From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754372AbZLNIYN (ORCPT ); Mon, 14 Dec 2009 03:24:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752443AbZLNIYK (ORCPT ); Mon, 14 Dec 2009 03:24:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53496 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750973AbZLNIYH (ORCPT ); Mon, 14 Dec 2009 03:24:07 -0500 Date: Mon, 14 Dec 2009 03:23:56 -0500 From: Amerigo Wang To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, Amerigo Wang Message-Id: <20091214082700.4224.57640.sendpatchset@localhost.localdomain> Subject: [Patch] perf: use format string of printf to align strings Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of filling whitespaces to do alignment, use printf's format string. Signed-off-by: WANG Cong --- diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c index 9f810b1..e427d69 100644 --- a/tools/perf/builtin-help.c +++ b/tools/perf/builtin-help.c @@ -286,8 +286,7 @@ void list_common_cmds_help(void) puts(" The most commonly used perf commands are:"); for (i = 0; i < ARRAY_SIZE(common_cmds); i++) { - printf(" %s ", common_cmds[i].name); - mput_char(' ', longest - strlen(common_cmds[i].name)); + printf(" %-*s ", longest, common_cmds[i].name); puts(common_cmds[i].help); } }