util/list: Add list_foreach_entry_from_safe
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5019>
diff --git a/src/util/list.h b/src/util/list.h
index 17800e4..d50eb1e 100644
--- a/src/util/list.h
+++ b/src/util/list.h
@@ -241,6 +241,13 @@
&pos->member != (head); \
pos = LIST_ENTRY(type, pos->member.next, member))
+#define list_for_each_entry_from_safe(type, pos, start, head, member) \
+ for (type *pos = LIST_ENTRY(type, (start), member), \
+ *__next = LIST_ENTRY(type, pos->member.next, member); \
+ &pos->member != (head); \
+ pos = __next, \
+ __next = LIST_ENTRY(type, __next->member.next, member))
+
#define list_for_each_entry_from_rev(type, pos, start, head, member) \
for (type *pos = LIST_ENTRY(type, (start), member); \
&pos->member != (head); \