diff options
Diffstat (limited to 'source4/lib/ldb/include')
| -rw-r--r-- | source4/lib/ldb/include/dlinklist.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source4/lib/ldb/include/dlinklist.h b/source4/lib/ldb/include/dlinklist.h index a39007375f..176c138aaf 100644 --- a/source4/lib/ldb/include/dlinklist.h +++ b/source4/lib/ldb/include/dlinklist.h @@ -71,6 +71,20 @@ do { \ } \ } while (0) +/* insert 'p' after the given element 'el' in a list. If el is NULL then + this is the same as a DLIST_ADD() */ +#define DLIST_ADD_AFTER(list, p, el) \ +do { \ + if (!(list) || !(el)) { \ + DLIST_ADD(list, p); \ + } else { \ + p->prev = el; \ + p->next = el->next; \ + el->next = p; \ + if (p->next) p->next->prev = p; \ + }\ +} while (0) + /* demote an element to the end of the list, needs a tmp pointer */ #define DLIST_DEMOTE(list, p, tmp) \ do { \ |