tools/fs_shell/vfs.cpp

55 #define HAS_FS_CALL(vnode, op)			(vnode->ops->op != NULL)
56 #define HAS_FS_MOUNT_CALL(mount, op)	(mount->volume->ops->op != NULL)
109 	is NULL, though).
263 	NULL,
264 	NULL,
265 	NULL,		// read_dir()
266 	NULL,		// rewind_dir()
274 	NULL,		// read()
275 	NULL,		// write()
276 	NULL,		// seek()
278 	NULL,		// select()
279 	NULL,		// deselect()
289 	NULL,		// read()
290 	NULL,		// write()
291 	NULL,		// seek()
293 	NULL,		// select()
294 	NULL,		// deselect()
308 	NULL,		// select()
309 	NULL,		// deselect()
310 	NULL,		// read_dir()
311 	NULL,		// rewind_dir()
319 	NULL,		// read()
320 	NULL,		// write()
321 	NULL,		// seek()
322 	NULL,		// ioctl()
323 	NULL,		// select()
324 	NULL,		// deselect()
327 	NULL,		// read_stat()
328 	NULL,		// write_stat()
335 	NULL,		// read()
336 	NULL,		// write()
337 	NULL,		// seek()
338 	NULL,		// ioctl()
339 	NULL,		// select()
340 	NULL,		// deselect()
341 	NULL,		// dir_read()
342 	NULL,		// dir_rewind()
344 	NULL,		// write_stat()
345 	NULL,		// dir_close()
346 	NULL		// free_fd()
351 	NULL,		// read()
352 	NULL,		// write()
353 	NULL,		// seek()
354 	NULL,		// ioctl()
355 	NULL,		// select()
356 	NULL,		// deselect()
359 	NULL,		// read_stat()
360 	NULL,		// write_stat()
369 	VNodePutter(struct vnode *vnode = NULL) : fVNode(vnode) {}
386 			fVNode = NULL;
393 		fVNode = NULL;
447 	if (mount == NULL)
450 	if (mount->root_vnode == NULL) {
452 		// case the root node may still be NULL
480  *	Returns a pointer to file system module interface, or NULL if it
492 		fsName = NULL;
497 		return NULL;
507  *	Returns NULL if the required memory is no available.
522 	if (end == NULL) {
530 	if (name == NULL)
531 		return NULL;
559 	if (vnode != NULL)
585 	vnode->mount_link.next = vnode->mount_link.prev = NULL;
597 	if (vnode == NULL)
741  *	\return The vnode structure, if it was found in the hash table, \c NULL
820 		if (status == FSSH_B_OK && vnode->private_node == NULL)
869  *	\a vnodeToDisconnect, or if this is NULL, all vnodes of the specified
896  *			indeed a mount point, or \c NULL otherwise.
903 		return NULL;
905 	struct vnode *volumeRoot = NULL;
974  *			root and not "/", or \c NULL otherwise.
981 		return NULL;
983 	struct vnode *mountPoint = NULL;
1058 	return vnode_path_to_vnode(directory, clonedName, false, 0, _vnode, NULL);
1074 	if (*_vnode == NULL) {
1085 	\a path must not be NULL.
1101 	if (path == NULL) {
1169 			if (buffer == NULL) {
1250 	struct vnode *start = NULL;
1259 		if (sRoot == NULL) {
1273 		if (start != NULL)
1277 		if (start == NULL)
1297 	return path_to_vnode(path, true, _vnode, NULL, kernel);
1314  *	\param path The absolute or relative path. Must not be \c NULL. The buffer
1339 	return fd_and_path_to_vnode(fd, path, true, _vnode, NULL, kernel);
1356 	if (vnode->mount->root_vnode == vnode && vnode->mount->covers_vnode != NULL) {
1371 	if (parent == NULL)
1440 	if (vnode == NULL || buffer == NULL)
1591 	if (descriptor == NULL)
1592 		return NULL;
1594 	if (fd_vnode(descriptor) == NULL) {
1596 		return NULL;
1614 	if (descriptor == NULL)
1615 		return NULL;
1618 	if (vnode != NULL)
1628  *	NULL.
1629  *	If \a fd is a valid file descriptor, \a path may be NULL for directories,
1630  *	and should be NULL for files.
