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 <[email protected]> --- src/util/virobject.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/util/virobject.h b/src/util/virobject.h index 128d3ba2d2..e174c17eb8 100644 --- a/src/util/virobject.h +++ b/src/util/virobject.h @@ -76,10 +76,12 @@ virClassPtr virClassForObjectRWLockable(void); # endif # define VIR_CLASS_NEW(prnt, name) \ + verify(offsetof(name, parent) == 0); \ if (!(name##Class = virClassNew(prnt, #name, sizeof(name), name##Dispose))) \ return -1; # define VIR_CLASS_NEW_GOTO(prnt, name, label) \ + verify(offsetof(name, parent) == 0); \ if (!(name##Class = virClassNew(prnt, #name, sizeof(name), name##Dispose))) \ goto label; -- 2.16.1 -- libvir-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/libvir-list
