Removed compiler warnings

Signed-off-by: Norbert Heusser <norbert.heusser@cedalo.com>

apps/mosquitto_ctrl/ctrl_shell.c

@@ -194,6 +194,7 @@ void ctrl_shell__connect_blocking(const char *hostname, int port)
 	rc = mosquitto_loop_start(data.mosq);
 
 	/* FIXME - do something with the error */
+	UNUSED(rc);
 
 	response_wait(true);
 }

apps/mosquitto_ctrl/ctrl_shell_dynsec.c

@@ -909,6 +909,8 @@ static void print_default_acls(cJSON *j_data)
 
 static void response_callback(const char *command, cJSON *j_data, const char *payload)
 {
+	UNUSED(payload);
+
 	if(!strcmp(command, "listClients")){
 		completion_tree_arg_list_args_free(tree_clients);
 

deps/picohttpparser/picohttpparser.c

@@ -90,7 +90,7 @@
             CHECK_EOF();                                                                                                           \
         }                                                                                                                          \
         tok = tok_start;                                                                                                           \
-        toklen = buf - tok_start;                                                                                                  \
+        toklen = (size_t)(buf - tok_start);															                                                           \
     } while (0)
 
 static const char *token_char_map = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
@@ -181,9 +181,9 @@ FOUND_CTL:
     if (likely(*buf == '\015')) {
         ++buf;
         EXPECT_CHAR('\012');
-        *token_len = buf - 2 - token_start;
+        *token_len = (size_t)(buf - 2 - token_start);
     } else if (*buf == '\012') {
-        *token_len = buf - token_start;
+			*token_len = (size_t)(buf - token_start);
         ++buf;
     } else {
         *ret = -1;
@@ -272,7 +272,7 @@ static const char *parse_token(const char *buf, const char *buf_end, const char
         CHECK_EOF();
     }
     *token = buf_start;
-    *token_len = buf - buf_start;
+    *token_len = (size_t)(buf - buf_start);
     return buf;
 }
 
@@ -347,7 +347,7 @@ static const char *parse_headers(const char *buf, const char *buf_end, struct ph
             }
         }
         headers[*num_headers].value = value;
-        headers[*num_headers].value_len = value_end - value;
+        headers[*num_headers].value_len = (size_t)(value_end - value);
     }
     return buf;
 }
@@ -563,7 +563,7 @@ ssize_t phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, size_
                     ret = -1;
                     goto Exit;
                 }
-                decoder->bytes_left_in_chunk = decoder->bytes_left_in_chunk * 16 + v;
+                decoder->bytes_left_in_chunk = decoder->bytes_left_in_chunk * 16 + (size_t)v;
                 ++decoder->_hex_count;
             }
             decoder->_hex_count = 0;
@@ -647,7 +647,7 @@ ssize_t phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, size_
     }
 
 Complete:
-    ret = bufsz - src;
+    ret = (ssize_t)(bufsz - src);
 Exit:
     if (dst != src)
         memmove(buf + dst, buf + src, bufsz - src);

src/database.c

@@ -496,7 +496,7 @@ int db__message_insert_incoming(struct mosquitto *context, uint64_t cmsg_id, str
 	db__msg_store_ref_inc(client_msg->base_msg);
 	client_msg->data.mid = base_msg->data.source_mid;
 	client_msg->data.direction = mosq_md_in;
-	client_msg->data.state = state;
+	client_msg->data.state = (enum mosquitto_msg_state)state;
 	client_msg->data.dup = false;
 	if(base_msg->data.qos > context->max_qos){
 		client_msg->data.qos = context->max_qos;
@@ -637,7 +637,7 @@ int db__message_insert_outgoing(struct mosquitto *context, uint64_t cmsg_id, uin
 	db__msg_store_ref_inc(client_msg->base_msg);
 	client_msg->data.mid = mid;
 	client_msg->data.direction = mosq_md_out;
-	client_msg->data.state = state;
+	client_msg->data.state = (enum mosquitto_msg_state)state;
 	client_msg->data.dup = false;
 	if(qos > context->max_qos){
 		client_msg->data.qos = context->max_qos;
@@ -712,7 +712,7 @@ int db__message_update_outgoing(struct mosquitto *context, uint16_t mid, enum mo
 			if(client_msg->data.qos != qos){
 				return MOSQ_ERR_PROTOCOL;
 			}
-			client_msg->data.state = state;
+			client_msg->data.state = (enum mosquitto_msg_state)state;
 			if(persist){
 				plugin_persist__handle_client_msg_update(context, client_msg);
 			}

src/mosquitto_broker_internal.h

@@ -292,7 +292,7 @@ struct mosquitto__listener_sock{
 struct plugin_own_callback{
 	struct plugin_own_callback *next, *prev;
 	MOSQ_FUNC_generic_callback cb_func;
-	int event;
+	enum mosquitto_plugin_event event;
 };
 
 struct mosquitto_plugin_id_t{

src/plugin_callbacks.c

@@ -302,7 +302,7 @@ BROKER_EXPORT int mosquitto_callback_unregister(
 	}
 
 	DL_FOREACH_SAFE(identifier->own_callbacks, own, own_tmp){
-		if(own->event == event && own->cb_func == cb_func){
+		if(own->event == (enum mosquitto_plugin_event)event && own->cb_func == cb_func){
 			return remove_callback(identifier, own);
 		}
 	}