1640 	if (fd < 0 || (path != NULL && path[0] == '/')) {
1650 	if (path != NULL) {
1673 	if (vnode && vnode->mandatory_locked_by != NULL)
1890 	if (privateNode == NULL)
1902 	if (vnode != NULL) {
1934 	if (vnode != NULL && vnode->busy && vnode->unpublished
1937 	} else if (vnode == NULL && privateNode != NULL) {
1949 	if (status == FSSH_B_OK && volume->sub_volume != NULL) {
1953 		while (status == FSSH_B_OK && subVolume->sub_volume != NULL) {
1988 	if (volume == NULL)
2008 		if (privateNode != NULL)
2010 	} else if (privateNode != NULL)
2026 	if (vnode == NULL)
2043 	if (vnode == NULL)
2060 	if (vnode == NULL)
2063 	if (vnode->covered_by != NULL) {
2126 	if (_vnode == NULL)
2127 		return NULL;
2180 	fssh_iovec* newVecs = NULL;
2221 	fssh_iovec* newVecs = NULL;
2329 	if (descriptor == NULL)
2342 	if (*vnode == NULL)
2362 	fssh_status_t status = path_to_vnode(buffer, true, &vnode, NULL, kernel);
2441 	if (vnode == NULL)
2471 		status = path_to_vnode(buffer, true, &vnode, NULL, true);
2475 		status = vnode_path_to_vnode(vnode, buffer, true, 0, &vnode, NULL);
2517 	status = path_to_vnode(pathBuffer, true, &dir, NULL, true);
2531 		if (nextPath == NULL)
2547 		status = vnode_path_to_vnode(dir, path, true, 0, &file, NULL);
2638 		error = vnode_path_to_vnode(dirNode, leaf, false, 0, &dirNode, NULL);
2684 	if (context->cwd != NULL) {
2727 	return get_vnode_name((struct vnode *)_vnode, NULL, name, nameSize);
2739 	if (leaf != NULL && (leaf[0] == '\0' || fssh_strchr(leaf, '/')))
2747 		leaf = NULL;
2782 	if (vnode != NULL && vnode->mandatory_locked_by == descriptor)
2783 		vnode->mandatory_locked_by = NULL;
2803 		if (descriptor != NULL && fd_close_on_exec(context, i)) {
2804 			context->fds[i] = NULL;
2832 	if (context == NULL)
2833 		return NULL;
2846 	if (context->fds == NULL) {
2848 		return NULL;
2871 			if (descriptor != NULL && !fd_close_on_exec(parentContext, i)) {
2925 	if (sVnodeTable == NULL)
2932 	if (sMountsTable == NULL)
2935 	sRoot = NULL;
2977 	if (vnode == NULL) {
2982 	if ((status = get_new_fd(FDTYPE_FILE, NULL, vnode, cookie, openMode, kernel)) >= 0)
3011 	status = get_new_fd(FDTYPE_FILE, NULL, vnode, cookie, openMode, kernel);
3035 	status = get_new_fd(FDTYPE_DIR, NULL, vnode, cookie, 0, kernel);
3065 	status = get_new_fd(FDTYPE_ATTR_DIR, NULL, vnode, cookie, 0, kernel);
3123 	if (name == NULL || *name == '\0')
3152 	struct vnode *vnode = NULL;
3188 	if (vnode != NULL) {
3268 	if (name == NULL || *name == '\0')
3345 	struct vnode *vnode = NULL;
3379 	if (vnode != NULL) {
3412 			0, &vnode, NULL);
3420 		struct vnode *vnode = NULL;
3477 	if (path != NULL) {
3480 		if (lastSlash != NULL) {
3539 	if (descriptor == NULL)
3631 	if (descriptor == NULL)
3651 	if (descriptor == NULL)
3679 	if (descriptor == NULL)
3707 	status = fd_and_path_to_vnode(fd, path, false, &vnode, NULL, kernel);
3761 	status = path_to_vnode(toPath, true, &vnode, NULL, kernel);
3814 	status = path_to_vnode(path, true, &vnode, NULL, kernel);
3913 	status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &vnode, NULL, kernel);
3939 	status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &vnode, NULL, kernel);
3962 	status = fd_and_path_to_vnode(fd, path, true, &vnode, NULL, kernel);
3993 	if (vnode != NULL) {
4036 	if (name == NULL || *name == '\0')
4040 	if (vnode == NULL)
4052 	if ((status = get_new_fd(FDTYPE_ATTR, NULL, vnode, cookie, openMode, kernel)) >= 0)
4074 	if (name == NULL || *name == '\0')
4078 	if (vnode == NULL)
4091 	if ((status = get_new_fd(FDTYPE_ATTR, NULL, vnode, cookie, openMode, kernel)) >= 0)
4123 	if (vnode != NULL) {
4236 	if (name == NULL || *name == '\0')
4242 	if (descriptor == NULL)
4263 	if (fromName == NULL || *fromName == '\0' || toName == NULL || *toName == '\0')
4269 	if (fromDescriptor == NULL)
4273 	if (toDescriptor == NULL) {
4320 	status = get_new_fd(FDTYPE_INDEX_DIR, mount, NULL, cookie, 0, kernel);
4353 	if (mount != NULL) {
4484 	status = get_new_fd(FDTYPE_QUERY, mount, NULL, cookie, 0, kernel);
4517 	if (mount != NULL) {
4565 	// A NULL fsName is OK, if a device was given and the FS is not virtual.
