Re: libdar::user_interaction::listing splitting the flag argument

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Le 28/10/2013 17:12, Tobias wrote:
> Hi Denis,

Hello Tobias,

> 
> Thank you very much for the back-port!
> That's the function I was looking for.
> 
> I have compiled libdar from git.
> By the way, it seems like a #endif in the libdar_config.h include file
> is missing:
>> #ifndef _DARWIN_USE_64_BIT_INODE
>> # define _DARWIN_USE_64_BIT_INODE 1
> + #endif

Could not reproduce this from the installed data I get here, but I think
I have found the cause. Normally only DAR related macro are present in
this file, I've changed the filter for "DARWIN" to not match the
DAR/LIBDAR macro filtering. Thanks to tell me if you have further
problem or not.

> 
> Unluckily I can list only the root directory ("") of the archive. 
> When requesting a subdirectory I get an Exception:
> "subdri/ entry does not exist"
> Calling get_children_of within the same archive is working as usual.
> Can you reproduce this behavior?

yes I could, I had just back-ported the initial patch about this feature
and forgot that subsequent patches were fixing several bugs about that
new feature. Now, it works better for me, and I hope for you too.

> 
> Can I only use the get_children_in_table method when working with
> archives that had been created with the current git release?

No, it should work for any archive even for archives generated by dar
release 1.0.0 more than 11 years ago :)  Please pay attention to call
archive::init_catalogue() once after the archive has been built and
before calling get_children_in_table() the first time on that archive.

init_catalogue() loads the catalogue in memory when it is not already
done. The catalogue is not loaded only when reading an archive in
sequential mode before any action has been asked on that archive, as the
contents in learned along the archive being read ... sequentially

But you have not to call init_catalogue() if you want to
extract/diff/test the archive before exploring the archive contents: In
sequential read mode, the access to the archive cannot be done twice so
either you do an operation on the archive (like extracting some files)
which finally builds up the catalogue in memory once the operation is
completed, or you call init_catalogue() which read the whole archive in
order to build the catalogue in memory without doing anything else on
about file's data or EA (just skipping over it).

if not in sequential read mode, init_catalogue() does nothing and it
does not hurt to call it anyway before calling get_children_in_table()
to be sure the catalogue has been built in memory.

> When opening other archives and calling get_children_in_table I ran into
> an Exception: 
> "it seems to be a bug here"
> 
> 
> Regards,
> Tobias
> 

Regards,
Denis.

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