Function command_err

plugins/bcli.c:253–260

}

static struct command_result *command_err(struct command *cmd,
					  struct bcli_result *res,
					  const char *errmsg)
{
	char *err = tal_fmt(cmd, "%s: %s (%.*s)",
			    res->args, errmsg, (int)res->output_len, res->output);
	return command_done_err(cmd, BCLI_ERROR, err, NULL);
}

/* Don't use this in general: it's better to omit fields. */
static void json_add_null(struct json_stream *stream, const char *fieldname)