diff options
Diffstat (limited to 'analyzer/structures/hashmap.c')
| -rw-r--r-- | analyzer/structures/hashmap.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/analyzer/structures/hashmap.c b/analyzer/structures/hashmap.c index 53fd5fc..0ef2ade 100644 --- a/analyzer/structures/hashmap.c +++ b/analyzer/structures/hashmap.c @@ -8,7 +8,7 @@ HashMap *hashmap_new( size_t key_size, size_t val_size, - size_t (*hash)(void *key), + uint32_t (*hash)(void *key), int (*compare)(void *key1, void *key2), void (*key_cleanup)(void *key), void (*val_cleanup)(void *val) @@ -26,7 +26,7 @@ HashMap *hashmap_new( } void hashmap_put(HashMap *map, void *key, void *val) { - size_t key_hash = map->hash(key); + size_t key_hash = map->hash(key) % HASHMAP_TABLE_SIZE; HashMapNode *node = map->table[key_hash]; // check if it exists @@ -56,7 +56,7 @@ void hashmap_put(HashMap *map, void *key, void *val) { } void *hashmap_get(HashMap *map, void *key) { - size_t key_hash = map->hash(key); + size_t key_hash = map->hash(key) % HASHMAP_TABLE_SIZE; HashMapNode *node = map->table[key_hash]; // check if it exists @@ -85,7 +85,7 @@ void free_node_without_next(HashMap *map, HashMapNode *node) { } void hashmap_delete(HashMap *map, void *key) { - size_t key_hash = map->hash(key); + size_t key_hash = map->hash(key) % HASHMAP_TABLE_SIZE; HashMapNode **p_node = &map->table[key_hash]; // check if it exists @@ -114,3 +114,21 @@ void hashmap_free(HashMap *map) { } free(map); } + +// FNV hash +uint32_t hash_str(void *str) { + char *s = str; + uint32_t hash = 2166136261; + while (*s) { + hash ^= (unsigned char)*s; + hash *= 16777619; + s++; + } + return hash; +} + +int compare_strs(void *str1, void *str2) { + char *s1 = str1; + char *s2 = str2; + return !strcmp(s1, s2); +} |
