src: add nft_*_attr_is_set

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/libnftables/set.h b/include/libnftables/set.h
index f337f60..bcd4db7 100644
--- a/include/libnftables/set.h
+++ b/include/libnftables/set.h
@@ -1,6 +1,9 @@
 #ifndef _NFT_SET_H_
 #define _NFT_SET_H_
 
+#include <stdint.h>
+#include <stdbool.h>
+
 enum {
 	NFT_SET_ATTR_TABLE,
 	NFT_SET_ATTR_NAME,
@@ -16,6 +19,7 @@ struct nft_set;
 struct nft_set *nft_set_alloc(void);
 void nft_set_free(struct nft_set *s);
 
+bool nft_set_attr_is_set(struct nft_set *s, uint16_t attr);
 void nft_set_attr_unset(struct nft_set *s, uint16_t attr);
 void nft_set_attr_set(struct nft_set *s, uint16_t attr, const void *data);
 void nft_set_attr_set_u32(struct nft_set *s, uint16_t attr, uint32_t val);
@@ -73,6 +77,8 @@ void *nft_set_elem_attr_get(struct nft_set_elem *s, uint16_t attr, size_t *data_
 const char *nft_set_elem_attr_get_str(struct nft_set_elem *s, uint16_t attr);
 uint32_t nft_set_elem_attr_get_u32(struct nft_set_elem *s, uint16_t attr);
 
+bool nft_set_elem_attr_is_set(struct nft_set_elem *s, uint16_t attr);
+
 struct nlmsghdr *nft_set_elem_nlmsg_build_hdr(char *buf, uint16_t cmd, uint16_t family, uint16_t type, uint32_t seq);
 void nft_set_elems_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set *s);
 void nft_set_elem_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set_elem *e);