ldb: avoid tautological compare errors in DLIST_ADD_END

diff --git a/lib/ldb/include/dlinklist.h b/lib/ldb/include/dlinklist.h
index ef01aec9f1c5591a32deda00a6142dcb8f441709..ebaa3685d746aa06ef0548ad62cdc5b0125c88dd 100644 (file)
--- a/lib/ldb/include/dlinklist.h
+++ b/lib/ldb/include/dlinklist.h
@@ -136,8 +136,14 @@ do { \
 do { \
        if (!(list)) { \
                DLIST_ADD(list, p); \
+       } else if (!((list)->prev)) { \
+               DLIST_ADD(list, p); \
        } else { \
-               DLIST_ADD_AFTER(list, p, (list)->prev); \
+               (p)->prev = (list)->prev; \
+               (p)->next = (list)->prev->next; \
+               (list)->prev->next = (p); \
+               if ((p)->next) (p)->next->prev = (p); \
+               (list)->prev = (p); \
        } \
 } while (0)