diff options
Diffstat (limited to 'src/hashtable.c')
| -rw-r--r-- | src/hashtable.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/hashtable.c b/src/hashtable.c index dd6dbfc..e3f9b98 100644 --- a/src/hashtable.c +++ b/src/hashtable.c @@ -24,6 +24,9 @@ hashtable_t* hash_table_new(hash_func_t hash_func, compare_func_t compare_func, { hashtable_t* ht = (hashtable_t*)malloc(sizeof(hashtable_t)); int i; + if (!ht) { + return NULL; + } for (i = 0; i < 4096; i++) { ht->entries[i] = NULL; } @@ -55,9 +58,9 @@ void hash_table_destroy(hashtable_t *ht) free(ht); } -void hash_table_insert(hashtable_t* ht, void *key, void *value) +int hash_table_insert(hashtable_t* ht, void *key, void *value) { - if (!ht || !key) return; + if (!ht || !key) return -1; unsigned int hash = ht->hash_func(key); @@ -69,7 +72,7 @@ void hash_table_insert(hashtable_t* ht, void *key, void *value) if (ht->compare_func(e->key, key)) { // element already present. replace value. e->value = value; - return; + return 0; } e = e->next; } @@ -78,6 +81,9 @@ void hash_table_insert(hashtable_t* ht, void *key, void *value) // make a new entry. hashentry_t* entry = (hashentry_t*)malloc(sizeof(hashentry_t)); + if (!entry) { + return -1; + } entry->key = key; entry->value = value; if (!ht->entries[idx0]) { @@ -89,6 +95,7 @@ void hash_table_insert(hashtable_t* ht, void *key, void *value) } ht->entries[idx0] = entry; ht->count++; + return 0; } void* hash_table_lookup(hashtable_t* ht, void *key) |