+memcached_return set_prefix(memcached_st *memc)
+{
+ memcached_return rc;
+ const char *key= "mine";
+ char *value;
+
+ /* Make sure be default none exists */
+ value= memcached_callback_get(memc, MEMCACHED_CALLBACK_PREFIX_KEY, &rc);
+ assert(rc == MEMCACHED_FAILURE);
+
+ /* Test a clean set */
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, (void *)key);
+ assert(rc == MEMCACHED_SUCCESS);
+
+ value= memcached_callback_get(memc, MEMCACHED_CALLBACK_PREFIX_KEY, &rc);
+ assert(memcmp(value, key, 4) == 0);
+ assert(rc == MEMCACHED_SUCCESS);
+
+ /* Test that we can turn it off */
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, NULL);
+ assert(rc == MEMCACHED_SUCCESS);
+
+ value= memcached_callback_get(memc, MEMCACHED_CALLBACK_PREFIX_KEY, &rc);
+ assert(rc == MEMCACHED_FAILURE);
+
+ /* Now setup for main test */
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, (void *)key);
+ assert(rc == MEMCACHED_SUCCESS);
+
+ value= memcached_callback_get(memc, MEMCACHED_CALLBACK_PREFIX_KEY, &rc);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(memcmp(value, key, 4) == 0);
+
+ /* Set to Zero, and then Set to something too large */
+ {
+ char *long_key;
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, NULL);
+ assert(rc == MEMCACHED_SUCCESS);
+
+ value= memcached_callback_get(memc, MEMCACHED_CALLBACK_PREFIX_KEY, &rc);
+ assert(rc == MEMCACHED_FAILURE);
+ assert(value == NULL);
+
+ /* Test a long key for failure */
+ long_key= "Thisismorethentheallottednumberofcharacters";
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, long_key);
+ assert(rc == MEMCACHED_BAD_KEY_PROVIDED);
+
+ /* Now test a key with spaces (which will fail from long key, since bad key is not set) */
+ long_key= "This is more then the allotted number of characters";
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, long_key);
+ assert(rc == MEMCACHED_BAD_KEY_PROVIDED);
+
+ /* Test for a bad prefix, but with a short key */
+ rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_VERIFY_KEY, 1);
+ assert(rc == MEMCACHED_SUCCESS);
+
+ long_key= "dog cat";
+ rc= memcached_callback_set(memc, MEMCACHED_CALLBACK_PREFIX_KEY, long_key);
+ assert(rc == MEMCACHED_BAD_KEY_PROVIDED);
+ }
+
+ return MEMCACHED_SUCCESS;
+}
+