* the existing entry, or the empty slot if none existed. The caller
* can then look at the (*ptr) to see whether it existed or not.
*/
-static struct hash_table_entry *lookup_hash_entry(unsigned int hash, struct hash_table *table)
+static struct hash_table_entry *lookup_hash_entry(unsigned int hash, const struct hash_table *table)
{
unsigned int size = table->size, nr = hash % size;
struct hash_table_entry *array = table->array;
free(old_array);
}
-void *lookup_hash(unsigned int hash, struct hash_table *table)
+void *lookup_hash(unsigned int hash, const struct hash_table *table)
{
if (!table->array)
return NULL;
return insert_hash_entry(hash, ptr, table);
}
-int for_each_hash(struct hash_table *table, int (*fn)(void *))
+int for_each_hash(const struct hash_table *table, int (*fn)(void *, void *), void *data)
{
int sum = 0;
unsigned int i;
void *ptr = array->ptr;
array++;
if (ptr) {
- int val = fn(ptr);
+ int val = fn(ptr, data);
if (val < 0)
return val;
sum += val;