Add function that calculates UTF-16 string length.

[android-x86/external-exfat.git] / libexfat / utf.c

diff --git a/libexfat/utf.c b/libexfat/utf.c
index 6465661..8598d70 100644 (file)
--- a/libexfat/utf.c
+++ b/libexfat/utf.c
@@ -211,3 +211,12 @@ int utf8_to_utf16(le16_t* output, const char* input, size_t outsize,
        *outp = cpu_to_le16(0);
        return 0;
 }
+
+size_t utf16_length(const le16_t* str)
+{
+       size_t i = 0;
+
+       while (le16_to_cpu(str[i]))
+               i++;
+       return i;
+}