Add TAILQ iterator that allows to safely remove elements while walking
the list.
Signed-off-by: Jan Kiszka <[EMAIL PROTECTED]>
---
qemu/sys-queue.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/qemu/sys-queue.h b/qemu/sys-queue.h
index 3d0773e..ad5c8fb 100644
--- a/qemu/sys-queue.h
+++ b/qemu/sys-queue.h
@@ -210,6 +210,11 @@ struct {
\
(var); \
(var) = ((var)->field.tqe_next))
+#define TAILQ_FOREACH_SAFE(var, head, field, next_var) \
+ for ((var) = ((head)->tqh_first); \
+ (var) && ((next_var) = ((var)->field.tqe_next), 1); \
+ (var) = (next_var))
+
#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
for ((var) = (*(((struct headname *)((head)->tqh_last))->tqh_last));
\
(var); \
--
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