NetBSD/include/dirent.h

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/* $NetBSD: dirent.h,v 1.20 2003/05/28 20:04:12 christos Exp $ */
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/*-
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* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
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*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
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* @(#)dirent.h 8.2 (Berkeley) 7/28/94
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*/
#ifndef _DIRENT_H_
#define _DIRENT_H_
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#include <sys/featuretest.h>
#include <sys/types.h>
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/*
* The kernel defines the format of directory entries returned by
* the getdirentries(2) system call.
*/
#include <sys/dirent.h>
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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#define d_ino d_fileno /* backward compatibility */
#endif
typedef struct _dirdesc DIR;
#if defined(_NETBSD_SOURCE)
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/* definitions for library routines operating on directories. */
#define DIRBLKSIZ 1024
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/* structure describing an open directory. */
struct _dirdesc {
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int dd_fd; /* file descriptor associated with directory */
long dd_loc; /* offset in current buffer */
long dd_size; /* amount of data returned by getdents */
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char *dd_buf; /* data buffer */
int dd_len; /* size of data buffer */
off_t dd_seek; /* magic cookie returned by getdents */
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long dd_rewind; /* magic cookie for rewinding */
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int dd_flags; /* flags for readdir */
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void *dd_lock; /* lock for concurrent access */
};
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#define dirfd(dirp) ((dirp)->dd_fd)
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/* flags for __opendir2() */
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#define DTF_HIDEW 0x0001 /* hide whiteout entries */
#define DTF_NODUP 0x0002 /* don't return duplicate names */
#define DTF_REWIND 0x0004 /* rewind after reading union stack */
#define __DTF_READALL 0x0008 /* everything has been read */
#include <sys/null.h>
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#endif
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#ifndef _KERNEL
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#include <sys/cdefs.h>
__BEGIN_DECLS
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int closedir __P((DIR *));
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DIR *opendir __P((const char *));
struct dirent *readdir __P((DIR *));
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int readdir_r __P((DIR *, struct dirent * __restrict,
struct dirent ** __restrict));
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void rewinddir __P((DIR *));
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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void seekdir __P((DIR *, long));
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long telldir __P((const DIR *));
#endif /* defined(_NETBSD_SOURCE) || defined(_XOPEN_SOURCE) */
#if defined(_NETBSD_SOURCE)
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DIR *__opendir2 __P((const char *, int));
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void __seekdir __P((DIR *, long));
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int scandir __P((const char *, struct dirent ***,
int (*)(const struct dirent *), int (*)(const void *, const void *)));
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int alphasort __P((const void *, const void *));
int getdirentries __P((int, char *, int, long *));
int getdents __P((int, char *, size_t));
#endif /* defined(_NETBSD_SOURCE) */
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_DIRENT_H_ */