udata: add nftnl_udata_put_u32() and nftnl_udata_get_u32()

Add new helper function to put and to fetch tlv that comes with u32
payload.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/include/libnftnl/udata.h b/include/libnftnl/udata.h
index d36cef7..e6f80f9 100644
--- a/include/libnftnl/udata.h
+++ b/include/libnftnl/udata.h
@@ -24,6 +24,8 @@ struct nftnl_udata *nftnl_udata_end(const struct nftnl_udata_buf *buf);
 /* putters */
 bool nftnl_udata_put(struct nftnl_udata_buf *buf, uint8_t type, uint32_t len,
 		     const void *value);
+bool nftnl_udata_put_u32(struct nftnl_udata_buf *buf, uint8_t type,
+			 uint32_t data);
 bool nftnl_udata_put_strz(struct nftnl_udata_buf *buf, uint8_t type,
 			  const char *strz);
 
@@ -31,6 +33,7 @@ bool nftnl_udata_put_strz(struct nftnl_udata_buf *buf, uint8_t type,
 uint8_t nftnl_udata_type(const struct nftnl_udata *attr);
 uint8_t nftnl_udata_len(const struct nftnl_udata *attr);
 void *nftnl_udata_get(const struct nftnl_udata *attr);
+uint32_t nftnl_udata_get_u32(const struct nftnl_udata *attr);
 
 /* iterator */
 struct nftnl_udata *nftnl_udata_next(const struct nftnl_udata *attr);