[PATCH perf/core v5 03/15] perf-buildid-cache: Use lsdir for looking up buildid caches

Masami Hiramatsu
2016-04-27T18:37:40Z

From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>

Use new lsdir() for looking up buildid caches. This changes
logic a bit to ignore all dot files, since the build-id
cache must not start with dot.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
tools/perf/util/build-id.c | 30 +++++-------------------------
1 file changed, 5 insertions(+), 25 deletions(-)

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index b035483..848e05f 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -400,38 +400,18 @@ int build_id_cache__list_build_ids(const char *pathname,
{
struct strlist *list;
char *dir_name;
- DIR *dir;
- struct dirent *d;
int ret = 0;

- list = strlist__new(NULL, NULL);
dir_name = build_id_cache__dirname_from_path(pathname, false, false,
NULL);
- if (!list || !dir_name) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!dir_name)
+ return -ENOMEM;

- /* List up all dirents */
- dir = opendir(dir_name);
- if (!dir) {
+ list = lsdir(dir_name, lsdir_no_dot_filter);
+ if (!list)
ret = -errno;
- goto out;
- }
-
- while ((d = readdir(dir)) != NULL) {
- if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
- continue;
- strlist__add(list, d->d_name);
- }
- closedir(dir);
-
-out:
+ *result = list;
free(dir_name);
- if (ret)
- strlist__delete(list);
- else
- *result = list;

return ret;
}