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