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Date: Thu, 24 Mar 2016 13:52:18 +0100 From: Jiri Olsa <jolsa@...nel.org> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: lkml <linux-kernel@...r.kernel.org>, David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Stephane Eranian <eranian@...gle.com>, Andi Kleen <ak@...ux.intel.com> Subject: [PATCH 4/6] perf tools: Introduce trim function To be used in cases for both sides trim. Link: http://lkml.kernel.org/n/tip-7fuk01zwjefo0aoqo42co0vy@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@...nel.org> --- tools/perf/ui/browsers/hists.c | 3 +-- tools/perf/ui/stdio/hist.c | 3 +-- tools/perf/util/util.h | 5 +++++ 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 4b9816555946..ba10c86cb56c 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -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) diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index 7aff5acf3265..560eb47d56f9 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -569,9 +569,8 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, first_col = false; fmt->header(fmt, hpp, hists_to_evsel(hists)); - rtrim(hpp->buf); - header_width += fprintf(fp, "%s", ltrim(hpp->buf)); + header_width += fprintf(fp, "%s", trim(hpp->buf)); } } diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 8298d607c738..3bf3de86d429 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -254,6 +254,11 @@ int hex2u64(const char *ptr, u64 *val); char *ltrim(char *s); char *rtrim(char *s); +static inline char *trim(char *s) +{ + return ltrim(rtrim(s)); +} + void dump_stack(void); void sighandler_dump_stack(int sig); -- 2.4.3
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