commands: non-functional changes

src/lxc/commands.c

@@ -198,8 +198,11 @@ static int lxc_cmd_rsp_recv(int sock, struct lxc_cmd_rr *cmd)
 		rsp->data = rspdata;
 	}
 
-	if (rsp->datalen == 0)
+	if (rsp->datalen == 0) {
+		DEBUG("command %s response data length is 0",
+		      lxc_cmd_str(cmd->req.cmd));
 		return ret;
+	}
 	if (rsp->datalen > LXC_CMD_DATA_MAX) {
 		ERROR("Command %s response data %d too long.",
 		      lxc_cmd_str(cmd->req.cmd), rsp->datalen);
@@ -279,7 +282,7 @@ static int lxc_cmd(const char *name, struct lxc_cmd_rr *cmd, int *stopped,
 	int sock, ret = -1;
 	char path[sizeof(((struct sockaddr_un *)0)->sun_path)] = { 0 };
 	char *offset = &path[1];
-	int len;
+	size_t len;
 	int stay_connected = cmd->req.cmd == LXC_CMD_CONSOLE;
 
 	*stopped = 0;
@@ -987,7 +990,7 @@ int lxc_cmd_init(const char *name, struct lxc_handler *handler,
 	 * Although null termination isn't required by the API, we do it anyway
 	 * because we print the sockname out sometimes.
 	 */
-	len = sizeof(path)-2;
+	len = sizeof(path) - 2;
 	if (fill_sock_name(offset, len, name, lxcpath, NULL))
 		return -1;