1 files changed, 15 insertions, 4 deletions

diff --git a/openbsd-compat/sys-queue.h b/openbsd-compat/sys-queue.h
index 8ff19e452..c49a94650 100644
--- a/openbsd-compat/sys-queue.h
+++ b/openbsd-compat/sys-queue.h
@@ -1,6 +1,6 @@
 /* OPENBSD ORIGINAL: sys/sys/queue.h */
 
-/*      $OpenBSD: queue.h,v 1.23 2003/06/02 23:28:21 millert Exp $      */
+/*      $OpenBSD: queue.h,v 1.25 2004/04/08 16:08:21 henning Exp $      */
 /*      $NetBSD: queue.h,v 1.11 1996/05/16 05:17:14 mycroft Exp $       */
 
 /*
@@ -38,12 +38,13 @@
 #define _FAKE_QUEUE_H_
 
 /*
- * Ignore all <sys/queue.h> since older platforms have broken/incomplete
- * <sys/queue.h> that are too hard to work around.
+ * Require for OS/X and other platforms that have old/broken/incomplete
+ * <sys/queue.h>.
  */
 #undef SLIST_HEAD
 #undef SLIST_HEAD_INITIALIZER
 #undef SLIST_ENTRY
+#undef SLIST_FOREACH_PREVPTR
 #undef SLIST_FIRST
 #undef SLIST_END
 #undef SLIST_EMPTY
@@ -54,6 +55,7 @@
 #undef SLIST_INSERT_HEAD
 #undef SLIST_REMOVE_HEAD
 #undef SLIST_REMOVE
+#undef SLIST_REMOVE_NEXT
 #undef LIST_HEAD
 #undef LIST_HEAD_INITIALIZER
 #undef LIST_ENTRY
@@ -194,6 +196,11 @@ struct {								\
             (var) != SLIST_END(head);                                   \
             (var) = SLIST_NEXT(var, field))
 
+#define SLIST_FOREACH_PREVPTR(var, varp, head, field)                   \
+        for ((varp) = &SLIST_FIRST((head));                             \
+            ((var) = *(varp)) != SLIST_END(head);                       \
+            (varp) = &SLIST_NEXT((var), field))
+
 /*
  * Singly-linked List functions.
  */
@@ -211,6 +218,10 @@ struct {								\
         (head)->slh_first = (elm);                                      \
 } while (0)
 
+#define SLIST_REMOVE_NEXT(head, elm, field) do {                        \
+        (elm)->field.sle_next = (elm)->field.sle_next->field.sle_next;  \
+} while (0)
+
 #define SLIST_REMOVE_HEAD(head, field) do {                             \
         (head)->slh_first = (head)->slh_first->field.sle_next;          \
 } while (0)
@@ -400,7 +411,7 @@ struct {								\
             (var) != TAILQ_END(head);                                   \
             (var) = TAILQ_NEXT(var, field))
 
-#define TAILQ_FOREACH_REVERSE(var, head, field, headname)               \
+#define TAILQ_FOREACH_REVERSE(var, head, headname, field)               \
         for((var) = TAILQ_LAST(head, headname);                         \
             (var) != TAILQ_END(head);                                   \
             (var) = TAILQ_PREV(var, headname, field))