Re: [RFC PATCH perf/core v3 05/17] perf-buildid-cache: Use lsdir for looking up buildid caches

[Arnaldo Carvalho de Melo]

Em Sat, Aug 15, 2015 at 08:43:04PM +0900, Masami Hiramatsu escreveu:
> 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.

It is not applying to my perf/core branch, please check.

This is after I applied that list_dir() helper.

- Arnaldo
 
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
> ---
>  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 b639cad..e9ef98e 100644
> --- a/tools/perf/util/build-id.c
> +++ b/tools/perf/util/build-id.c
> @@ -342,38 +342,18 @@ 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;
>  }
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