static int item(struct dir *item) {
struct dir *t;
/* Go back to parent dir */
if(!item) {
curdir = curdir->parent;
return 0;
}
item = item_copy(item);
item_add(item);
/* Ensure that any next items will go to this directory */
if(item->flags & FF_DIR)
curdir = item;
/* Special-case the name of the root item to be empty instead of "/". This is
* what getpath() expects. */
if(item == root && strcmp(item->name, "/") == 0)
item->name[0] = 0;
/* Update stats of parents. Don't update the size/asize fields if this is a
* possible hard link, because hlnk_check() will take care of it in that
* case. */
if(item->flags & FF_HLNKC) {
addparentstats(item->parent, 0, 0, 1);
hlink_check(item);
} else
addparentstats(item->parent, item->size, item->asize, 1);
/* propagate ERR and SERR back up to the root */
if(item->flags & FF_SERR || item->flags & FF_ERR)
for(t=item->parent; t; t=t->parent)
t->flags |= FF_SERR;
dir_output.size = root->size;
dir_output.items = root->items;
return 0;
}
void freedir(struct dir *dr) {
if(!dr)
return;
/* free dr->sub recursively */
if(dr->sub)
freedir_rec(dr->sub);
/* update references */
if(dr->parent && dr->parent->sub == dr)
dr->parent->sub = dr->next;
if(dr->prev)
dr->prev->next = dr->next;
if(dr->next)
dr->next->prev = dr->prev;
freedir_hlnk(dr);
/* update sizes of parent directories if this isn't a hard link.
* If this is a hard link, freedir_hlnk() would have done so already */
addparentstats(dr->parent, dr->flags & FF_HLNKC ? 0 : -dr->size, dr->flags & FF_HLNKC ? 0 : -dr->asize, -(dr->items+1));
free(dr);
}
