1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)dirent.h 8.2 (Berkeley) 7/28/94 34 * $FreeBSD: src/include/dirent.h,v 1.7 1999/12/29 05:01:20 peter Exp $ 35 * $DragonFly: src/include/dirent.h,v 1.4 2005/01/31 22:28:58 dillon Exp $ 36 */ 37 38 #ifndef _DIRENT_H_ 39 #define _DIRENT_H_ 40 41 /* 42 * The kernel defines the format of directory entries returned by 43 * the getdirentries(2) system call. 44 */ 45 #include <sys/dirent.h> 46 47 #ifdef _POSIX_SOURCE 48 typedef void * DIR; 49 #else 50 51 #define d_ino d_fileno /* backward compatibility */ 52 53 /* definitions for library routines operating on directories. */ 54 #define DIRBLKSIZ 1024 55 56 /* structure describing an open directory. */ 57 typedef struct _dirdesc { 58 int dd_fd; /* file descriptor associated with directory */ 59 long dd_loc; /* offset in current buffer */ 60 long dd_size; /* amount of data returned by getdirentries */ 61 char *dd_buf; /* data buffer */ 62 int dd_len; /* size of data buffer */ 63 long dd_seek; /* magic cookie returned by getdirentries */ 64 long dd_rewind; /* magic cookie for rewinding */ 65 int dd_flags; /* flags for readdir */ 66 void *dd_lock; /* hack to avoid include <pthread.h> */ 67 } DIR; 68 69 #define dirfd(dirp) ((dirp)->dd_fd) 70 71 /* flags for opendir2 */ 72 #define DTF_HIDEW 0x0001 /* hide whiteout entries */ 73 #define DTF_NODUP 0x0002 /* don't return duplicate names */ 74 #define DTF_REWIND 0x0004 /* rewind after reading union stack */ 75 #define __DTF_READALL 0x0008 /* everything has been read */ 76 77 #ifndef NULL 78 #define NULL 0 79 #endif 80 81 #endif /* _POSIX_SOURCE */ 82 83 #ifndef _KERNEL 84 85 #include <sys/cdefs.h> 86 87 __BEGIN_DECLS 88 DIR *opendir (const char *); 89 struct dirent *readdir (DIR *); 90 void rewinddir (DIR *); 91 int closedir (DIR *); 92 #ifndef _POSIX_SOURCE 93 DIR *__opendir2 (const char *, int); 94 long telldir (const DIR *); 95 struct dirent *_readdir_unlocked(DIR *); 96 void _reclaim_telldir(DIR *); 97 void _seekdir (DIR *, long); 98 int scandir (const char *, struct dirent ***, 99 int (*)(struct dirent *), int (*)(const void *, const void *)); 100 int alphasort (const void *, const void *); 101 int getdents (int, char *, int); 102 int getdirentries (int, char *, int, long *); 103 int readdir_r (DIR *, struct dirent *, struct dirent **); 104 #endif /* not POSIX */ 105 __END_DECLS 106 107 #endif /* !_KERNEL */ 108 109 #endif /* !_DIRENT_H_ */ 110