diff options
Diffstat (limited to 'src/or/conscache.c')
| -rw-r--r-- | src/or/conscache.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/or/conscache.c b/src/or/conscache.c index 7760d1315b..5ffa129bbe 100644 --- a/src/or/conscache.c +++ b/src/or/conscache.c @@ -400,6 +400,19 @@ consensus_cache_unmap_lazy(consensus_cache_t *cache, time_t cutoff) } /** + * Return the number of currently unused filenames available in this cache. + */ +int +consensus_cache_get_n_filenames_available(consensus_cache_t *cache) +{ + tor_assert(cache); + int max = storage_dir_get_max_files(cache->dir); + int used = smartlist_len(storage_dir_list(cache->dir)); + tor_assert_nonfatal(max >= used); + return max - used; +} + +/** * Delete every element of <b>cache</b> has been marked with * consensus_cache_entry_mark_for_removal. If <b>force</b> is false, * retain those entries which are not in use except by the cache. |