/*
* Private variables
*/
-static c_avl_tree_t *plugins_loaded = NULL;
+static c_avl_tree_t *plugins_loaded;
static llist_t *list_init;
static llist_t *list_write;
static llist_t *list_log;
static llist_t *list_notification;
-static fc_chain_t *pre_cache_chain = NULL;
-static fc_chain_t *post_cache_chain = NULL;
+static fc_chain_t *pre_cache_chain;
+static fc_chain_t *post_cache_chain;
static c_avl_tree_t *data_sets;
-static char *plugindir = NULL;
+static char *plugindir;
#ifndef DEFAULT_MAX_READ_INTERVAL
#define DEFAULT_MAX_READ_INTERVAL TIME_T_TO_CDTIME_T_STATIC(86400)
#endif
-static c_heap_t *read_heap = NULL;
+static c_heap_t *read_heap;
static llist_t *read_list;
static int read_loop = 1;
static pthread_mutex_t read_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t read_cond = PTHREAD_COND_INITIALIZER;
-static pthread_t *read_threads = NULL;
+static pthread_t *read_threads;
static size_t read_threads_num = 0;
static cdtime_t max_read_interval = DEFAULT_MAX_READ_INTERVAL;
static bool write_loop = true;
static pthread_mutex_t write_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t write_cond = PTHREAD_COND_INITIALIZER;
-static pthread_t *write_threads = NULL;
+static pthread_t *write_threads;
static size_t write_threads_num = 0;
static pthread_key_t plugin_ctx_key;