[PATCH] Free the results of scandir()
Jani Nikula
jani at nikula.org
Mon Feb 6 14:21:21 PST 2012
On Mon, 6 Feb 2012 17:02:49 -0500, Ethan Glasser-Camp <glasse at cs.rpi.edu> wrote:
> From: Ethan Glasser-Camp <ethan at betacantrips.com>
>
> scandir() returns "strings allocated via malloc(3)" which are then
> "collected in array namelist which is allocated via
> malloc(3)". Currently we just free the array namelist. Instead, free
> all the entries of namelist, and then free namelist.
>
> entry only points to elements of namelist, so we don't free it
> separately.
> ---
>
> This should fix a minor memory leak in notmuch-new. Please confirm I'm
> reading the manpage correctly ;)
It looks right, good catch! Please do also fix the other scandir() usage
in count_files().
BR,
Jani.
>
> notmuch-new.c | 8 +++++---
> 1 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/notmuch-new.c b/notmuch-new.c
> index a569a54..c536873 100644
> --- a/notmuch-new.c
> +++ b/notmuch-new.c
> @@ -559,12 +559,14 @@ add_files_recursive (notmuch_database_t *notmuch,
> DONE:
> if (next)
> talloc_free (next);
> - if (entry)
> - free (entry);
> if (dir)
> closedir (dir);
> - if (fs_entries)
> + if (fs_entries){
> + for (i = 0; i < num_fs_entries; i++){
> + free (fs_entries[i]);
> + }
> free (fs_entries);
> + }
> if (db_subdirs)
> notmuch_filenames_destroy (db_subdirs);
> if (db_files)
> --
> 1.7.5.4
>
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