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

Namhyung Kim
2013-01-22T09:11:08Z

From: Namhyung Kim <namhyung.kim@lge.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@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.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