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Diffstat (limited to 'hashmap.c')
-rw-r--r--hashmap.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/hashmap.c b/hashmap.c
index 1b60f97..65b447f 100644
--- a/hashmap.c
+++ b/hashmap.c
@@ -171,16 +171,21 @@ void hashmap_init(struct hashmap *map, hashmap_cmp_fn equals_function,
map->do_count_items = 1;
}
-void hashmap_free(struct hashmap *map, int free_entries)
+void hashmap_free_(struct hashmap *map, ssize_t entry_offset)
{
if (!map || !map->table)
return;
- if (free_entries) {
+ if (entry_offset >= 0) { /* called by hashmap_free_entries */
struct hashmap_iter iter;
struct hashmap_entry *e;
+
hashmap_iter_init(map, &iter);
while ((e = hashmap_iter_next(&iter)))
- free(e);
+ /*
+ * like container_of, but using caller-calculated
+ * offset (caller being hashmap_free_entries)
+ */
+ free((char *)e - entry_offset);
}
free(map->table);
memset(map, 0, sizeof(*map));