src: Constify iterators

Iterators do not modify objects which they iterate, so input pointer must
be const.

Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/set.c b/src/set.c
index 8a592db..5f72458 100644
--- a/src/set.c
+++ b/src/set.c
@@ -1175,11 +1175,12 @@ int nftnl_set_list_foreach(struct nftnl_set_list *set_list,
 EXPORT_SYMBOL_ALIAS(nftnl_set_list_foreach, nft_set_list_foreach);
 
 struct nftnl_set_list_iter {
-	struct nftnl_set_list	*list;
+	const struct nftnl_set_list	*list;
 	struct nftnl_set		*cur;
 };
 
-struct nftnl_set_list_iter *nftnl_set_list_iter_create(struct nftnl_set_list *l)
+struct nftnl_set_list_iter *
+nftnl_set_list_iter_create(const struct nftnl_set_list *l)
 {
 	struct nftnl_set_list_iter *iter;
 
@@ -1197,7 +1198,8 @@ struct nftnl_set_list_iter *nftnl_set_list_iter_create(struct nftnl_set_list *l)
 }
 EXPORT_SYMBOL_ALIAS(nftnl_set_list_iter_create, nft_set_list_iter_create);
 
-struct nftnl_set *nftnl_set_list_iter_cur(struct nftnl_set_list_iter *iter)
+struct nftnl_set *
+nftnl_set_list_iter_cur(const struct nftnl_set_list_iter *iter)
 {
 	return iter->cur;
 }