xattr.h
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上传日期:2009-04-28
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- /* Copyright (C) 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _SYS_XATTR_H
- #define _SYS_XATTR_H 1
- #include <features.h>
- #include <sys/types.h>
- __BEGIN_DECLS
- /* The following constants should be used for the fifth parameter of
- `*setxattr'. */
- enum
- {
- XATTR_CREATE = 1, /* set value, fail if attr already exists. */
- #define XATTR_CREATE XATTR_CREATE
- XATTR_REPLACE = 2 /* set value, fail if attr does not exist. */
- #define XATTR_REPLACE XATTR_REPLACE
- };
- /* Set the attribute NAME of the file pointed to by PATH to VALUE (which
- is SIZE bytes long). Return 0 on success, -1 for errors. */
- extern int setxattr (__const char *__path, __const char *__name,
- __const void *__value, size_t __size, int __flags)
- __THROW;
- /* Set the attribute NAME of the file pointed to by PATH to VALUE (which is
- SIZE bytes long), not following symlinks for the last pathname component.
- Return 0 on success, -1 for errors. */
- extern int lsetxattr (__const char *__path, __const char *__name,
- __const void *__value, size_t __size, int __flags)
- __THROW;
- /* Set the attribute NAME of the file descriptor FD to VALUE (which is SIZE
- bytes long). Return 0 on success, -1 for errors. */
- extern int fsetxattr (int __fd, __const char *__name, __const void *__value,
- size_t __size, int __flags) __THROW;
- /* Get the attribute NAME of the file pointed to by PATH to VALUE (which is
- SIZE bytes long). Return 0 on success, -1 for errors. */
- extern ssize_t getxattr (__const char *__path, __const char *__name,
- void *__value, size_t __size) __THROW;
- /* Get the attribute NAME of the file pointed to by PATH to VALUE (which is
- SIZE bytes long), not following symlinks for the last pathname component.
- Return 0 on success, -1 for errors. */
- extern ssize_t lgetxattr (__const char *__path, __const char *__name,
- void *__value, size_t __size) __THROW;
- /* Get the attribute NAME of the file descriptor FD to VALUE (which is SIZE
- bytes long). Return 0 on success, -1 for errors. */
- extern ssize_t fgetxattr (int __fd, __const char *__name, void *__value,
- size_t __size) __THROW;
- /* List attributes of the file pointed to by PATH into the user-supplied
- buffer LIST (which is SIZE bytes big). Return 0 on success, -1 for
- errors. */
- extern ssize_t listxattr (__const char *__path, char *__list, size_t __size)
- __THROW;
- /* List attributes of the file pointed to by PATH into the user-supplied
- buffer LIST (which is SIZE bytes big), not following symlinks for the
- last pathname component. Return 0 on success, -1 for errors. */
- extern ssize_t llistxattr (__const char *__path, char *__list, size_t __size)
- __THROW;
- /* List attributes of the file descriptor FD into the user-supplied buffer
- LIST (which is SIZE bytes big). Return 0 on success, -1 for errors. */
- extern ssize_t flistxattr (int __fd, char *__list, size_t __size)
- __THROW;
- /* Remove the attribute NAME from the file pointed to by PATH. Return 0
- on success, -1 for errors. */
- extern int removexattr (__const char *__path, __const char *__name) __THROW;
- /* Remove the attribute NAME from the file pointed to by PATH, not
- following symlinks for the last pathname component. Return 0 on
- success, -1 for errors. */
- extern int lremovexattr (__const char *__path, __const char *__name) __THROW;
- /* Remove the attribute NAME from the file descriptor FD. Return 0 on
- success, -1 for errors. */
- extern int fremovexattr (int __fd, __const char *__name) __THROW;
- __END_DECLS
- #endif /* sys/xattr.h */