diff options
Diffstat (limited to 'source3/include/dlinklist.h')
| -rw-r--r-- | source3/include/dlinklist.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source3/include/dlinklist.h b/source3/include/dlinklist.h index 794aea7576..c856aaa762 100644 --- a/source3/include/dlinklist.h +++ b/source3/include/dlinklist.h @@ -70,6 +70,20 @@ } \ } +/* 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 top of the list, needs a tmp pointer */ #define DLIST_DEMOTE(list, p, tmp) \ { \ |