iptables-restore: Constify struct iptables_restore_cb

Just like with xtables-restore, these callbacks don't change at
run-time.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/iptables/iptables-restore.c b/iptables/iptables-restore.c
index 3655b3e84637ed6cf081777fc6279f8563d8bbba..50d0708eff1f3a3eb5011019638da8575a7c8d1c 100644 (file)
--- a/iptables/iptables-restore.c
+++ b/iptables/iptables-restore.c
@@ -70,7 +70,7 @@ struct iptables_restore_cb {
 };
 
 static struct xtc_handle *
-create_handle(struct iptables_restore_cb *cb, const char *tablename)
+create_handle(const struct iptables_restore_cb *cb, const char *tablename)
 {
        struct xtc_handle *handle;
 
@@ -90,7 +90,8 @@ create_handle(struct iptables_restore_cb *cb, const char *tablename)
 }
 
 static int
-ip46tables_restore_main(struct iptables_restore_cb *cb, int argc, char *argv[])
+ip46tables_restore_main(const struct iptables_restore_cb *cb,
+                       int argc, char *argv[])
 {
        struct xtc_handle *handle = NULL;
        char buffer[10240];
@@ -360,7 +361,7 @@ ip46tables_restore_main(struct iptables_restore_cb *cb, int argc, char *argv[])
 
 
 #if defined ENABLE_IPV4
-struct iptables_restore_cb ipt_restore_cb = {
+static const struct iptables_restore_cb ipt_restore_cb = {
        .ops            = &iptc_ops,
        .for_each_chain = for_each_chain4,
        .flush_entries  = flush_entries4,
@@ -391,7 +392,7 @@ iptables_restore_main(int argc, char *argv[])
 #endif
 
 #if defined ENABLE_IPV6
-struct iptables_restore_cb ip6t_restore_cb = {
+static const struct iptables_restore_cb ip6t_restore_cb = {
        .ops            = &ip6tc_ops,
        .for_each_chain = for_each_chain6,
        .flush_entries  = flush_entries6,