diff --git a/core/include/dap_common.h b/core/include/dap_common.h
index dff8c06c7d855d0d89e101bf092743f05f2eecb1..399c76fe0541aa3ffc828c1d3f8d68b93a44f49c 100755
--- a/core/include/dap_common.h
+++ b/core/include/dap_common.h
@@ -116,6 +116,22 @@
 
 #define UNUSED_ARG __attribute__((__unused__))
 
+#ifndef likely
+#   if (defined(__GNUC__) || __has_builtin(__builtin_expect)) && !defined(__COVERITY__)
+#       define likely(cond) __builtin_expect(!!(cond), 1)
+#   else
+#       define likely(x) (!!(x))
+#   endif
+#endif /* likely */
+
+#ifndef unlikely
+#   if (defined(__GNUC__) || __has_builtin(__builtin_expect)) && !defined(__COVERITY__)
+#       define unlikely(cond) __builtin_expect(!!(cond), 0)
+#   else
+#       define unlikely(x) (!!(x))
+#   endif
+#endif /* unlikely */
+
 #ifndef ROUNDUP
   #define ROUNDUP(n,width) (((n) + (width) - 1) & ~(unsigned)((width) - 1))
 #endif
@@ -932,4 +948,4 @@ DAP_STATIC_INLINE int dap_stream_node_addr_from_str(dap_stream_node_addr_t *a_ad
 
 DAP_STATIC_INLINE bool dap_stream_node_addr_is_blank(dap_stream_node_addr_t *a_addr) { return !a_addr->uint64; }
 
-const char *dap_stream_node_addr_to_str_static(dap_stream_node_addr_t a_address);
\ No newline at end of file
+const char *dap_stream_node_addr_to_str_static(dap_stream_node_addr_t a_address);
diff --git a/crypto/src/dap_cert.c b/crypto/src/dap_cert.c
index 99bd8f1a43e4a46a658fc02681a934f9858d67be..b16588a2590bdc686a20cc558f2d3fbbcab4aab6 100755
--- a/crypto/src/dap_cert.c
+++ b/crypto/src/dap_cert.c
@@ -390,7 +390,7 @@ int dap_cert_add(dap_cert_t *a_cert)
 {
     if (!a_cert)
         return -2;
-    dap_cert_item_t *l_cert_item;
+    dap_cert_item_t *l_cert_item = NULL;
     HASH_FIND_STR(s_certs, a_cert->name, l_cert_item);
     if (l_cert_item) {
         log_it(L_WARNING, "Certificate with name %s already present in memory", a_cert->name);
diff --git a/global-db/dap_global_db_driver_mdbx.c b/global-db/dap_global_db_driver_mdbx.c
index 27e8ddbd9412f58a36a23475074119b0ddfbb980..ce97afc29b90bc1235c9df06fd451412f0a7ffbc 100644
--- a/global-db/dap_global_db_driver_mdbx.c
+++ b/global-db/dap_global_db_driver_mdbx.c
@@ -213,7 +213,7 @@ char    l_buf[1024] = {0};
 static dap_db_ctx_t *s_cre_db_ctx_for_group(const char *a_group, int a_flags, MDBX_txn *a_txn)
 {
 int rc;
-dap_db_ctx_t *l_db_ctx;
+dap_db_ctx_t *l_db_ctx = NULL;
 size_t l_name_len;
 MDBX_val    l_key_iov, l_data_iov;
 
diff --git a/io/dap_events_socket.c b/io/dap_events_socket.c
index e66c5e3fb5a215cdacf7b3bf06ae69d81317b021..68de372275f0b6c85d36b8f7ce5dbcb42120fbf7 100644
--- a/io/dap_events_socket.c
+++ b/io/dap_events_socket.c
@@ -263,7 +263,7 @@ static inline void s_dap_evsock_free(dap_events_socket_t *a_es)
 {
 #ifdef DAP_SYS_DEBUG
     pthread_rwlock_wrlock(&s_evsocks_lock);
-    dap_events_socket_t *l_es;
+    dap_events_socket_t *l_es = NULL;
     HASH_FIND(hh2, s_esockets, &a_es->uuid, sizeof(l_es->uuid), l_es);
     if (l_es)
         HASH_DELETE(hh2, s_esockets, l_es); /* Remove record from the table */
diff --git a/net/server/http_server/http_client/dap_http_client.c b/net/server/http_server/http_client/dap_http_client.c
index 0b9df07c97468cf0d2a26605913d4a69b381aec7..0d0c89bdbb7b7ff9046002d84e6c65cb76716794 100644
--- a/net/server/http_server/http_client/dap_http_client.c
+++ b/net/server/http_server/http_client/dap_http_client.c
@@ -317,7 +317,7 @@ void dap_http_client_read( dap_events_socket_t *a_esocket, void *a_arg )
     size_t read_bytes = 0;
 
