file_systems/ramfs/Directory.cpp

26 	while (Entry *entry = fEntries.First()) {
27 		if (DeleteEntry(entry) != B_OK) {
36 Directory::Link(Entry *entry)
39 		return Node::Link(entry);
45 Directory::Unlink(Entry *entry)
47 	if (entry == fReferrers.First())
48 		return Node::Unlink(entry);
70 	Entry *entry = fReferrers.First();
71 	return (entry ? entry->GetParent() : NULL);
134 Directory::AddEntry(Entry *entry)
136 	status_t error = (entry && !entry->GetParent() ? B_OK : B_BAD_VALUE);
138 		fEntries.Insert(entry);
139 		entry->SetParent(this);
140 		error = GetVolume()->EntryAdded(GetID(), entry);
144 			fEntries.Remove(entry);
145 			entry->SetParent(NULL);
157 		// create an entry
158 		Entry *entry = new(nothrow) Entry(name);
159 		if (entry) {
160 			error = entry->InitCheck();
163 				error = entry->Link(node);
165 					// add the entry
166 					error = AddEntry(entry);
169 							*_entry = entry;
172 						entry->Unlink();
176 			// delete the entry on failure
178 				delete entry;
187 Directory::RemoveEntry(Entry *entry)
189 	status_t error = (entry && entry->GetParent() == this ? B_OK
192 		// move all iterators pointing to the entry to the next entry
194 			// set the iterators' current entry
195 			Entry *nextEntry = fEntries.GetNext(entry);
197 				= entry->GetEntryIteratorList();
204 			// them, if there is no next entry.
214 		// remove the entry
216 			error = GetVolume()->EntryRemoved(GetID(), entry);
218 				fEntries.Remove(entry);
219 				entry->SetParent(NULL);
229 Directory::DeleteEntry(Entry *entry)
231 	status_t error = RemoveEntry(entry);
233 		error = entry->Unlink();
235 			delete entry;
237 			FATAL("Failed to Unlink() entry %p from node %" B_PRIdINO "!\n", entry,
238 				   entry->GetNode()->GetID());
239 			AddEntry(entry);
252 		Entry *entry = NULL;
253 		while (GetNextEntry(&entry) == B_OK) {
254 			if (!strcmp(entry->GetName(), name)) {
255 				*_entry = entry;
271 	Entry *entry = NULL;
272 	if (error == B_OK && (error = FindEntry(name, &entry)) == B_OK)
273 		*node = entry->GetNode();
282 	Entry *entry = NULL;
283 	if (error == B_OK && (error = FindEntry(name, &entry)) == B_OK) {
284 		*node = entry->GetNode();
286 			*_entry = entry;
294 Directory::GetPreviousEntry(Entry **entry) const
296 	status_t error = (entry ? B_OK : B_BAD_VALUE);
298 		if (!*entry)
299 			*entry = fEntries.Last();
300 		else if ((*entry)->GetParent() == this)
301 			*entry = fEntries.GetPrevious(*entry);
304 		if (error == B_OK && !*entry)
312 Directory::GetNextEntry(Entry **entry) const
314 	status_t error = (entry ? B_OK : B_BAD_VALUE);
316 		if (!*entry)
317 			*entry = fEntries.First();
318 		else if ((*entry)->GetParent() == this)
319 			*entry = fEntries.GetNext(*entry);
322 		if (error == B_OK && !*entry)
334 	Entry *entry = NULL;
335 	while (GetNextEntry(&entry) == B_OK)
336 		entry->GetAllocationInfo(info);