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linux-next/tools/perf/util/strlist.h
David Ahern ee8dd3ca43 perf tools: Change strlist to use the new rblist
Replaces the direct use of rbtree code with the rblist API. In the end
the patch is a no-op on strlist functionality; the API for strlist is
not changed, only its implementaton.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1343709095-7089-3-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-08-03 10:39:51 -03:00

80 lines
2.2 KiB
C

#ifndef __PERF_STRLIST_H
#define __PERF_STRLIST_H
#include <linux/rbtree.h>
#include <stdbool.h>
#include "rblist.h"
struct str_node {
struct rb_node rb_node;
const char *s;
};
struct strlist {
struct rblist rblist;
bool dupstr;
};
struct strlist *strlist__new(bool dupstr, const char *slist);
void strlist__delete(struct strlist *self);
void strlist__remove(struct strlist *self, struct str_node *sn);
int strlist__load(struct strlist *self, const char *filename);
int strlist__add(struct strlist *self, const char *str);
struct str_node *strlist__entry(const struct strlist *self, unsigned int idx);
struct str_node *strlist__find(struct strlist *self, const char *entry);
static inline bool strlist__has_entry(struct strlist *self, const char *entry)
{
return strlist__find(self, entry) != NULL;
}
static inline bool strlist__empty(const struct strlist *self)
{
return rblist__empty(&self->rblist);
}
static inline unsigned int strlist__nr_entries(const struct strlist *self)
{
return rblist__nr_entries(&self->rblist);
}
/* For strlist iteration */
static inline struct str_node *strlist__first(struct strlist *self)
{
struct rb_node *rn = rb_first(&self->rblist.entries);
return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
}
static inline struct str_node *strlist__next(struct str_node *sn)
{
struct rb_node *rn;
if (!sn)
return NULL;
rn = rb_next(&sn->rb_node);
return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
}
/**
* strlist_for_each - iterate over a strlist
* @pos: the &struct str_node to use as a loop cursor.
* @self: the &struct strlist for loop.
*/
#define strlist__for_each(pos, self) \
for (pos = strlist__first(self); pos; pos = strlist__next(pos))
/**
* strlist_for_each_safe - iterate over a strlist safe against removal of
* str_node
* @pos: the &struct str_node to use as a loop cursor.
* @n: another &struct str_node to use as temporary storage.
* @self: the &struct strlist for loop.
*/
#define strlist__for_each_safe(pos, n, self) \
for (pos = strlist__first(self), n = strlist__next(pos); pos;\
pos = n, n = strlist__next(n))
int strlist__parse_list(struct strlist *self, const char *s);
#endif /* __PERF_STRLIST_H */