---
ptrlist.h | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/ptrlist.h b/ptrlist.h
index 0d17237f5..91019e7c5 100644
--- a/ptrlist.h
+++ b/ptrlist.h
@@ -111,13 +111,21 @@ static inline void *last_ptr_list(struct ptr_list *list)
return __PTR_STRIP_TAG(ptr_cur_entry(&cur));
}
+static inline void ptr_cur_init(struct ptr_cur *cur, struct ptr_list *head)
+{
+ cur->h = head;
+ cur->l = head;
+ cur->n = 0;
+}
+
+#define DO_INIT(cur, head) \
+ ptr_cur_init(&cur, (struct ptr_list *) head)
+
#define DO_PREPARE(head, ptr, __cur, PTR_ENTRY) \
do { \
struct ptr_cur __cur; \
- __cur.h = (struct ptr_list *) (head); \
- __cur.l = __cur.h; \
- __cur.n = 0; \
CHECK_TYPE(head,ptr); \
+ DO_INIT(__cur, head); \
if (__cur.h) ptr = PTR_ENTRY(__cur.h, 0); \
else ptr = NULL
@@ -162,9 +170,8 @@ static inline void *last_ptr_list(struct ptr_list *list)
#define DO_FOR_EACH(head, ptr, __cur, PTR_ENTRY) do { \
struct ptr_cur __cur; \
- __cur.h = (struct ptr_list *) (head); \
- __cur.l = __cur.h; \
CHECK_TYPE(head,ptr); \
+ DO_INIT(__cur, head); \
if (!__cur.h) break; \
do { \
for (__cur.n = 0; __cur.n < __cur.l->nr; __cur.n++) { \
@@ -177,9 +184,8 @@ static inline void *last_ptr_list(struct ptr_list *list)
#define DO_FOR_EACH_REVERSE(head, ptr, __cur, PTR_ENTRY) do { \
struct ptr_cur __cur; \
- __cur.h = (struct ptr_list *) (head); \
- __cur.l = __cur.h; \
CHECK_TYPE(head,ptr); \
+ DO_INIT(__cur, head); \
if (!__cur.h) break; \
do { \
__cur.l = __cur.l->prev; \
--
2.13.0
--
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