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util/list: Add list_foreach_entry_from_safe

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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>
This commit is contained in:
Caio Marcelo de Oliveira Filho
2019-09-16 18:21:06 -07:00
committed by Marge Bot
parent aeb95fda54
commit f40f8f623a
1 changed files with 7 additions and 0 deletions
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7
src/util/list.h
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@@ -241,6 +241,13 @@ static inline void list_validate(const struct list_head *list)
&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); \