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-rw-r--r--lib/hash.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/hash.h b/lib/hash.h
index f32309d804..810faf9030 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -278,6 +278,17 @@ extern void hash_walk(struct hash *hash,
extern void hash_clean(struct hash *hash, void (*free_func)(void *));
/*
+ * Remove all elements from a hash table and free the table,
+ * setting the pointer to NULL.
+ *
+ * hash
+ * hash table to operate on
+ * free_func
+ * function to call with each removed item, intended to free the data
+ */
+extern void hash_clean_and_free(struct hash **hash, void (*free_func)(void *));
+
+/*
* Delete a hash table.
*
* This function assumes the table is empty. Call hash_clean to delete the