dirent.h revision 55206
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 55206 1999-12-29 05:07:58Z peter $ 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 551539Srgrimes/* structure describing an open directory. */ 561539Srgrimestypedef struct _dirdesc { 571539Srgrimes int dd_fd; /* file descriptor associated with directory */ 581539Srgrimes long dd_loc; /* offset in current buffer */ 591539Srgrimes long dd_size; /* amount of data returned by getdirentries */ 601539Srgrimes char *dd_buf; /* data buffer */ 611539Srgrimes int dd_len; /* size of data buffer */ 621539Srgrimes long dd_seek; /* magic cookie returned by getdirentries */ 631539Srgrimes long dd_rewind; /* magic cookie for rewinding */ 6423654Speter int dd_flags; /* flags for readdir */ 651539Srgrimes} DIR; 661539Srgrimes 671539Srgrimes#define dirfd(dirp) ((dirp)->dd_fd) 681539Srgrimes 6923654Speter/* flags for opendir2 */ 7023654Speter#define DTF_HIDEW 0x0001 /* hide whiteout entries */ 7123654Speter#define DTF_NODUP 0x0002 /* don't return duplicate names */ 7223654Speter#define DTF_REWIND 0x0004 /* rewind after reading union stack */ 7323654Speter#define __DTF_READALL 0x0008 /* everything has been read */ 7423654Speter 751539Srgrimes#ifndef NULL 761539Srgrimes#define NULL 0 771539Srgrimes#endif 781539Srgrimes 791539Srgrimes#endif /* _POSIX_SOURCE */ 801539Srgrimes 8155206Speter#ifndef _KERNEL 821539Srgrimes 831539Srgrimes#include <sys/cdefs.h> 841539Srgrimes 851539Srgrimes__BEGIN_DECLS 861539SrgrimesDIR *opendir __P((const char *)); 871539Srgrimesstruct dirent *readdir __P((DIR *)); 881539Srgrimesvoid rewinddir __P((DIR *)); 891539Srgrimesint closedir __P((DIR *)); 901539Srgrimes#ifndef _POSIX_SOURCE 9123654SpeterDIR *__opendir2 __P((const char *, int)); 921539Srgrimeslong telldir __P((const DIR *)); 931539Srgrimesvoid seekdir __P((DIR *, long)); 941539Srgrimesint scandir __P((const char *, struct dirent ***, 951539Srgrimes int (*)(struct dirent *), int (*)(const void *, const void *))); 961539Srgrimesint alphasort __P((const void *, const void *)); 9755030Sbdeint getdents __P((int, char *, int)); 981539Srgrimesint getdirentries __P((int, char *, int, long *)); 9953892Salfredint readdir_r __P((DIR *, struct dirent *, struct dirent **)); 1001539Srgrimes#endif /* not POSIX */ 1011539Srgrimes__END_DECLS 1021539Srgrimes 10355206Speter#endif /* !_KERNEL */ 1041539Srgrimes 1051539Srgrimes#endif /* !_DIRENT_H_ */ 106