[parted-devel] [PATCH] GPT strings are UCS-2LE not UTF-16

[H. Peter Anvin]

On 03/23/2015 11:58 AM, Brian C. Lane wrote:
> On Mon, Mar 23, 2015 at 09:21:45AM -0700, H. Peter Anvin wrote:
>> On 03/23/2015 08:29 AM, Brian C. Lane wrote:
>>> On Sun, Mar 22, 2015 at 09:20:23PM -0400, Phillip Susi wrote:
>>>> On 03/21/2015 11:32 AM, H. Peter Anvin wrote:
>>>>> It isn't about the UEFI spec but rather what iconv expects.  The
>>>>> string "UTF-16LE" produces littleendian UTF-16 without BOM.
>>>>
>>>> Right, and that is exactly what Brian said it should be, I believe
>>>> because the UEFI spec states that it is LE, so there is no need for
>>>> the BOM.  What I'm not sure about is the difference between UCS-2 and
>>>> UTF-16.
>>>
>>> The UEFI spec is for UCS-2, and everything in GPT is stored in LE so
>>> that's what I used. Are you seeing a problem with the iconv_open call on
>>> some distributions?
>>>
>>
>> The difference is that characters above U+FFFF are an error in UCS-2 but
>> uses surrogates in UTF-16.  I believe falling back to surrogates is the
>> right thing to do, even if it is not 100% spec compliant.
> 
> Unless there's an actual problem I'd much prefer to be spec compliant.
> 

So what will you do if you encounter a partition table which contains
surrogates?

	-hpa