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list.h: add a few missing iterator macros

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-08-19 08:47:04 +02:00
parent b14c468861
commit d716ac4bc4
1 changed files with 12 additions and 0 deletions
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12
list.h
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@ -112,6 +112,8 @@ list_del_init(struct list_head *entry)
#define list_entry(ptr, type, field) container_of(ptr, type, field) #define list_entry(ptr, type, field) container_of(ptr, type, field)
#define list_first_entry(ptr, type, field) list_entry((ptr)->next, type, field) #define list_first_entry(ptr, type, field) list_entry((ptr)->next, type, field)
#define list_last_entry(ptr, type, field) list_entry((ptr)->prev, type, field) #define list_last_entry(ptr, type, field) list_entry((ptr)->prev, type, field)
#define list_next_entry(pos, member) list_entry((pos)->member.next, typeof(*(pos)), member)
#define list_entry_is_h(p, h, field) (&p->field == (h))
#define list_for_each(p, head) \ #define list_for_each(p, head) \
for (p = (head)->next; p != (head); p = p->next) for (p = (head)->next; p != (head); p = p->next)
@ -123,6 +125,16 @@ list_del_init(struct list_head *entry)
for (p = list_first_entry(h, __typeof__(*p), field); &p->field != (h); \ for (p = list_first_entry(h, __typeof__(*p), field); &p->field != (h); \
p = list_entry(p->field.next, __typeof__(*p), field)) p = list_entry(p->field.next, __typeof__(*p), field))
#define list_for_each_entry_continue(p, h, field) \
for (p = list_next_entry(p, field); \
!list_entry_is_h(p, h, field); \
p = list_next_entry(p, field))
#define list_for_each_entry_continue_reverse(p, h, field) \
for (p = list_prev_entry(p, field); \
!list_entry_is_h(p, h, field); \
p = list_prev_entry(p, field))
#define list_for_each_entry_safe(p, n, h, field) \ #define list_for_each_entry_safe(p, n, h, field) \
for (p = list_first_entry(h, __typeof__(*p), field), \ for (p = list_first_entry(h, __typeof__(*p), field), \
n = list_entry(p->field.next, __typeof__(*p), field); &p->field != (h);\ n = list_entry(p->field.next, __typeof__(*p), field); &p->field != (h);\