- if(!olddir || !newdir || !obj) {
- /* bad file */
- yaffsfs_SetError(-EBADF);
- rename_allowed = 0;
- } else if(obj->my_dev->read_only){
- yaffsfs_SetError(-EINVAL);
- rename_allowed = 0;
- } else if(olddir->my_dev != newdir->my_dev) {
- /* oops must be on same device */
- /* todo error */
- yaffsfs_SetError(-EXDEV);
- rename_allowed = 0;
- } else if(obj && obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
+ if (yaffsfs_CheckPath(oldPath) < 0 || yaffsfs_CheckPath(newPath) < 0) {
+ yaffsfs_SetError(-ENAMETOOLONG);
+ return -1;
+ }
+
+ if (yaffsfs_alt_dir_path(newPath, &alt_newpath) < 0) {
+ yaffsfs_SetError(-ENOMEM);
+ return -1;
+ }
+ if (alt_newpath)
+ newPath = alt_newpath;
+
+ yaffsfs_Lock();
+
+ olddir = yaffsfs_FindDirectory(NULL, oldPath, &oldname, 0,
+ ¬OldDir, &oldLoop);
+ newdir = yaffsfs_FindDirectory(NULL, newPath, &newname, 0,
+ ¬NewDir, &newLoop);
+ obj = yaffsfs_FindObject(NULL, oldPath, 0, 0, NULL, NULL, NULL);
+ newobj = yaffsfs_FindObject(NULL, newPath, 0, 0, NULL, NULL, NULL);
+
+ /* If the object being renamed is a directory and the
+ * path ended with a "/" then the olddir == obj.
+ * We pass through NULL for the old name to tell the lower layers
+ * to use olddir as the object.
+ */
+
+ if (olddir == obj)
+ oldname = NULL;
+
+ if ((!olddir && notOldDir) || (!newdir && notNewDir)) {
+ yaffsfs_SetError(-ENOTDIR);
+ rename_allowed = 0;
+ } else if (oldLoop || newLoop) {
+ yaffsfs_SetError(-ELOOP);
+ rename_allowed = 0;
+ } else if (olddir && oldname &&
+ yaffs_strncmp(oldname, _Y("."), 2) == 0) {
+ yaffsfs_SetError(-EINVAL);
+ rename_allowed = 0;
+ } else if (!olddir || !newdir || !obj) {
+ yaffsfs_SetError(-ENOENT);
+ rename_allowed = 0;
+ } else if (obj->my_dev->read_only) {
+ yaffsfs_SetError(-EROFS);
+ rename_allowed = 0;
+ } else if (yaffs_is_non_empty_dir(newobj)) {
+ yaffsfs_SetError(-ENOTEMPTY);
+ rename_allowed = 0;
+ } else if (olddir->my_dev != newdir->my_dev) {
+ /* Rename must be on same device */
+ yaffsfs_SetError(-EXDEV);
+ rename_allowed = 0;
+ } else if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {