Add size-guards evaluated at compile-time to the main struct vnet_*

which are not in a module of their own like gif.

Single kernel compiles and universe will fail if the size of the struct
changes. Th expected values are given in sys/vimage.h.
See the comments where how to handle this.

Requested by:	peter

1 files changed, 3 insertions, 0 deletions

diff --git a/sys/netinet/vinet.h b/sys/netinet/vinet.h
index e123006..73cd3b9 100644
--- a/sys/netinet/vinet.h
+++ b/sys/netinet/vinet.h
@@ -196,6 +196,9 @@ struct vnet_inet {
 	int	_fw_one_pass;
 };
 
+/* Size guard. See sys/vimage.h. */
+VIMAGE_CTASSERT(SIZEOF_vnet_inet, sizeof(struct vnet_inet));
+
 #ifndef VIMAGE
 #ifndef VIMAGE_GLOBALS
 extern struct vnet_inet vnet_inet_0;