Re: UBIFS seekdir()/telldir() issue

[Jan Kara <jack@suse.cz>]

On Fri 30-05-08 13:57:45, Adrian Hunter wrote:
> Jan Kara wrote:
>>   The sequence you write above is actually incorrect I think. Noone
>> guarantees that the cookie returned by telldir() is valid after
>> closedir(). What is a bigger (and quite common) problem is, if somebody
>> uses readdir/telldir/seekdir while someone else creates/deletes files in
>> the directory. The standard implies in this case that subsequent
>> readdir should return all the files which were not touched (or all files
>> after position set by seekdir if used...).
>
> Not according to this:
>
> http://www.opengroup.org/onlinepubs/009695399/functions/readdir.html
>
> 	"If a file is removed from or added to the directory after the
> 	most recent call to opendir() or rewinddir(), whether a
> 	subsequent call to readdir() returns an entry for that file
> 	is unspecified."
  This is exactly what I meant. Maybe phrased it wrongly in my email :)

								Honza
-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR