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-rw-r--r--lib/string.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/lib/string.c b/lib/string.c
index e96421ab9a9..3a912a4e9a6 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -338,6 +338,20 @@ EXPORT_SYMBOL(strnchr);
#endif
/**
+ * skip_spaces - Removes leading whitespace from @s.
+ * @s: The string to be stripped.
+ *
+ * Returns a pointer to the first non-whitespace character in @s.
+ */
+char *skip_spaces(const char *str)
+{
+ while (isspace(*str))
+ ++str;
+ return (char *)str;
+}
+EXPORT_SYMBOL(skip_spaces);
+
+/**
* strstrip - Removes leading and trailing whitespace from @s.
* @s: The string to be stripped.
*
@@ -360,10 +374,7 @@ char *strstrip(char *s)
end--;
*(end + 1) = '\0';
- while (*s && isspace(*s))
- s++;
-
- return s;
+ return skip_spaces(s);
}
EXPORT_SYMBOL(strstrip);