diff options
Diffstat (limited to 'hashmap.h')
| -rw-r--r-- | hashmap.h | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -235,7 +235,8 @@ void hashmap_init(struct hashmap *map, const void *equals_function_data, size_t initial_size); -/* internal function for freeing hashmap */ +/* internal functions for clearing or freeing hashmap */ +void hashmap_partial_clear_(struct hashmap *map, ssize_t offset); void hashmap_free_(struct hashmap *map, ssize_t offset); /* @@ -269,6 +270,16 @@ void hashmap_free_(struct hashmap *map, ssize_t offset); #define hashmap_free(map) hashmap_free_(map, -1) /* + * Basically the same as calling hashmap_free() followed by hashmap_init(), + * but doesn't incur the overhead of deallocating and reallocating + * map->table; it leaves map->table allocated and the same size but zeroes + * it out so it's ready for use again as an empty map. As with + * hashmap_free(), you may need to free the entries yourself before calling + * this function. + */ +#define hashmap_partial_clear(map) hashmap_partial_clear_(map, -1) + +/* * Frees @map and all entries. @type is the struct type of the entry * where @member is the hashmap_entry struct used to associate with @map. * |