mirror of https://gitee.com/openkylin/linux.git
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_STRLIST_H
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#define __PERF_STRLIST_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 str_node {
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struct rb_node rb_node;
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const char *s;
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};
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struct strlist {
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struct rblist rblist;
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bool dupstr;
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bool file_only;
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};
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/*
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* @file_only: When dirname is present, only consider entries as filenames,
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* that should not be added to the list if dirname/entry is not
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* found
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*/
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struct strlist_config {
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bool dont_dupstr;
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bool file_only;
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const char *dirname;
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};
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struct strlist *strlist__new(const char *slist, const struct strlist_config *config);
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void strlist__delete(struct strlist *slist);
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void strlist__remove(struct strlist *slist, struct str_node *sn);
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int strlist__load(struct strlist *slist, const char *filename);
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int strlist__add(struct strlist *slist, const char *str);
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struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx);
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struct str_node *strlist__find(struct strlist *slist, const char *entry);
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static inline bool strlist__has_entry(struct strlist *slist, const char *entry)
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{
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return strlist__find(slist, entry) != NULL;
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}
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static inline bool strlist__empty(const struct strlist *slist)
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{
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return rblist__empty(&slist->rblist);
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}
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static inline unsigned int strlist__nr_entries(const struct strlist *slist)
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{
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return rblist__nr_entries(&slist->rblist);
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}
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/* For strlist iteration */
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static inline struct str_node *strlist__first(struct strlist *slist)
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{
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struct rb_node *rn = rb_first_cached(&slist->rblist.entries);
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return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
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}
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static inline struct str_node *strlist__next(struct str_node *sn)
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{
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struct rb_node *rn;
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if (!sn)
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return NULL;
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rn = rb_next(&sn->rb_node);
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return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
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}
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/**
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* strlist_for_each - iterate over a strlist
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* @pos: the &struct str_node to use as a loop cursor.
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* @slist: the &struct strlist for loop.
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*/
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#define strlist__for_each_entry(pos, slist) \
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for (pos = strlist__first(slist); pos; pos = strlist__next(pos))
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/**
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* strlist_for_each_safe - iterate over a strlist safe against removal of
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* str_node
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* @pos: the &struct str_node to use as a loop cursor.
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* @n: another &struct str_node to use as temporary storage.
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* @slist: the &struct strlist for loop.
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*/
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#define strlist__for_each_entry_safe(pos, n, slist) \
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for (pos = strlist__first(slist), n = strlist__next(pos); pos;\
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pos = n, n = strlist__next(n))
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#endif /* __PERF_STRLIST_H */
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