1 /** $MirOS: src/include/dirent.h,v 1.5 2013/10/31 20:06:07 tg Exp $ */ 2 /* $OpenBSD: dirent.h,v 1.14 2005/06/18 18:09:42 millert Exp $ */ 3 /* $NetBSD: dirent.h,v 1.9 1995/03/26 20:13:37 jtc Exp $ */ 4 5 /*- 6 * Copyright © 2013 7 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 8 * Copyright (c) 1989, 1993 9 * The Regents of the University of California. All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)dirent.h 8.2 (Berkeley) 7/28/94 36 */ 37 38 #ifndef _DIRENT_H_ 39 #define _DIRENT_H_ 40 41 /* 42 * POSIX doesn't mandate this, but X/Open XPG 4.2 does. 43 */ 44 #ifndef _POSIX_SOURCE 45 #include <sys/types.h> 46 #endif 47 48 /* 49 * The kernel defines the format of directory entries returned by 50 * the getdirentries(2) system call. 51 */ 52 #include <sys/dirent.h> 53 54 #ifdef _POSIX_SOURCE 55 typedef void * DIR; 56 #else 57 58 #define d_ino d_fileno /* backward compatibility */ 59 60 /* definitions for library routines operating on directories. */ 61 #define DIRBLKSIZ 1024 62 63 /* structure describing an open directory. */ 64 typedef struct _dirdesc { 65 int dd_fd; /* file descriptor associated with directory */ 66 long dd_loc; /* offset in current buffer */ 67 long dd_size; /* amount of data returned by getdirentries */ 68 char *dd_buf; /* data buffer */ 69 int dd_len; /* size of data buffer */ 70 long dd_seek; /* magic cookie returned by getdirentries */ 71 long dd_rewind; /* magic cookie for rewinding */ 72 int dd_flags; /* flags for readdir */ 73 } DIR; 74 75 #define dirfd(dirp) ((dirp)->dd_fd) 76 77 /* flags for opendir2 */ 78 #define DTF_NODUP 0x0002 /* don't return duplicate names */ 79 #define __DTF_READALL 0x0008 /* everything has been read */ 80 81 #ifndef NULL 82 #ifdef __GNUG__ 83 #define NULL __null 84 #elif defined(lint) 85 #define NULL 0 86 #else 87 #define NULL ((void *)((__PTRDIFF_TYPE__)0UL)) 88 #endif 89 #endif 90 91 #endif /* _POSIX_SOURCE */ 92 93 #ifndef _KERNEL 94 95 #include <sys/cdefs.h> 96 97 __BEGIN_DECLS 98 DIR *opendir(const char *); 99 struct dirent *readdir(DIR *); 100 void rewinddir(DIR *); 101 int closedir(DIR *); 102 #ifndef _POSIX_SOURCE 103 DIR *__opendir2(const char *, int); 104 long telldir(const DIR *); 105 void seekdir(DIR *, long); 106 int scandir(const char *, struct dirent ***, 107 int (*)(struct dirent *), int (*)(const void *, const void *)); 108 int alphasort(const void *, const void *); 109 int getdirentries(int, char *, int, long *) 110 __attribute__((__bounded__(__string__, 2, 3))); 111 #endif /* not POSIX */ 112 int readdir_r(DIR *, struct dirent *, struct dirent **); 113 __END_DECLS 114 115 #endif /* !_KERNEL */ 116 117 #endif /* !_DIRENT_H_ */ 118