diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/util/strlist.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h index 59091c77eef2..3ba839007d2c 100644 --- a/tools/perf/util/strlist.h +++ b/tools/perf/util/strlist.h | |||
@@ -40,5 +40,39 @@ static inline unsigned int strlist__nr_entries(const struct strlist *self) | |||
40 | return self->nr_entries; | 40 | return self->nr_entries; |
41 | } | 41 | } |
42 | 42 | ||
43 | /* For strlist iteration */ | ||
44 | static inline struct str_node *strlist__first(struct strlist *self) | ||
45 | { | ||
46 | struct rb_node *rn = rb_first(&self->entries); | ||
47 | return rn ? rb_entry(rn, struct str_node, rb_node) : NULL; | ||
48 | } | ||
49 | static inline struct str_node *strlist__next(struct str_node *sn) | ||
50 | { | ||
51 | struct rb_node *rn; | ||
52 | if (!sn) | ||
53 | return NULL; | ||
54 | rn = rb_next(&sn->rb_node); | ||
55 | return rn ? rb_entry(rn, struct str_node, rb_node) : NULL; | ||
56 | } | ||
57 | |||
58 | /** | ||
59 | * strlist_for_each - iterate over a strlist | ||
60 | * @pos: the &struct str_node to use as a loop cursor. | ||
61 | * @self: the &struct strlist for loop. | ||
62 | */ | ||
63 | #define strlist__for_each(pos, self) \ | ||
64 | for (pos = strlist__first(self); pos; pos = strlist__next(pos)) | ||
65 | |||
66 | /** | ||
67 | * strlist_for_each_safe - iterate over a strlist safe against removal of | ||
68 | * str_node | ||
69 | * @pos: the &struct str_node to use as a loop cursor. | ||
70 | * @n: another &struct str_node to use as temporary storage. | ||
71 | * @self: the &struct strlist for loop. | ||
72 | */ | ||
73 | #define strlist__for_each_safe(pos, n, self) \ | ||
74 | for (pos = strlist__first(self), n = strlist__next(pos); pos;\ | ||
75 | pos = n, n = strlist__next(n)) | ||
76 | |||
43 | int strlist__parse_list(struct strlist *self, const char *s); | 77 | int strlist__parse_list(struct strlist *self, const char *s); |
44 | #endif /* __PERF_STRLIST_H */ | 78 | #endif /* __PERF_STRLIST_H */ |