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perf: Use format string of printf to align strings

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

This simplifies the code a bit.

Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091214082700.4224.57640.sendpatchset@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Amerigo Wang 2009-12-14 03:23:56 -05:00 committed by Ingo Molnar
parent 049ae80b87
commit 3912f2abc9
1 changed files with 1 additions and 2 deletions
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3
tools/perf/builtin-help.c
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@ -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);
}
}