Our virObject code relies heavily on the fact that the first
member of the class struct is type of virObject (or some
derivation of if). Let's check for that.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/util/virobject.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/util/virobject.h b/src/util/virobject.h
index ed1a117b09..77ebad1e8b 100644
--- a/src/util/virobject.h
+++ b/src/util/virobject.h
@@ -76,7 +76,8 @@ virClassPtr virClassForObjectRWLockable(void);
# endif
# define VIR_CLASS_NEW(name, prnt) \
- (name##Class = virClassNew(prnt, #name, sizeof(name), name##Dispose))
+ verify_expr(offsetof(name, parent) == 0, \
+ (name##Class = virClassNew(prnt, #name, sizeof(name), name##Dispose)))
virClassPtr
virClassNew(virClassPtr parent,
--
2.16.1