108 lines
3.8 KiB
C
108 lines
3.8 KiB
C
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/*
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* Copyright (c) 2004-2012 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _SYS_XATTR_H_
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#define _SYS_XATTR_H_
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#include <sys/types.h>
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/* Options for pathname based xattr calls */
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#define XATTR_NOFOLLOW 0x0001 /* Don't follow symbolic links */
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/* Options for setxattr calls */
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#define XATTR_CREATE 0x0002 /* set the value, fail if attr already exists */
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#define XATTR_REPLACE 0x0004 /* set the value, fail if attr does not exist */
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/* Set this to bypass authorization checking (eg. if doing auth-related work) */
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#define XATTR_NOSECURITY 0x0008
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/* Set this to bypass the default extended attribute file (dot-underscore file) */
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#define XATTR_NODEFAULT 0x0010
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/* option for f/getxattr() and f/listxattr() to expose the HFS Compression extended attributes */
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#define XATTR_SHOWCOMPRESSION 0x0020
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#define XATTR_MAXNAMELEN 127
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/* See the ATTR_CMN_FNDRINFO section of getattrlist(2) for details on FinderInfo */
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#define XATTR_FINDERINFO_NAME "com.apple.FinderInfo"
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#define XATTR_RESOURCEFORK_NAME "com.apple.ResourceFork"
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#ifdef KERNEL
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#ifdef KERNEL_PRIVATE
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#define XATTR_VNODE_SUPPORTED(vp) \
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((vp)->v_type == VREG || (vp)->v_type == VDIR || (vp)->v_type == VLNK || (vp)->v_type == VSOCK || (vp)->v_type == VFIFO)
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#endif
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__BEGIN_DECLS
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int xattr_protected(const char *);
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int xattr_validatename(const char *);
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/* Maximum extended attribute size supported by VFS */
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#define XATTR_MAXSIZE INT32_MAX
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#ifdef PRIVATE
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/* Maximum extended attribute size in an Apple Double file */
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#define AD_XATTR_MAXSIZE XATTR_MAXSIZE
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/* Number of bits used to represent the maximum size of
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* extended attribute stored in an Apple Double file.
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*/
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#define AD_XATTR_SIZE_BITS 31
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#endif /* PRIVATE */
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__END_DECLS
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#endif /* KERNEL */
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#ifndef KERNEL
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__BEGIN_DECLS
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ssize_t getxattr(const char *path, const char *name, void *value, size_t size, u_int32_t position, int options);
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ssize_t fgetxattr(int fd, const char *name, void *value, size_t size, u_int32_t position, int options);
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int setxattr(const char *path, const char *name, const void *value, size_t size, u_int32_t position, int options);
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int fsetxattr(int fd, const char *name, const void *value, size_t size, u_int32_t position, int options);
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int removexattr(const char *path, const char *name, int options);
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int fremovexattr(int fd, const char *name, int options);
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ssize_t listxattr(const char *path, char *namebuff, size_t size, int options);
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ssize_t flistxattr(int fd, char *namebuff, size_t size, int options);
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__END_DECLS
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#endif /* KERNEL */
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#endif /* _SYS_XATTR_H_ */
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