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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)dirent.h 8.2 (Berkeley) 7/28/94 30 * $FreeBSD: src/include/dirent.h,v 1.7 1999/12/29 05:01:20 peter Exp $ 31 */ 32 33 #ifndef _DIRENT_H_ 34 #define _DIRENT_H_ 35 36 /* 37 * The kernel defines the format of directory entries returned by 38 * the getdirentries(2) system call. 39 */ 40 #include <sys/dirent.h> 41 42 #if __BSD_VISIBLE 43 44 /* definitions for library routines operating on directories. */ 45 #define DIRBLKSIZ 1024 46 47 struct _dirdesc; 48 typedef struct _dirdesc DIR; 49 50 /* flags for opendir2 */ 51 #define DTF_HIDEW 0x0001 /* hide whiteout entries */ 52 #define DTF_NODUP 0x0002 /* don't return duplicate names */ 53 #define DTF_REWIND 0x0004 /* rewind after reading union stack */ 54 #define __DTF_READALL 0x0008 /* everything has been read */ 55 #define __DTF_SKIPME 0x0010 /* next entry to read not current entry */ 56 57 #include <sys/_null.h> 58 59 #else /* !__BSD_VISIBLE */ 60 61 typedef void * DIR; 62 63 #endif /* __BSD_VISIBLE */ 64 65 #ifndef _KERNEL 66 67 #include <sys/cdefs.h> 68 69 __BEGIN_DECLS 70 DIR *opendir(const char *); 71 struct dirent * 72 readdir(DIR *); 73 void rewinddir(DIR *); 74 int closedir(DIR *); 75 #if __POSIX_VISIBLE >= 199506 76 int readdir_r(DIR * __restrict, struct dirent * __restrict, 77 struct dirent ** __restrict); 78 #endif 79 #if __POSIX_VISIBLE >= 200809 80 int alphasort(const struct dirent **, const struct dirent **); 81 int dirfd(DIR *); 82 DIR *fdopendir(int); 83 int scandir(const char *, struct dirent ***, 84 int (*)(const struct dirent *), 85 int (*)(const struct dirent **, const struct dirent **)); 86 #endif 87 #if __XSI_VISIBLE 88 void seekdir(DIR *, long); 89 long telldir(DIR *); 90 #endif 91 #if __BSD_VISIBLE 92 DIR *__opendir2(const char *, int); 93 DIR *__fdopendir2(int, int); 94 struct dirent * 95 _readdir_unlocked(DIR *, int); 96 void _reclaim_telldir(DIR *); 97 void _seekdir(DIR *, long); 98 int getdents(int, char *, int); 99 int getdirentries(int, char *, int, long *); 100 #endif /* __BSD_VISIBLE */ 101 __END_DECLS 102 103 #endif /* !_KERNEL */ 104 105 #endif /* !_DIRENT_H_ */ 106