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 9 struct str_node { 10 struct rb_node rb_node; 11 const char *s; 12 }; 13 14 struct strlist { 15 struct rblist rblist; 16 bool dupstr; 17 }; 18 19 struct strlist_config { 20 bool dont_dupstr; 21 const char *dirname; 22 }; 23 24 struct strlist *strlist__new(const char *slist, const struct strlist_config *config); 25 void strlist__delete(struct strlist *slist); 26 27 void strlist__remove(struct strlist *slist, struct str_node *sn); 28 int strlist__load(struct strlist *slist, const char *filename); 29 int strlist__add(struct strlist *slist, const char *str); 30 31 struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx); 32 struct str_node *strlist__find(struct strlist *slist, const char *entry); 33 34 static inline bool strlist__has_entry(struct strlist *slist, const char *entry) 35 { 36 return strlist__find(slist, entry) != NULL; 37 } 38 39 static inline bool strlist__empty(const struct strlist *slist) 40 { 41 return rblist__empty(&slist->rblist); 42 } 43 44 static inline unsigned int strlist__nr_entries(const struct strlist *slist) 45 { 46 return rblist__nr_entries(&slist->rblist); 47 } 48 49 /* For strlist iteration */ 50 static 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 } 55 static 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