1 files changed, 5 insertions, 4 deletions
diff --git a/src/common/util.c b/src/common/util.c
index 069e879d00..2a688316b6 100644
--- a/src/common/util.c
+++ b/src/common/util.c
@@ -117,10 +117,11 @@ void set_uint32(char *cp, uint32_t v)
  * _add() adds an element, _remove() removes an element if it's there,
  * _choose() returns a random element.
  */
-smartlist_t *smartlist_create(int capacity) {
+#define SMARTLIST_DEFAULT_CAPACITY 32
+smartlist_t *smartlist_create() {
   smartlist_t *sl = tor_malloc(sizeof(smartlist_t));
   sl->num_used = 0;
-  sl->capacity = capacity;
+  sl->capacity = SMARTLIST_DEFAULT_CAPACITY;
   sl->list = tor_malloc(sizeof(void *) * sl->capacity);
   return sl;
 }
@@ -130,8 +131,8 @@ void smartlist_free(smartlist_t *sl) {
   free(sl);
 }
 
-void smartlist_grow_capacity(smartlist_t *sl, int n) {
-  if (sl->capacity < n) {
+void smartlist_set_capacity(smartlist_t *sl, int n) {
+  if (sl->capacity != n && sl->num_used < n) {
     sl->capacity = n;
     sl->list = tor_realloc(sl->list, sizeof(void*)*sl->capacity);
   }