X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fvserver-internal.h;h=972f30181b93275ab2d0060238fb1e7d678003bb;hb=8d972d8986f713d3c30984453b597ccf9fe28646;hp=bb9b7dbcee3fe019b4eb29987c477be72130d362;hpb=5235cef1c10e3ae954784eb5b75073c89660e881;p=util-vserver.git

diff --git a/lib/vserver-internal.h b/lib/vserver-internal.h
index bb9b7db..972f301 100644
--- a/lib/vserver-internal.h
+++ b/lib/vserver-internal.h
@@ -87,6 +87,15 @@
 extern "C" {
 #endif
 
+#define ENSC_STRUCT_IDX(STRUCT,ATTR)			\
+  ((char*)(&(STRUCT).ATTR) - (char*)(&(STRUCT)))
+#define ENSC_SAME_STRUCT_IDX(LHS,RHS,ATTR)			\
+  (ENSC_STRUCT_IDX(LHS,ATTR) == ENSC_STRUCT_IDX(RHS,ATTR))
+#define ENSC_SAME_STRUCT_ITEM(LHS,RHS,ATTR)	\
+  (ENSC_SAME_STRUCT_IDX(LHS,RHS,ATTR) &&	\
+   sizeof((LHS).ATTR)==sizeof((RHS).ATTR) &&	\
+   sizeof(LHS)==sizeof(RHS))
+
 #ifndef HAVE_VSERVER
 #ifdef ENSC_SYSCALL_TRADITIONAL
 inline static UNUSED ALWAYSINLINE