X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flist.h;h=3cf18f15473b74ffdc94499f3da2d5a5990bf800;hp=9380f362f1e1c7f1acf7f59640514b843fceca1f;hb=e04aad61bb5eff117e51631727a3ef2807c75d6b;hpb=03467c88fba6caeffce2a57a31ee2344e3d3ba31

diff --git a/src/list.h b/src/list.h
index 9380f362f..3cf18f154 100644
--- a/src/list.h
+++ b/src/list.h
@@ -77,7 +77,7 @@
         do {                                                            \
                 t *_item = (item);                                      \
                 assert(_item);                                          \
-                while ((_item->name##_prev)                             \
+                while (_item->name##_prev)                              \
                        _item = _item->name##_prev;                      \
                 (head) = _item;                                         \
         } while (false)
@@ -116,4 +116,10 @@
 #define LIST_FOREACH_SAFE(name,i,n,head)                                \
         for ((i) = (head); (i) && (((n) = (i)->name##_next), 1); (i) = (n))
 
+#define LIST_FOREACH_BEFORE(name,i,p)                                   \
+        for ((i) = (p)->name##_prev; (i); (i) = (i)->name##_prev)
+
+#define LIST_FOREACH_AFTER(name,i,p)                                    \
+        for ((i) = (p)->name##_next; (i); (i) = (i)->name##_next)
+
 #endif