linux-kernel - [tip:perf/core] perf: Use format string of printf to align strings

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Message-ID: <tip-3912f2abc942a002ef611fc973add5e5eadb3432@git.kernel.org>
Date:	Mon, 28 Dec 2009 10:04:37 GMT
From:	tip-bot for Amerigo Wang <amwang@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	efault@....de, amwang@...hat.com, fweisbec@...il.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/core] perf: Use format string of printf to align strings

Commit-ID:  3912f2abc942a002ef611fc973add5e5eadb3432
Gitweb:     http://git.kernel.org/tip/3912f2abc942a002ef611fc973add5e5eadb3432
Author:     Amerigo Wang <amwang@...hat.com>
AuthorDate: Mon, 14 Dec 2009 03:23:56 -0500
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 28 Dec 2009 09:03:16 +0100

perf: Use format string of printf to align strings

Instead of filling whitespaces to do alignment, use
printf's format string.

This simplifies the code a bit.

Signed-off-by: WANG Cong <amwang@...hat.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <20091214082700.4224.57640.sendpatchset@...alhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 tools/perf/builtin-help.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

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);
 	}
 }
--
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