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-rw-r--r--include/libnfnetlink/libnfnetlink.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/libnfnetlink/libnfnetlink.h b/include/libnfnetlink/libnfnetlink.h
index edd480d..acda88d 100644
--- a/include/libnfnetlink/libnfnetlink.h
+++ b/include/libnfnetlink/libnfnetlink.h
@@ -14,6 +14,9 @@
#define NLMSG_TAIL(nlh) \
(((void *) (nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))
+#define NFNL_HEADER_LEN (NLMSG_LENGTH(sizeof(struct nlmsghdr)) \
+ +NLMSG_LENGTH(sizeof(struct nfgenmsg)))
+
#define NFNL_BUFFSIZE 8192
struct nfnl_callback {