4567 	if (fsName == NULL) {
4593 	if (mount == NULL)
4597 	if (mount->volume == NULL) {
4605 	if (mount->fs_name == NULL) {
4611 		// "device" can be NULL
4614 	if (mount->fs == NULL) {
4623 	mount->root_vnode = NULL;
4624 	mount->covers_vnode = NULL;
4630 	mount->volume->private_volume = NULL;
4631 	mount->volume->ops = NULL;
4632 	mount->volume->sub_volume = NULL;
4633 	mount->volume->super_volume = NULL;
4658 		status = path_to_vnode(path, true, &coveredVnode, NULL, kernel);
4690 	if (mount->root_vnode == NULL || mount->root_vnode->ref_count != 1) {
4742 	err = path_to_vnode(path, true, &vnode, NULL, kernel);
4769 		vnode = NULL;
4770 		while ((vnode = (struct vnode *)list_get_next_item(&mount->vnodes, vnode)) != NULL) {
4811 		disconnect_mount_or_vnode_fds(mount, NULL);
4821 	while ((vnode = (struct vnode *)list_get_next_item(&mount->vnodes, vnode)) != NULL) {
4837 	mount->covers_vnode->covered_by = NULL;
4844 	while ((vnode = (struct vnode *)list_get_first_item(&mount->vnodes)) != NULL) {
4883 	struct vnode *previousVnode = NULL;
4892 		if (vnode != NULL)
4897 		if (vnode == NULL)
4903 			if (previousVnode != NULL)
4919 	if (previousVnode != NULL)
4945 		if (mount->device_name != NULL) {
4980 	struct fs_mount *mount = NULL;
4992 		if (mount != NULL && mount->volume->private_volume != NULL)
4998 	if (mount != NULL)
5034 	struct vnode *vnode = NULL;
5042 	status = fd_and_path_to_vnode(fd, path, true, &vnode, NULL, kernel);
5107 	if (info == NULL)
5117 	if (info == NULL)
5166  *	\param path The absolute or relative path. May be \c NULL.
5189  *	The supplied name may be \c NULL, in which case directory identified
5200  *	\param name The entry name of the directory to be opened. If \c NULL,
5222  *	\param path The absolute or relative path. May be \c NULL.
5282  *	\param path The absolute or relative path. Must not be \c NULL.
5310 	return dir_remove(fd, NULL, true);
5326  *	\param path The absolute or relative path. May be \c NULL.
5345 	return common_read_link(fd, NULL, buffer, _bufferSize, true);
5358  *	\param toPath The absolute or relative path. Must not be \c NULL.
5405  *	\param path The absolute or relative path. Must not be \c NULL.
5432  *		   be \c NULL.
5435  *		   be \c NULL.
5475  *	\param path The absolute or relative path. Must not be \c NULL.
5489 	fssh_struct_stat *originalStat = NULL;
5513 		if (descriptor == NULL)
5524 	if (status == FSSH_B_OK && originalStat != NULL)
5542  *	\param path The absolute or relative path. Must not be \c NULL.
5583 		if (descriptor == NULL)
5605 	if (path != NULL)
5608 	return attr_dir_open(fd, path ? pathBuffer.LockBuffer() : NULL, true);
5685 	if (path != NULL)
5688 	return set_cwd(fd, path != NULL ? pathBuffer.LockBuffer() : NULL, true);
5708 	if (fsModule == NULL) {