     dap_http_client_t *l_http_client = DAP_HTTP_CLIENT( a_esocket );
-    dap_http_url_proc_t *url_proc;
+    dap_http_url_proc_t *url_proc = NULL;
     dap_http_cache_t * l_http_cache;
 
     /*
diff --git a/net/server/json_rpc/rpc_core/src/dap_json_rpc_notification.c b/net/server/json_rpc/rpc_core/src/dap_json_rpc_notification.c
index 33ce7326535b3cc073354269e2c666372590cb81..8b3cfc925143ead7c61b166ca21c4af5128f27b0 100644
--- a/net/server/json_rpc/rpc_core/src/dap_json_rpc_notification.c
+++ b/net/server/json_rpc/rpc_core/src/dap_json_rpc_notification.c
@@ -7,7 +7,7 @@ static dap_json_rpc_notification_handler_t *s_handler_notifications = NULL;
 
 int dap_json_rpc_notification_registration(const char *a_method, notification_handler_func_t *a_notification_func)
 {
-    dap_json_rpc_notification_handler_t *l_handler;
+    dap_json_rpc_notification_handler_t *l_handler = NULL;
     HASH_FIND_STR(s_handler_notifications, a_method, l_handler);
     if (l_handler == 0){
         l_handler = DAP_NEW(dap_json_rpc_notification_handler_t);
@@ -25,7 +25,7 @@ int dap_json_rpc_notification_registration(const char *a_method, notification_ha
 }
 void dap_json_rpc_notification_unregistration(const char *a_method)
 {
-    dap_json_rpc_notification_handler_t *l_handler;
+    dap_json_rpc_notification_handler_t *l_handler = NULL;
     HASH_FIND_STR(s_handler_notifications, a_method, l_handler);
     if (l_handler != NULL){
         HASH_DEL(s_handler_notifications, l_handler);
diff --git a/net/server/json_rpc/rpc_core/src/dap_json_rpc_request_handler.c b/net/server/json_rpc/rpc_core/src/dap_json_rpc_request_handler.c
index 0a4b2c89f3129ca8460dbf7f2f8c256e00445679..6bedaea61826a8c872f1286768cef861ace531e0 100644
--- a/net/server/json_rpc/rpc_core/src/dap_json_rpc_request_handler.c
+++ b/net/server/json_rpc/rpc_core/src/dap_json_rpc_request_handler.c
@@ -6,7 +6,7 @@ static dap_json_rpc_request_handler_t *s_handler_hash_table = NULL;
 
