tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */