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/*
* Copyright (C) 2012 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
/**
* @file sys/xattr.h
* @brief Extended attribute functions.
*/
#include <linux/xattr.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
/**
* [fsetxattr(2)](http://man7.org/linux/man-pages/man2/fsetxattr.2.html)
* sets an extended attribute on the file referred to by the given file
* descriptor.
*
* Valid flags are `XATTR_CREATE` and `XATTR_REPLACE`.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int fsetxattr(int __fd, const char* __name, const void* __value, size_t __size, int __flags);
/**
* [setxattr(2)](http://man7.org/linux/man-pages/man2/setxattr.2.html)
* sets an extended attribute on the file referred to by the given path.
*
* Valid flags are `XATTR_CREATE` and `XATTR_REPLACE`.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int setxattr(const char* __path, const char* __name, const void* __value, size_t __size, int __flags);
/**
* [lsetxattr(2)](http://man7.org/linux/man-pages/man2/lsetxattr.2.html)
* sets an extended attribute on the file referred to by the given path, which
* is the link itself rather than its target in the case of a symbolic link.
*
* Valid flags are `XATTR_CREATE` and `XATTR_REPLACE`.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int lsetxattr(const char* __path, const char* __name, const void* __value, size_t __size, int __flags);
/**
* [fgetxattr(2)](http://man7.org/linux/man-pages/man2/fgetxattr.2.html)
* gets an extended attribute on the file referred to by the given file
* descriptor.
*
* Returns the non-negative length of the value on success, or
* returns -1 and sets `errno` on failure.
*/
ssize_t fgetxattr(int __fd, const char* __name, void* __value, size_t __size);
/**
* [getxattr(2)](http://man7.org/linux/man-pages/man2/getxattr.2.html)
* gets an extended attribute on the file referred to by the given path.
*
* Returns the non-negative length of the value on success, or
* returns -1 and sets `errno` on failure.
*/
ssize_t getxattr(const char* __path, const char* __name, void* __value, size_t __size);
/**
* [lgetxattr(2)](http://man7.org/linux/man-pages/man2/lgetxattr.2.html)
* gets an extended attribute on the file referred to by the given path, which
* is the link itself rather than its target in the case of a symbolic link.
*
* Returns the non-negative length of the value on success, or
* returns -1 and sets `errno` on failure.
*/
ssize_t lgetxattr(const char* __path, const char* __name, void* __value, size_t __size);
/**
* [flistxattr(2)](http://man7.org/linux/man-pages/man2/flistxattr.2.html)
* lists the extended attributes on the file referred to by the given file
* descriptor.
*
* Returns the non-negative length of the list on success, or
* returns -1 and sets `errno` on failure.
*/
ssize_t flistxattr(int __fd, char* __list, size_t __size);
/**
* [listxattr(2)](http://man7.org/linux/man-pages/man2/listxattr.2.html)
* lists the extended attributes on the file referred to by the given path.
*
* Returns the non-negative length of the list on success, or
* returns -1 and sets `errno` on failure.
*/
ssize_t listxattr(const char* __path, char* __list, size_t __size);
/**
* [llistxattr(2)](http://man7.org/linux/man-pages/man2/llistxattr.2.html)
* lists the extended attributes on the file referred to by the given path, which
* is the link itself rather than its target in the case of a symbolic link.
*
* Returns the non-negative length of the list on success, or
* returns -1 and sets `errno` on failure.
*/
ssize_t llistxattr(const char* __path, char* __list, size_t __size);
/**
* [fremovexattr(2)](http://man7.org/linux/man-pages/man2/fremovexattr.2.html)
* removes an extended attribute on the file referred to by the given file
* descriptor.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int fremovexattr(int __fd, const char* __name);
/**
* [lremovexattr(2)](http://man7.org/linux/man-pages/man2/lremovexattr.2.html)
* removes an extended attribute on the file referred to by the given path, which
* is the link itself rather than its target in the case of a symbolic link.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int lremovexattr(const char* __path, const char* __name);
/**
* [removexattr(2)](http://man7.org/linux/man-pages/man2/removexattr.2.html)
* removes an extended attribute on the file referred to by the given path.
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
int removexattr(const char* __path, const char* __name);
__END_DECLS