[syslinux] MultiFS syntax definition

[Raphael S Carvalho]

On Wed, Jun 4, 2014 at 5:36 PM, Raphael S Carvalho
<raphael.scarv at gmail.com> wrote:
> On Wed, Jun 4, 2014 at 5:21 PM, H. Peter Anvin <hpa at zytor.com> wrote:
>> On 06/04/2014 11:09 AM, Raphael S Carvalho wrote:
>>> Before proceeding with the MultiFS patchset, let's discuss the MultiFS syntax.
>>>
>>> It's currently as follows:
>>> (hd[disk number]:[partition number])/path/to/file
>>>
>>> Any objections?
>>>
>>
>> As others have pointed out, I'd rather use a comma, but even more
>> specifically, we already *have* a very sophisticated syntax for
>> partition selection: this is what chain.c32 currently consumes.  It lets
>> us specify partitions not just by disk/partition number but also by
>> various kinds of other attributes like MBR signatures and UUIDs.
>>
>> So we should just (re-)use that syntax.
> Agreed. the whole chain directory will have to be moved to com32/lib,
> or common code pulled into a new file. Which one does sound better
> to you?
Although the syntax parser (in option.c) doesn't assume the parentheses
neither the path post the closed parentheses, it's also bloated and seems
not to fit well the MultiFS purposes.

On the other hand, find_dp and its helper functions at chain.c could be
nicely re-used with a few changes.

>>
>>         -hpa
>>
>>
>
>
>
> --
> Raphael S. Carvalho



-- 
Raphael S. Carvalho