/* * Copyright (c) 2008 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _FSGETPATH_H_ #define _FSGETPATH_H_ #include <sys/types.h> #include <sys/mount.h> #ifdef __APPLE_API_PRIVATE #ifndef KERNEL __BEGIN_DECLS #include <sys/syscall.h> #include <unistd.h> /* * Obtain the full pathname of a file system object by id. * * This is a private SPI used by the File Manager. * * ssize_t fsgetpath_np(char *restrict buf, size_t bufsize, fsid_t fsid, uint64_t objid); */ #define fsgetpath(buf, bufsize, fsid, objid) \ (ssize_t)syscall(SYS_fsgetpath, buf, (size_t)bufsize, fsid, (uint64_t)objid) /* * openbyid_np: open a file given a file system id and a file system object id * * fsid : value corresponding to getattlist ATTR_CMN_FSID attribute, or * value of stat's st.st_dev ; set fsid = {st.st_dev, 0} * * objid: value (link id/node id) corresponding to getattlist ATTR_CMN_OBJID * attribute , or * value of stat's st.st_ino (node id); set objid = st.st_ino * * For hfs the value of getattlist ATTR_CMN_FSID is a link id which uniquely identifies a * parent in the case of hard linked files; this allows unique path access validation. * Not all file systems support getattrlist ATTR_CMN_OBJID (link id). * A node id does not uniquely identify a parent in the case of hard linked files and may * resolve to a path for which access validation can fail. */ int openbyid_np(fsid_t* fsid, fsobj_id_t* objid, int flags); __END_DECLS #endif /* KERNEL */ #endif /* __APPLE_API_PRIVATE */ #endif /* !_FSGETPATH_H_ */