perf tools: Introduce trim function
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>
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 2a83414..e70df2e 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1607,9 +1607,8 @@
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)