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author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-12-15 10:31:56 -0500 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-12-15 20:22:02 +0100 |
commit | abf5ef72477f9fb559a8a034fd6e6c397bb37e1f (patch) | |
tree | 3f69cabf0ee4d739af9421d00d15d511874b4c57 /tools/perf | |
parent | 3e3405906dab00afecd5a16871850a088eba4626 (diff) | |
download | kernel_samsung_tuna-abf5ef72477f9fb559a8a034fd6e6c397bb37e1f.zip kernel_samsung_tuna-abf5ef72477f9fb559a8a034fd6e6c397bb37e1f.tar.gz kernel_samsung_tuna-abf5ef72477f9fb559a8a034fd6e6c397bb37e1f.tar.bz2 |
perf tools: Add for_each macros for strlist
Add for_each iteration macros for strlist. This patch
introduces strlist__for_each() and strlist__for_each_safe(),
both are similar to list_for_each() and list_for_each_safe().
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091215153156.17436.49157.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
-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 59091c7..3ba8390 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) return self->nr_entries; } +/* For strlist iteration */ +static inline struct str_node *strlist__first(struct strlist *self) +{ + struct rb_node *rn = rb_first(&self->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 */ |