automake build system

[mech_eap.orig] / src / drivers / priv_netlink.h

diff --git a/src/drivers/priv_netlink.h b/src/drivers/priv_netlink.h
index 2a31e25..23eff83 100644 (file)
--- a/src/drivers/priv_netlink.h
+++ b/src/drivers/priv_netlink.h
@@ -53,8 +53,17 @@
 
 #define NLMSG_ALIGNTO 4
 #define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1))
+#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
 #define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr)))
+#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
 #define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0)))
+#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
+                            (struct nlmsghdr *) \
+                            (((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
+#define NLMSG_OK(nlh,len) ((len) >= (int) sizeof(struct nlmsghdr) && \
+                          (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
+                          (int) (nlh)->nlmsg_len <= (len))
+#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
 
 #define RTA_ALIGNTO 4
 #define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1))