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124 lines
4.1 KiB
C
124 lines
4.1 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. 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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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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* @(#)dirent.h 8.2 (Berkeley) 7/28/94
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* $FreeBSD$
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*/
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#ifndef _DIRENT_H_
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#define _DIRENT_H_
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/*
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* The kernel defines the format of directory entries returned by
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* the getdirentries(2) system call.
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*/
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#include <sys/cdefs.h>
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#include <sys/dirent.h>
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#if __BSD_VISIBLE || __XSI_VISIBLE
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/*
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* XXX this is probably illegal in the __XSI_VISIBLE case, but brings us closer
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* to the specification.
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*/
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#define d_ino d_fileno /* backward and XSI compatibility */
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#endif
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#if __BSD_VISIBLE
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/* definitions for library routines operating on directories. */
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#define DIRBLKSIZ 1024
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struct _telldir; /* see telldir.h */
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/* structure describing an open directory. */
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typedef struct _dirdesc {
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int dd_fd; /* file descriptor associated with directory */
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long dd_loc; /* offset in current buffer */
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long dd_size; /* amount of data returned by getdirentries */
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char *dd_buf; /* data buffer */
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int dd_len; /* size of data buffer */
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long dd_seek; /* magic cookie returned by getdirentries */
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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; /* hack to avoid including <pthread.h> */
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struct _telldir *dd_td; /* telldir position recording */
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} DIR;
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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 */
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#define DTF_NODUP 0x0002 /* don't return duplicate names */
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#define DTF_REWIND 0x0004 /* rewind after reading union stack */
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#define __DTF_READALL 0x0008 /* everything has been read */
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#ifndef NULL
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#define NULL 0
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#endif
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#else /* !__BSD_VISIBLE */
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typedef void * DIR;
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#endif /* __BSD_VISIBLE */
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#ifndef _KERNEL
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__BEGIN_DECLS
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#if __BSD_VISIBLE
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DIR *__opendir2(const char *, int);
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int alphasort(const void *, const void *);
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int getdents(int, char *, int);
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int getdirentries(int, char *, int, long *);
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#endif
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DIR *opendir(const char *);
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struct dirent *
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readdir(DIR *);
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#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
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int readdir_r(DIR *, struct dirent *, struct dirent **);
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#endif
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void rewinddir(DIR *);
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#if __BSD_VISIBLE
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int scandir(const char *, struct dirent ***,
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int (*)(struct dirent *), int (*)(const void *, const void *));
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#endif
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#if __XSI_VISIBLE
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void seekdir(DIR *, long);
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long telldir(DIR *);
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#endif
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int closedir(DIR *);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_DIRENT_H_ */
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