-memcached_return memcachd_key_test(char **keys, size_t *key_length,
- unsigned int number_of_keys);
+LIBMEMCACHED_LOCAL
+memcached_return_t memcached_key_test(const char * const *keys,
+ const size_t *key_length,
+ size_t number_of_keys);
+
+
+LIBMEMCACHED_LOCAL
+uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length);
+
+LIBMEMCACHED_LOCAL
+memcached_return_t memcached_purge(memcached_server_st *ptr);
+
+static inline memcached_return_t memcached_validate_key_length(size_t key_length, bool binary)
+{
+ unlikely (key_length == 0)
+ return MEMCACHED_BAD_KEY_PROVIDED;
+
+ if (binary)
+ {
+ unlikely (key_length > 0xffff)
+ return MEMCACHED_BAD_KEY_PROVIDED;
+ }
+ else
+ {
+ unlikely (key_length >= MEMCACHED_MAX_KEY)
+ return MEMCACHED_BAD_KEY_PROVIDED;
+ }