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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_INTLIST_H
#define __PERF_INTLIST_H
#include <linux/rbtree.h>
#include <stdbool.h>
#include "rblist.h"
struct int_node {
struct rb_node rb_node;
int i;
void *priv;
};
struct intlist {
struct rblist rblist;
};
struct intlist *intlist__new(const char *slist);
void intlist__delete(struct intlist *ilist);
void intlist__remove(struct intlist *ilist, struct int_node *in);
int intlist__add(struct intlist *ilist, int i);
struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx);
struct int_node *intlist__find(struct intlist *ilist, int i);
struct int_node *intlist__findnew(struct intlist *ilist, int i);
static inline bool intlist__has_entry(struct intlist *ilist, int i)
{
return intlist__find(ilist, i) != NULL;
}
static inline bool intlist__empty(const struct intlist *ilist)
{
return rblist__empty(&ilist->rblist);
}
static inline unsigned int intlist__nr_entries(const struct intlist *ilist)
{
return rblist__nr_entries(&ilist->rblist);
}
/* For intlist iteration */
static inline struct int_node *intlist__first(struct intlist *ilist)
{
struct rb_node *rn = rb_first_cached(&ilist->rblist.entries);
return rn ? rb_entry(rn, struct int_node, rb_node) : NULL;
}
static inline struct int_node *intlist__next(struct int_node *in)
{
struct rb_node *rn;
if (!in)
return NULL;
rn = rb_next(&in->rb_node);
return rn ? rb_entry(rn, struct int_node, rb_node) : NULL;
}
/**
* intlist__for_each_entry - iterate over a intlist
* @pos: the &struct int_node to use as a loop cursor.
* @ilist: the &struct intlist for loop.
*/
#define intlist__for_each_entry(pos, ilist) \
for (pos = intlist__first(ilist); pos; pos = intlist__next(pos))
/**
* intlist__for_each_entry_safe - iterate over a intlist safe against removal of
* int_node
* @pos: the &struct int_node to use as a loop cursor.
* @n: another &struct int_node to use as temporary storage.
* @ilist: the &struct intlist for loop.
*/
#define intlist__for_each_entry_safe(pos, n, ilist) \
for (pos = intlist__first(ilist), n = intlist__next(pos); pos;\
pos = n, n = intlist__next(n))
#endif /* __PERF_INTLIST_H */
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