Function InternalHexCharToUintn

MdePkg/Library/BaseLib/String.c:613–624

Convert a Unicode character to numerical value. This internal function only deal with Unicode character which maps to a valid hexadecimal ASII character, i.e. L'0' to L'9', L'a' to L'f' or L'A' to L'F'. For other Unicode character, the value returned does not make sense. @param Char The character to convert. @return The numerical value converted. **/

**/
UINTN
EFIAPI
InternalHexCharToUintn (
  IN      CHAR16                    Char
  )
{
  if (InternalIsDecimalDigitCharacter (Char)) {
    return Char - L'0';
  }

  return (10 + CharToUpper (Char) - L'A');
}

/**
  Check if a Unicode character is a hexadecimal character.