diff options
Diffstat (limited to 'core/module-list.c')
| -rw-r--r-- | core/module-list.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/core/module-list.c b/core/module-list.c index 0d53c60..3b9ca38 100644 --- a/core/module-list.c +++ b/core/module-list.c @@ -1147,7 +1147,8 @@ bool pure_list_lookup(const PureList *list, unsigned key_field, PureCell key, un size_t pure_list_count(const PureList *list) { return list->count; } PureList *pure_list_share(PureList *list, PureRetired *retired, uint64_t epoch) { - if (!make_tree(list)) return NULL; /* a copy reads a tree */ + /* A copy reads a tree; an empty list (an event's, between events) stays as it is. */ + if (list->count && !make_tree(list)) return NULL; PureList *copy = malloc(sizeof(*copy)); if (!copy) return NULL; *copy = (PureList){.layout = list->layout, .root = list->root, .count = list->count, .bytes = list->bytes, |