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