Function StrSize

MdePkg/Library/BaseLib/String.c:220–230

Returns the size of a Null-terminated Unicode string in bytes, including the Null terminator. This function returns the size, in bytes, of the Null-terminated Unicode string specified by String. If String is NULL, then ASSERT(). If String is not aligned on a 16-bit boundary, then ASSERT(). If PcdMaximumUnicodeStringLength is not zero, and String contains more than PcdMaxim

**/
UINTN
EFIAPI
StrSize (
  IN      CONST CHAR16              *String
  )
{
  if (!String) {
    return 0;
  }
  return (StrLen (String) + 1) * sizeof (*String);
}

/**
  Compares two Null-terminated Unicode strings, and returns the difference