 int dap_json_rpc_registration_request_handler(const char *a_name, handler_func_t *a_func)
 {
-    dap_json_rpc_request_handler_t *l_handler;
+    dap_json_rpc_request_handler_t *l_handler = NULL;
     HASH_FIND_STR(s_handler_hash_table, a_name, l_handler);
     if (l_handler == NULL){
         l_handler = DAP_NEW(dap_json_rpc_request_handler_t);
@@ -24,7 +24,7 @@ int dap_json_rpc_registration_request_handler(const char *a_name, handler_func_t
 }
 int dap_json_rpc_unregistration_request_handler(const char *a_name)
 {
-    dap_json_rpc_request_handler_t *l_handler;
+    dap_json_rpc_request_handler_t *l_handler = NULL;
     HASH_FIND_STR(s_handler_hash_table, a_name, l_handler);
     if (l_handler == NULL){
         return 1;
diff --git a/net/server/notify_server/src/dap_notify_srv.c b/net/server/notify_server/src/dap_notify_srv.c
index 24db569582216487d536ce1ee35f9aa876e00dbe..6f305a9ae671d9579e0fa750d5c36ee05410a45b 100644
--- a/net/server/notify_server/src/dap_notify_srv.c
+++ b/net/server/notify_server/src/dap_notify_srv.c
@@ -221,7 +221,7 @@ static void s_notify_server_callback_queue(dap_events_socket_t * a_es, void * a_
  */
 static void s_notify_server_callback_new(dap_events_socket_t * a_es, UNUSED_ARG void *a_arg)
 {
-    dap_events_socket_handler_hh_t * l_hh_new;
+    dap_events_socket_handler_hh_t *l_hh_new = NULL;
     pthread_rwlock_wrlock(&s_notify_server_clients_mutex);
     HASH_FIND(hh,s_notify_server_clients, &a_es->uuid, sizeof (a_es->uuid), l_hh_new);
     if (l_hh_new){
diff --git a/net/stream/session/dap_stream_session.c b/net/stream/session/dap_stream_session.c
index 7a7aadda875a10d235baa46be095ebc706161bea..42b187d8cacee7007f9c8853fee387d4e485bb1c 100644
--- a/net/stream/session/dap_stream_session.c
+++ b/net/stream/session/dap_stream_session.c
@@ -97,7 +97,7 @@ void dap_stream_session_get_list_sessions_unlock(void)
 
 dap_stream_session_t * dap_stream_session_pure_new()
 {
-dap_stream_session_t *l_stm_sess, *l_stm_tmp;
+dap_stream_session_t *l_stm_sess, *l_stm_tmp = NULL;
 uint32_t session_id = 0;
 
     if ( !(l_stm_sess = DAP_NEW_Z(dap_stream_session_t)) )              /* Preallocate new session context */
@@ -159,7 +159,7 @@ dap_stream_session_t *dap_stream_session_id_mt(uint32_t a_id)
  */
 dap_stream_session_t *dap_stream_session_id_unsafe(uint32_t id )
 {
-    dap_stream_session_t *ret;
+    dap_stream_session_t *ret = NULL;
     HASH_FIND(hh, s_sessions, &id, sizeof(uint32_t), ret);
     return ret;
 }
diff --git a/net/stream/stream/dap_stream.c b/net/stream/stream/dap_stream.c
index d0231d84332e6e70fc5f21260145e75adb9c6f99..72d03b551c73b2f17b1f262bb4916518aab4e1fc 100644
--- a/net/stream/stream/dap_stream.c
+++ b/net/stream/stream/dap_stream.c
@@ -1177,7 +1177,7 @@ dap_stream_info_t *dap_stream_get_links_info(dap_cluster_t *a_cluster, size_t *a
         log_it(L_CRITICAL, "! Attempt to aquire streams lock recursively !");
         return NULL;
     }
-    dap_stream_t *it;
+    dap_stream_t *it = NULL;
     size_t l_streams_count = 0, i = 0;
     if (a_cluster) {
         pthread_rwlock_rdlock(&a_cluster->members_lock);
diff --git a/plugin/src/dap_plugin_manifest.c b/plugin/src/dap_plugin_manifest.c
index dc30027449ba1aecab371a1dd987662e7b43de01..6625a17eb2b9bf47b4a6e32e1da573397c758cad 100644
--- a/plugin/src/dap_plugin_manifest.c
+++ b/plugin/src/dap_plugin_manifest.c
@@ -268,7 +268,7 @@ dap_plugin_manifest_t* dap_plugin_manifest_all()
  */
 dap_plugin_manifest_t *dap_plugin_manifest_find(const char *a_name)
 {
-    dap_plugin_manifest_t *l_ret;
+    dap_plugin_manifest_t *l_ret = NULL;
     HASH_FIND_STR(s_manifests,a_name,l_ret);
     return l_ret;
 }
@@ -327,7 +327,7 @@ static void s_manifest_delete(dap_plugin_manifest_t *a_manifest)
  */
 bool dap_plugins_manifest_remove(const char *a_name)
 {
-    dap_plugin_manifest_t *l_manifest;
+    dap_plugin_manifest_t *l_manifest = NULL;
     HASH_FIND_STR(s_manifests, a_name,l_manifest);
     if(l_manifest)
         HASH_DEL(s_manifests, l_manifest);