)
  * @param start the node to take as the root
  * @param level indent level for recursive calls, always pass 0
  */
-void pretty_print_graph(struct vty *vty, struct graph_node *start, int level,
-			int desc, struct graph_node **stack, size_t stackpos)
+static void pretty_print_graph(struct vty *vty, struct graph_node *start,
+			       int level, int desc, struct graph_node **stack,
+			       size_t stackpos)
 {
 	// print this node
 	char tokennum[32];
@@ -550,7 +551,7 @@ void pretty_print_graph(struct vty *vty, struct graph_node *start, int level,
 }
 
 /** stuff that should go in command.c + command.h */
-void init_cmdgraph(struct vty *vty, struct graph **graph)
+static void init_cmdgraph(struct vty *vty, struct graph **graph)
 {
 	// initialize graph, add start noe
 	*graph = graph_new();
diff --git a/lib/sockopt.c b/lib/sockopt.c
index 7726d74ff7..3b12d16cbc 100644
--- a/lib/sockopt.c
+++ b/lib/sockopt.c
@@ -122,21 +122,6 @@ int setsockopt_ipv6_pktinfo(int sock, int val)
 }
 
 /* Set multicast hops val to the socket. */
-int setsockopt_ipv6_checksum(int sock, int val)
-{
-	int ret;
-
-#ifdef GNU_LINUX
-	ret = setsockopt(sock, IPPROTO_RAW, IPV6_CHECKSUM, &val, sizeof(val));
-#else
-	ret = setsockopt(sock, IPPROTO_IPV6, IPV6_CHECKSUM, &val, sizeof(val));
-#endif /* GNU_LINUX */
-	if (ret < 0)
-		flog_err(EC_LIB_SOCKET, "can't setsockopt IPV6_CHECKSUM");
-	return ret;
-}
-
-/* Set multicast hops val to the socket. */
 int setsockopt_ipv6_multicast_hops(int sock, int val)
 {
 	int ret;
diff --git a/lib/sockopt.h b/lib/sockopt.h
index f6b57b8e07..59d8a65964 100644
--- a/lib/sockopt.h
+++ b/lib/sockopt.h
@@ -33,7 +33,6 @@ extern int getsockopt_so_sendbuf(const int sock);
 extern int getsockopt_so_recvbuf(const int sock);
 
 extern int setsockopt_ipv6_pktinfo(int, int);
-extern int setsockopt_ipv6_checksum(int, int);
 extern int setsockopt_ipv6_multicast_hops(int, int);
 extern int setsockopt_ipv6_unicast_hops(int, int);
 extern int setsockopt_ipv6_hoplimit(int, int);
diff --git a/lib/systemd.c b/lib/systemd.c
index 16fbbff380..81b0400ab9 100644
--- a/lib/systemd.c
+++ b/lib/systemd.c
@@ -32,7 +32,7 @@
  * Wrapper this silliness if we
  * don't have systemd
  */
-void systemd_send_information(const char *info)
+static void systemd_send_information(const char *info)
 {
 #if defined HAVE_SYSTEMD
 	sd_notify(0, info);
diff --git a/lib/systemd.h b/lib/systemd.h
index 1f730720ce..d9885c5d9c 100644
--- a/lib/systemd.h
+++ b/lib/systemd.h
@@ -32,7 +32,6 @@ extern "C" {
  * To turn on systemd compilation, use --enable-systemd on
  * configure run.
  */
-void systemd_send_information(const char *info);
 void systemd_send_stopping(void);
 
 /*