dirent.h revision 103111
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1989, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 131539Srgrimes * 3. All advertising materials mentioning features or use of this software 141539Srgrimes * must display the following acknowledgement: 151539Srgrimes * This product includes software developed by the University of 161539Srgrimes * California, Berkeley and its contributors. 171539Srgrimes * 4. Neither the name of the University nor the names of its contributors 181539Srgrimes * may be used to endorse or promote products derived from this software 191539Srgrimes * without specific prior written permission. 201539Srgrimes * 211539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311539Srgrimes * SUCH DAMAGE. 321539Srgrimes * 3323654Speter * @(#)dirent.h 8.2 (Berkeley) 7/28/94 3453812Salfred * $FreeBSD: head/include/dirent.h 103111 2002-09-09 03:52:43Z mike $ 351539Srgrimes */ 361539Srgrimes 371539Srgrimes#ifndef _DIRENT_H_ 381539Srgrimes#define _DIRENT_H_ 391539Srgrimes 401539Srgrimes/* 418858Srgrimes * The kernel defines the format of directory entries returned by 421539Srgrimes * the getdirentries(2) system call. 431539Srgrimes */ 441539Srgrimes#include <sys/dirent.h> 451539Srgrimes 461539Srgrimes#ifdef _POSIX_SOURCE 471539Srgrimestypedef void * DIR; 481539Srgrimes#else 491539Srgrimes 501539Srgrimes#define d_ino d_fileno /* backward compatibility */ 511539Srgrimes 521539Srgrimes/* definitions for library routines operating on directories. */ 531539Srgrimes#define DIRBLKSIZ 1024 541539Srgrimes 5569841Sdeischenstruct _telldir; /* see telldir.h */ 5669655Sdeischen 571539Srgrimes/* structure describing an open directory. */ 581539Srgrimestypedef struct _dirdesc { 591539Srgrimes int dd_fd; /* file descriptor associated with directory */ 601539Srgrimes long dd_loc; /* offset in current buffer */ 611539Srgrimes long dd_size; /* amount of data returned by getdirentries */ 621539Srgrimes char *dd_buf; /* data buffer */ 631539Srgrimes int dd_len; /* size of data buffer */ 641539Srgrimes long dd_seek; /* magic cookie returned by getdirentries */ 651539Srgrimes long dd_rewind; /* magic cookie for rewinding */ 6623654Speter int dd_flags; /* flags for readdir */ 6771580Sdeischen void *dd_lock; /* hack to avoid including <pthread.h> */ 6869841Sdeischen struct _telldir *dd_td; /* telldir position recording */ 691539Srgrimes} DIR; 701539Srgrimes 711539Srgrimes#define dirfd(dirp) ((dirp)->dd_fd) 721539Srgrimes 7323654Speter/* flags for opendir2 */ 7423654Speter#define DTF_HIDEW 0x0001 /* hide whiteout entries */ 7523654Speter#define DTF_NODUP 0x0002 /* don't return duplicate names */ 7623654Speter#define DTF_REWIND 0x0004 /* rewind after reading union stack */ 7723654Speter#define __DTF_READALL 0x0008 /* everything has been read */ 7823654Speter 791539Srgrimes#ifndef NULL 801539Srgrimes#define NULL 0 811539Srgrimes#endif 821539Srgrimes 831539Srgrimes#endif /* _POSIX_SOURCE */ 841539Srgrimes 8555206Speter#ifndef _KERNEL 861539Srgrimes 871539Srgrimes#include <sys/cdefs.h> 881539Srgrimes 891539Srgrimes__BEGIN_DECLS 90103111SmikeDIR *opendir(const char *); 91103111Smikestruct dirent * 92103111Smike readdir(DIR *); 93103111Smikevoid rewinddir(DIR *); 94103111Smikeint closedir(DIR *); 951539Srgrimes#ifndef _POSIX_SOURCE 96103111SmikeDIR *__opendir2(const char *, int); 97103111Smikelong telldir(DIR *); 98103111Smikevoid seekdir(DIR *, long); 99103111Smikeint scandir(const char *, struct dirent ***, 100103111Smike int (*)(struct dirent *), int (*)(const void *, const void *)); 101103111Smikeint alphasort(const void *, const void *); 102103111Smikeint getdents(int, char *, int); 103103111Smikeint getdirentries(int, char *, int, long *); 104103111Smikeint readdir_r(DIR *, struct dirent *, struct dirent **); 1051539Srgrimes#endif /* not POSIX */ 1061539Srgrimes__END_DECLS 1071539Srgrimes 10855206Speter#endif /* !_KERNEL */ 1091539Srgrimes 1101539Srgrimes#endif /* !_DIRENT_H_ */ 111