[tip:perf/core] perf ui browser: Refactor the code to parse color configs with ltrim()

[tip-bot for Taeung Song]

Commit-ID:  e21600fd41106f7a0ca124cec2404b2b3562768d
Gitweb:     http://git.kernel.org/tip/e21600fd41106f7a0ca124cec2404b2b3562768d
Author:     Taeung Song <treeze.taeung@xxxxxxxxx>
AuthorDate: Fri, 7 Apr 2017 23:24:19 +0900
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 11 Apr 2017 08:45:10 -0300

perf ui browser: Refactor the code to parse color configs with ltrim()

When parsing {fore, back} ground color configs, use ltrim() instead of
just while loop and isspace().

Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1491575061-704-4-git-send-email-treeze.taeung@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/browser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 3eb3edb..9e47ccb 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -579,7 +579,7 @@ static int ui_browser__color_config(const char *var, const char *value,
 			break;
 
 		*bg = '\0';
-		while (isspace(*++bg));
+		bg = ltrim(++bg);
 		ui_browser__colorsets[i].bg = bg;
 		ui_browser__colorsets[i].fg = fg;
 		return 0;