1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_INTLIST_H
3 #define __PERF_INTLIST_H
5 #include <linux/rbtree.h>
11 struct rb_node rb_node;
20 struct intlist *intlist__new(const char *slist);
21 void intlist__delete(struct intlist *ilist);
23 void intlist__remove(struct intlist *ilist, struct int_node *in);
24 int intlist__add(struct intlist *ilist, int i);
26 struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx);
27 struct int_node *intlist__find(struct intlist *ilist, int i);
28 struct int_node *intlist__findnew(struct intlist *ilist, int i);
30 static inline bool intlist__has_entry(struct intlist *ilist, int i)
32 return intlist__find(ilist, i) != NULL;
35 static inline bool intlist__empty(const struct intlist *ilist)
37 return rblist__empty(&ilist->rblist);
40 static inline unsigned int intlist__nr_entries(const struct intlist *ilist)
42 return rblist__nr_entries(&ilist->rblist);
45 /* For intlist iteration */
46 static inline struct int_node *intlist__first(struct intlist *ilist)
48 struct rb_node *rn = rb_first(&ilist->rblist.entries);
49 return rn ? rb_entry(rn, struct int_node, rb_node) : NULL;
51 static inline struct int_node *intlist__next(struct int_node *in)
56 rn = rb_next(&in->rb_node);
57 return rn ? rb_entry(rn, struct int_node, rb_node) : NULL;
61 * intlist__for_each_entry - iterate over a intlist
62 * @pos: the &struct int_node to use as a loop cursor.
63 * @ilist: the &struct intlist for loop.
65 #define intlist__for_each_entry(pos, ilist) \
66 for (pos = intlist__first(ilist); pos; pos = intlist__next(pos))
69 * intlist__for_each_entry_safe - iterate over a intlist safe against removal of
71 * @pos: the &struct int_node to use as a loop cursor.
72 * @n: another &struct int_node to use as temporary storage.
73 * @ilist: the &struct intlist for loop.
75 #define intlist__for_each_entry_safe(pos, n, ilist) \
76 for (pos = intlist__first(ilist), n = intlist__next(pos); pos;\
77 pos = n, n = intlist__next(n))
78 #endif /* __PERF_INTLIST_H */