To be used in an upcoming commit.
Signed-off-by: Ben Pfaff <[email protected]>
---
lib/list.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/lib/list.h b/lib/list.h
index 7ba1e35..c1b0891 100644
--- a/lib/list.h
+++ b/lib/list.h
@@ -23,6 +23,11 @@
#include "util.h"
#include "openvswitch/list.h"
+/* Initializer for a list with pointers that will (probably) cause segfaults if
+ * dereferenced and, better yet, show up clearly in a debugger. */
+#define OVS_LIST_POISON { (void *) (uintptr_t) 0xccccccccccccccccULL, \
+ (void *) (uintptr_t) 0xccccccccccccccccULL }
+
static inline void list_init(struct ovs_list *);
static inline void list_poison(struct ovs_list *);
@@ -91,7 +96,7 @@ list_init(struct ovs_list *list)
static inline void
list_poison(struct ovs_list *list)
{
- memset(list, 0xcc, sizeof *list);
+ *list = (struct ovs_list) OVS_LIST_POISON;
}
/* Inserts 'elem' just before 'before'. */
--
2.1.3
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