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-rw-r--r--libidu/hash.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libidu/hash.h b/libidu/hash.h
index 5661893..aa20f0d 100644
--- a/libidu/hash.h
+++ b/libidu/hash.h
@@ -31,6 +31,7 @@ struct hash_table
unsigned long ht_size; /* total number of slots (power of 2) */
unsigned long ht_capacity; /* usable slots, limited by loading-factor */
unsigned long ht_fill; /* items in table */
+ unsigned long ht_empty_slots; /* empty slots not including deleted slots */
unsigned long ht_collisions; /* # of failed calls to comparison function */
unsigned long ht_lookups; /* # of queries */
unsigned int ht_rehashes; /* # of times we've expanded table */