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

[tip-bot for Amerigo Wang]

Commit-ID:  3912f2abc942a002ef611fc973add5e5eadb3432
Gitweb:     http://git.kernel.org/tip/3912f2abc942a002ef611fc973add5e5eadb3432
Author:     Amerigo Wang <amwang@xxxxxxxxxx>
AuthorDate: Mon, 14 Dec 2009 03:23:56 -0500
Committer:  Ingo Molnar <mingo@xxxxxxx>
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@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
LKML-Reference: <20091214082700.4224.57640.sendpatchset@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 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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