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[2/4] queue: Add macro for incremental traversal

Message ID 146859913112.13167.2665022603013407931.stgit@fimbulvetr.bsc.es (mailing list archive)
State New, archived
Headers show

Commit Message

Lluís Vilanova July 15, 2016, 4:12 p.m. UTC 
Adds macro QTAILQ_FOREACH_CONTINUE to support incremental list
traversal.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
---
 include/qemu/queue.h |    5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

diff --git a/include/qemu/queue.h b/include/qemu/queue.h
index f781aa2..c19f7ee 100644
--- a/include/qemu/queue.h
+++ b/include/qemu/queue.h
@@ -414,6 +414,11 @@  struct {                                                                \
                 (var);                                                  \
                 (var) = ((var)->field.tqe_next))
 
+#define QTAILQ_FOREACH_CONTINUE(var, field)                             \
+        for ((var) = ((var)->field.tqe_next);                           \
+                (var);                                                  \
+                (var) = ((var)->field.tqe_next))
+
 #define QTAILQ_FOREACH_SAFE(var, head, field, next_var)                 \
         for ((var) = ((head)->tqh_first);                               \
                 (var) && ((next_var) = ((var)->field.tqe_next), 1);     \