Function AsciiStrSize

MdePkg/Library/BaseLib/String.c:1242–1253

Returns the size of a Null-terminated ASCII string in bytes, including the Null terminator. This function returns the size, in bytes, of the Null-terminated ASCII string specified by String. If String is NULL, then ASSERT(). If PcdMaximumAsciiStringLength is not zero and String contains more than PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,

**/
UINTN
EFIAPI
AsciiStrSize (
  IN      CONST CHAR8               *String
  )
{
  if (!String) {
    return 0;
  }

  return (AsciiStrLen(String) + 1) * sizeof (*String);
}

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