Make allocations based on var size, not struct size - it's safer

agent_pool.c

@@ -110,10 +110,9 @@ void *agent_pool(void *args)
 	struct pool_data *pool = args;
 	pthread_mutex_t mutex;
 	pthread_attr_t attr;
-	pthread_t *agent_thread =
-		(pthread_t *)malloc(pool->size * sizeof(pthread_t));
+	pthread_t *agent_thread = malloc(pool->size * sizeof(*agent_thread));
 	struct agent_args *agent_struct =
-		malloc(pool->size * sizeof(struct agent_args));
+		malloc(pool->size * sizeof(*agent_struct));
 	int i;
 
 	memset(agent_thread, 0, sizeof(pthread_t) * pool->size);