linux-kernel - [PATCH 13/19] perf tools: Move ltrim() to util/string.c

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Message-Id: <1358845787-1350-14-git-send-email-namhyung@kernel.org>
Date:	Tue, 22 Jan 2013 18:09:41 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	Feng Tang <feng.tang@...el.com>
Subject: [PATCH 13/19] perf tools: Move ltrim() to util/string.c

From: Namhyung Kim <namhyung.kim@....com>

As we have ltrim() implementation in builtin-script.c move it to the
more generic location of util/string.c so that it can be used from
other places.

Cc: Feng Tang <feng.tang@...el.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/builtin-script.c | 12 ------------
 tools/perf/util/string.c    | 18 ++++++++++++++++++
 tools/perf/util/util.h      |  1 +
 3 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 3314ef2ec83e..fee4c9a8aee5 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -909,18 +909,6 @@ static const char *ends_with(const char *str, const char *suffix)
 	return NULL;
 }
 
-static char *ltrim(char *str)
-{
-	int len = strlen(str);
-
-	while (len && isspace(*str)) {
-		len--;
-		str++;
-	}
-
-	return str;
-}
-
 static int read_script_info(struct script_desc *desc, const char *filename)
 {
 	char line[BUFSIZ], *p;
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index 346707df04b9..29c7b2cb2521 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -332,6 +332,24 @@ char *strxfrchar(char *s, char from, char to)
 }
 
 /**
+ * ltrim - Removes leading whitespace from @s.
+ * @s: The string to be stripped.
+ *
+ * Return pointer to the first non-whitespace character in @s.
+ */
+char *ltrim(char *s)
+{
+	int len = strlen(s);
+
+	while (len && isspace(*s)) {
+		len--;
+		s++;
+	}
+
+	return s;
+}
+
+/**
  * rtrim - Removes trailing whitespace from @s.
  * @s: The string to be stripped.
  *
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index ec5de5e3330c..09b4c26b71aa 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -265,6 +265,7 @@ bool is_power_of_2(unsigned long n)
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);
 
+char *ltrim(char *s);
 char *rtrim(char *s);
 
 void dump_stack(void);
-- 
1.7.11.7

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