static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
/* socket configuration */
-static char *sock_file = NULL;
-static char *sock_group = NULL;
+static char *sock_file;
+static char *sock_group;
static int sock_perms = S_IRWXU | S_IRWXG;
static int max_conns = MAX_CONNS;
static pthread_cond_t collector_available = PTHREAD_COND_INITIALIZER;
/* collector threads */
-static collector_t **collectors = NULL;
+static collector_t **collectors;
static pthread_mutex_t available_mutex = PTHREAD_MUTEX_INITIALIZER;
static int available_collectors;