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97 lines
3.4 KiB
C
97 lines
3.4 KiB
C
/*-
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* Copyright (c) 1989 The Regents of the University of California.
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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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* 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 5.18 (Berkeley) 2/23/91
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*/
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#ifndef _DIRENT_H_
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#define _DIRENT_H_
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#include <sys/dirent.h>
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#include <pthread.h>
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struct __dirent {
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struct __dirent * next;
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struct dirent data;
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pthread_t owner;
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};
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/* definitions for library routines operating on directories. */
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#define DIRBLKSIZ 1024
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/* structure describing an open directory. */
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typedef struct _dirdesc {
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struct __dirent * dd_dp; /* Linked list of struct __dirent pointer */
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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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void * dd_ddloc; /* Linked list of ddloc structs for telldir/seekdir */
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pthread_mutex_t *dd_lock; /* Lock for open directory structure */
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} DIR;
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#define dirfd(dirp) ((dirp)->dd_fd)
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef KERNEL
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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DIR * opendir __P_((const char *));
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struct dirent * readdir __P_((DIR *));
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int readdir_r __P_((DIR *, struct dirent *, struct dirent **));
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void rewinddir __P_((DIR *));
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int closedir __P_((DIR *));
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#ifndef _POSIX_SOURCE
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long telldir __P_((DIR *));
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void seekdir __P_((DIR *, long));
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/*
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int scandir __P_((const char *, struct dirent ***,
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int (*)(struct dirent *),
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int (*)(const void *, const void *)));
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int alphasort __P_((const void *, const void *));
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int getdirentries __P_((int, char *, int, long *));
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*/
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#endif /* not POSIX */
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__END_DECLS
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#endif /* !KERNEL */
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#endif /* !_DIRENT_H_ */
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