src: add nftnl_*_{get,set}_array()

The original intention in eb58f53372e7 ("src: add flowtable support")
was to introduce this helper function. Add helper to set and to get
array of strings.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/include/libnftnl/chain.h b/include/libnftnl/chain.h
index 33d04e1..2eb22cc 100644
--- a/include/libnftnl/chain.h
+++ b/include/libnftnl/chain.h
@@ -46,6 +46,7 @@ void nftnl_chain_set_u32(struct nftnl_chain *t, uint16_t attr, uint32_t data);
 void nftnl_chain_set_s32(struct nftnl_chain *t, uint16_t attr, int32_t data);
 void nftnl_chain_set_u64(struct nftnl_chain *t, uint16_t attr, uint64_t data);
 int nftnl_chain_set_str(struct nftnl_chain *t, uint16_t attr, const char *str);
+int nftnl_chain_set_array(struct nftnl_chain *t, uint16_t attr, const char **data);
 
 const void *nftnl_chain_get(const struct nftnl_chain *c, uint16_t attr);
 const void *nftnl_chain_get_data(const struct nftnl_chain *c, uint16_t attr,
@@ -55,6 +56,7 @@ uint8_t nftnl_chain_get_u8(const struct nftnl_chain *c, uint16_t attr);
 uint32_t nftnl_chain_get_u32(const struct nftnl_chain *c, uint16_t attr);
 int32_t nftnl_chain_get_s32(const struct nftnl_chain *c, uint16_t attr);
 uint64_t nftnl_chain_get_u64(const struct nftnl_chain *c, uint16_t attr);
+const char *const *nftnl_chain_get_array(const struct nftnl_chain *c, uint16_t attr);
 
 void nftnl_chain_rule_add(struct nftnl_rule *rule, struct nftnl_chain *c);
 void nftnl_chain_rule_del(struct nftnl_rule *rule);