dirent.h revision 23654
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 341539Srgrimes */ 351539Srgrimes 361539Srgrimes#ifndef _DIRENT_H_ 371539Srgrimes#define _DIRENT_H_ 381539Srgrimes 391539Srgrimes/* 408858Srgrimes * The kernel defines the format of directory entries returned by 411539Srgrimes * the getdirentries(2) system call. 421539Srgrimes */ 431539Srgrimes#include <sys/dirent.h> 441539Srgrimes 451539Srgrimes#ifdef _POSIX_SOURCE 461539Srgrimestypedef void * DIR; 471539Srgrimes#else 481539Srgrimes 491539Srgrimes#define d_ino d_fileno /* backward compatibility */ 501539Srgrimes 511539Srgrimes/* definitions for library routines operating on directories. */ 521539Srgrimes#define DIRBLKSIZ 1024 531539Srgrimes 541539Srgrimes/* structure describing an open directory. */ 551539Srgrimestypedef struct _dirdesc { 561539Srgrimes int dd_fd; /* file descriptor associated with directory */ 571539Srgrimes long dd_loc; /* offset in current buffer */ 581539Srgrimes long dd_size; /* amount of data returned by getdirentries */ 591539Srgrimes char *dd_buf; /* data buffer */ 601539Srgrimes int dd_len; /* size of data buffer */ 611539Srgrimes long dd_seek; /* magic cookie returned by getdirentries */ 621539Srgrimes long dd_rewind; /* magic cookie for rewinding */ 6323654Speter int dd_flags; /* flags for readdir */ 641539Srgrimes} DIR; 651539Srgrimes 661539Srgrimes#define dirfd(dirp) ((dirp)->dd_fd) 671539Srgrimes 6823654Speter/* flags for opendir2 */ 6923654Speter#define DTF_HIDEW 0x0001 /* hide whiteout entries */ 7023654Speter#define DTF_NODUP 0x0002 /* don't return duplicate names */ 7123654Speter#define DTF_REWIND 0x0004 /* rewind after reading union stack */ 7223654Speter#define __DTF_READALL 0x0008 /* everything has been read */ 7323654Speter 741539Srgrimes#ifndef NULL 751539Srgrimes#define NULL 0 761539Srgrimes#endif 771539Srgrimes 781539Srgrimes#endif /* _POSIX_SOURCE */ 791539Srgrimes 801539Srgrimes#ifndef KERNEL 811539Srgrimes 821539Srgrimes#include <sys/cdefs.h> 831539Srgrimes 841539Srgrimes__BEGIN_DECLS 851539SrgrimesDIR *opendir __P((const char *)); 861539Srgrimesstruct dirent *readdir __P((DIR *)); 871539Srgrimesvoid rewinddir __P((DIR *)); 881539Srgrimesint closedir __P((DIR *)); 891539Srgrimes#ifndef _POSIX_SOURCE 9023654SpeterDIR *__opendir2 __P((const char *, int)); 911539Srgrimeslong telldir __P((const DIR *)); 921539Srgrimesvoid seekdir __P((DIR *, long)); 931539Srgrimesint scandir __P((const char *, struct dirent ***, 941539Srgrimes int (*)(struct dirent *), int (*)(const void *, const void *))); 951539Srgrimesint alphasort __P((const void *, const void *)); 961539Srgrimesint getdirentries __P((int, char *, int, long *)); 971539Srgrimes#endif /* not POSIX */ 981539Srgrimes__END_DECLS 991539Srgrimes 1001539Srgrimes#endif /* !KERNEL */ 1011539Srgrimes 1021539Srgrimes#endif /* !_DIRENT_H_ */ 103