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list_next

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This commit is contained in:
Alasdair Kergon 2003-05-06 12:01:13 +00:00
parent 9019ed2e77
commit 9a5e05a406
2 changed files with 10 additions and 0 deletions
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5
lib/datastruct/list.h
View File

@ -56,6 +56,11 @@ static inline int list_end(struct list *head, struct list *elem)
return elem->n == head;
}
static inline struct list *list_next(struct list *head, struct list *elem)
{
return (list_end(head, elem) ? NULL : elem->n);
}
#define list_iterate(v, head) \
for (v = (head)->n; v != head; v = v->n)

5
libdm/datastruct/list.h
View File

@ -56,6 +56,11 @@ static inline int list_end(struct list *head, struct list *elem)
return elem->n == head;
}
static inline struct list *list_next(struct list *head, struct list *elem)
{
return (list_end(head, elem) ? NULL : elem->n);
}
#define list_iterate(v, head) \
for (v = (head)->n; v != head; v = v->n)