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Diffstat (limited to 'Documentation/technical/api-hashmap.txt')
| -rw-r--r-- | Documentation/technical/api-hashmap.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/technical/api-hashmap.txt b/Documentation/technical/api-hashmap.txt index ad7a5bddd2..a3f020cd9e 100644 --- a/Documentation/technical/api-hashmap.txt +++ b/Documentation/technical/api-hashmap.txt @@ -104,6 +104,11 @@ If `free_entries` is true, each hashmap_entry in the map is freed as well `entry` points to the entry to initialize. + `hash` is the hash code of the entry. ++ +The hashmap_entry structure does not hold references to external resources, +and it is safe to just discard it once you are done with it (i.e. if +your structure was allocated with xmalloc(), you can just free(3) it, +and if it is on stack, you can just let it go out of scope). `void *hashmap_get(const struct hashmap *map, const void *key, const void *keydata)`:: @@ -183,7 +188,9 @@ Returns the removed entry, or NULL if not found. `void *hashmap_iter_next(struct hashmap_iter *iter)`:: `void *hashmap_iter_first(struct hashmap *map, struct hashmap_iter *iter)`:: - Used to iterate over all entries of a hashmap. + Used to iterate over all entries of a hashmap. Note that it is + not safe to add or remove entries to the hashmap while + iterating. + `hashmap_iter_init` initializes a `hashmap_iter` structure. + |