[PATCH v2 2/4] new: Handle fatal errors in remove_filename and _remove_directory

[Austin Clements]

Quoth Mark Walters on Apr 22 at  8:34 am:
> On Sun, 22 Apr 2012, Austin Clements <amdragon at MIT.EDU> wrote:
> > Previously such errors were simply ignored.  Now they cause an
> > immediate cleanup and abort.
> > ---
> >  notmuch-new.c |   25 +++++++++++++++++++------
> >  1 files changed, 19 insertions(+), 6 deletions(-)
> >
> > diff --git a/notmuch-new.c b/notmuch-new.c
> > index 15c0b36..92e0489 100644
> > --- a/notmuch-new.c
> > +++ b/notmuch-new.c
> > @@ -785,8 +785,10 @@ remove_filename (notmuch_database_t *notmuch,
> >  	add_files_state->renamed_messages++;
> >  	if (add_files_state->synchronize_flags == TRUE)
> >  	    notmuch_message_maildir_flags_to_tags (message);
> > -    } else
> > +	status = NOTMUCH_STATUS_SUCCESS;
> > +    } else if (status == NOTMUCH_STATUS_SUCCESS) {
> >  	add_files_state->removed_messages++;
> > +    }
> >      notmuch_message_destroy (message);
> >      notmuch_database_end_atomic (notmuch);
> >      return status;
> > @@ -794,12 +796,13 @@ remove_filename (notmuch_database_t *notmuch,
> >  
> >  /* Recursively remove all filenames from the database referring to
> >   * 'path' (or to any of its children). */
> > -static void
> > +static notmuch_status_t
> >  _remove_directory (void *ctx,
> >  		   notmuch_database_t *notmuch,
> >  		   const char *path,
> >  		   add_files_state_t *add_files_state)
> >  {
> > +    notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
> >      notmuch_directory_t *directory;
> >      notmuch_filenames_t *files, *subdirs;
> >      char *absolute;
> > @@ -812,8 +815,10 @@ _remove_directory (void *ctx,
> >      {
> >  	absolute = talloc_asprintf (ctx, "%s/%s", path,
> >  				    notmuch_filenames_get (files));
> > -	remove_filename (notmuch, absolute, add_files_state);
> > +	status = remove_filename (notmuch, absolute, add_files_state);
> >  	talloc_free (absolute);
> > +	if (status)
> > +	    goto DONE;
> >      }
> >  
> >      for (subdirs = notmuch_directory_get_child_directories (directory);
> > @@ -822,11 +827,15 @@ _remove_directory (void *ctx,
> >      {
> >  	absolute = talloc_asprintf (ctx, "%s/%s", path,
> >  				    notmuch_filenames_get (subdirs));
> > -	_remove_directory (ctx, notmuch, absolute, add_files_state);
> > +	status = _remove_directory (ctx, notmuch, absolute, add_files_state);
> >  	talloc_free (absolute);
> > +	if (status)
> > +	    goto DONE;
> >      }
> >  
> > +  DONE:
> >      notmuch_directory_destroy (directory);
> > +    return NOTMUCH_STATUS_SUCCESS;
> 
> Doesn't this need to be return status or something?

Arrg.  Yes, of course.  I wish I knew a good way to test this stuff.