[Bluetooth] Enable SCO support for Broadcom HID proxy dongle

[pandora-kernel.git] / lib / string.c

diff --git a/lib/string.c b/lib/string.c
index 064f631..6307726 100644 (file)
--- a/lib/string.c
+++ b/lib/string.c
@@ -301,6 +301,36 @@ char *strnchr(const char *s, size_t count, int c)
 EXPORT_SYMBOL(strnchr);
 #endif
 
+/**
+ * strstrip - Removes leading and trailing whitespace from @s.
+ * @s: The string to be stripped.
+ *
+ * Note that the first trailing whitespace is replaced with a %NUL-terminator
+ * in the given string @s. Returns a pointer to the first non-whitespace
+ * character in @s.
+ */
+char *strstrip(char *s)
+{
+       size_t size;
+       char *end;
+
+       size = strlen(s);
+
+       if (!size)
+               return s;
+
+       end = s + size - 1;
+       while (end != s && isspace(*end))
+               end--;
+       *(end + 1) = '\0';
+
+       while (*s && isspace(*s))
+               s++;
+
+       return s;
+}
+EXPORT_SYMBOL(strstrip);
+
 #ifndef __HAVE_ARCH_STRLEN
 /**
  * strlen - Find the length of a string