Add LIST_FOREACH_SAFE() definition

Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-09-01 02:12:32 +02:00 · 2009-09-01 02:12:32 +02:00 · bb150dc82f
parent 8718e999b3
commit bb150dc82f
1 changed files with 5 additions and 0 deletions
--- a/sys-queue.h
+++ b/sys-queue.h
@ -126,6 +126,11 @@ struct {                                                                \
                (var);                                                  \
                (var) = ((var)->field.le_next))

+#define LIST_FOREACH_SAFE(var, head, field, next_var)                   \
+        for ((var) = ((head)->lh_first);                                \
+                (var) && ((next_var) = ((var)->field.le_next), 1);      \
+                (var) = (next_var))
+
 /*
 * List access methods.
 */