diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libnfnetlink/libnfnetlink.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/libnfnetlink/libnfnetlink.h b/include/libnfnetlink/libnfnetlink.h index 4935a3e..91373b8 100644 --- a/include/libnfnetlink/libnfnetlink.h +++ b/include/libnfnetlink/libnfnetlink.h @@ -85,6 +85,20 @@ extern struct nlmsghdr *nfnl_get_msg_next(struct nfnl_handle *h, const unsigned char *buf, size_t len); +#define nfnl_get_data(tb, attr, type) \ + ({ type __ret = 0; \ + if (tb[attr-1]) \ + __ret = *(type *)NFA_DATA(tb[attr-1]); \ + __ret; \ + }) + +#define nfnl_get_pointer_to_data(tb, attr, type) \ + ({ type *__ret = NULL; \ + if (tb[attr-1]) \ + __ret = NFA_DATA(tb[attr-1]); \ + __ret; \ + }) + /* nfnl attribute handling functions */ extern int nfnl_addattr_l(struct nlmsghdr *, int, int, void *, int); extern int nfnl_addattr32(struct nlmsghdr *, int, int, u_int32_t); |