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list.h: add a few missing iterator macros
author
Felix Fietkau
<nbd@nbd.name>
Thu, 19 Aug 2021 06:47:04 +0000
(08:47 +0200)
committer
Felix Fietkau
<nbd@nbd.name>
Thu, 19 Aug 2021 06:56:59 +0000
(08:56 +0200)
Signed-off-by: Felix Fietkau <nbd@nbd.name>
list.h
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diff --git
a/list.h
b/list.h
index 8e61e473382a2de62d9d377c637613ba8e4e5c07..a2cb24168a951ea76e094df473f6a31623169432 100644
(file)
--- a/
list.h
+++ b/
list.h
@@
-112,6
+112,8
@@
list_del_init(struct list_head *entry)
#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_last_entry(ptr, type, field) list_entry((ptr)->prev, 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_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) \
for (p = (head)->next; p != (head); p = p->next)
#define list_for_each(p, head) \
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); \
p = list_entry(p->field.next, __typeof__(*p), field))
for (p = list_first_entry(h, __typeof__(*p), field); &p->field != (h); \
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) \
for (p = list_first_entry(h, __typeof__(*p), field), \
n = list_entry(p->field.next, __typeof__(*p), field); &p->field != (h);\
#define list_for_each_entry_safe(p, n, h, field) \
for (p = list_first_entry(h, __typeof__(*p), field), \
n = list_entry(p->field.next, __typeof__(*p), field); &p->field != (h);\