1#ifndef __PERF_STRLIST_H 2#define __PERF_STRLIST_H 3 4#include <linux/rbtree.h> 5#include <stdbool.h> 6 7#include "rblist.h" 8 9struct str_node { 10 struct rb_node rb_node; 11 const char *s; 12}; 13 14struct strlist { 15 struct rblist rblist; 16 bool dupstr; 17}; 18 19struct strlist_config { 20 bool dont_dupstr; 21 const char *dirname; 22}; 23 24struct strlist *strlist__new(const char *slist, const struct strlist_config *config); 25void strlist__delete(struct strlist *slist); 26 27void strlist__remove(struct strlist *slist, struct str_node *sn); 28int strlist__load(struct strlist *slist, const char *filename); 29int strlist__add(struct strlist *slist, const char *str); 30 31struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx); 32struct str_node *strlist__find(struct strlist *slist, const char *entry); 33 34static inline bool strlist__has_entry(struct strlist *slist, const char *entry) 35{ 36 return strlist__find(slist, entry) != NULL; 37} 38 39static inline bool strlist__empty(const struct strlist *slist) 40{ 41 return rblist__empty(&slist->rblist); 42} 43 44static inline unsigned int strlist__nr_entries(const struct strlist *slist) 45{ 46 return rblist__nr_entries(&slist->rblist); 47} 48 49/* For strlist iteration */ 50static inline struct str_node *strlist__first(struct strlist *slist) 51{ 52 struct rb_node *rn = rb_first(&slist->rblist.entries); 53 return rn ? rb_entry(rn, struct str_node, rb_node) : NULL; 54} 55static inline struct str_node *strlist__next(struct str_node *sn) 56{ 57 struct rb_node *rn; 58 if (!sn) 59 return NULL; 60 rn = rb_next(&sn->rb_node); 61 return rn ? rb_entry(rn, struct str_node, rb_node) : NULL; 62} 63 64/** 65 * strlist_for_each - iterate over a strlist 66 * @pos: the &struct str_node to use as a loop cursor. 67 * @slist: the &struct strlist for loop. 68 */ 69#define strlist__for_each(pos, slist) \ 70 for (pos = strlist__first(slist); pos; pos = strlist__next(pos)) 71 72/** 73 * strlist_for_each_safe - iterate over a strlist safe against removal of 74 * str_node 75 * @pos: the &struct str_node to use as a loop cursor. 76 * @n: another &struct str_node to use as temporary storage. 77 * @slist: the &struct strlist for loop. 78 */ 79#define strlist__for_each_safe(pos, n, slist) \ 80 for (pos = strlist__first(slist), n = strlist__next(pos); pos;\ 81 pos = n, n = strlist__next(n)) 82#endif /* __PERF_STRLIST_H */ 83