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perf tools: Introduce trim function

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To be used in cases for both sides trim.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andreas Hollmann <hollmann@in.tum.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1460013073-18444-1-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2016-04-07 09:11:11 +02:00
committed by Arnaldo Carvalho de Melo
parent d1d438a3b1
commit 7d6a7e7825
3 changed files with 7 additions and 4 deletions
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3
tools/perf/ui/browsers/hists.c
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@@ -1607,9 +1607,8 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists));
dummy_hpp.buf[ret] = '\0';
rtrim(dummy_hpp.buf);
start = ltrim(dummy_hpp.buf);
start = trim(dummy_hpp.buf);
ret = strlen(start);
if (start != dummy_hpp.buf)