C++ (Cpp) VNode::IsEsoteric Examples

Example #1

File: kernel_interface.cpp Project: luciang/haiku

// reiserfs_lookup
static status_t
reiserfs_lookup(fs_volume* fs, fs_vnode* _dir, const char *entryName,
	ino_t *vnid)
{
//	FUNCTION_START();
	Volume *volume = (Volume*)fs->private_volume;
	VNode *dir = (VNode*)_dir->private_node;
FUNCTION(("dir: (%Ld: %lu, %lu), entry: `%s'\n", dir->GetID(), dir->GetDirID(),
		  dir->GetObjectID(), entryName));
	status_t error = B_OK;
	VNode *entryNode = NULL;

	// check for non-directories
	if (!dir->IsDir()) {
		error = B_ENTRY_NOT_FOUND;

	// special entries: "." and ".."
	} else if (!strcmp(entryName, ".")) {
		*vnid = dir->GetID();
		if (volume->GetVNode(*vnid, &entryNode) != B_OK)
			error = B_BAD_VALUE;
	} else if (!strcmp(entryName, "..")) {
		*vnid = dir->GetParentID();
		if (volume->GetVNode(*vnid, &entryNode) != B_OK)
			error = B_BAD_VALUE;

	// ordinary entries
	} else {
		// find the entry
		VNode foundNode;
		error = volume->FindDirEntry(dir, entryName, &foundNode, true);

		// hide non-file/dir/symlink entries, if the user desires that, and
		// those entries explicitly set to hidden
		if (error == B_OK
			&& ((foundNode.IsEsoteric() && volume->GetHideEsoteric())
				|| volume->IsNegativeEntry(foundNode.GetID()))) {
			error = B_ENTRY_NOT_FOUND;
		}
		if (error == B_OK) {
			*vnid = foundNode.GetID();
			error = volume->GetVNode(*vnid, &entryNode);
		}
	}

	// add to the entry cache
	if (error == B_OK) {
		entry_cache_add(volume->GetID(), dir->GetID(), entryName,
			*vnid);
	}

	RETURN_ERROR(error);
}