1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)dirent.h 8.2 (Berkeley) 7/28/94 32 * $FreeBSD$ 33 */ 34 35#ifndef _DIRENT_H_ 36#define _DIRENT_H_ 37 38/* 39 * The kernel defines the format of directory entries returned by 40 * the getdirentries(2) system call. 41 */ 42#include <sys/cdefs.h> 43#include <sys/_types.h> 44#include <sys/dirent.h> 45 46#if __BSD_VISIBLE 47 48#ifndef _SIZE_T_DECLARED 49typedef __size_t size_t; 50#define _SIZE_T_DECLARED 51#endif 52 53#ifndef _SSIZE_T_DECLARED 54typedef __ssize_t ssize_t; 55#define _SSIZE_T_DECLARED 56#endif 57 58#ifndef _OFF_T_DECLARED 59typedef __off_t off_t; 60#define _OFF_T_DECLARED 61#endif 62 63#endif /* __BSD_VISIBLE */ 64 65#if __XSI_VISIBLE 66 67#ifndef _INO_T_DECLARED 68typedef __ino_t ino_t; 69#define _INO_T_DECLARED 70#endif 71 72/* 73 * XXX this is probably illegal in the __XSI_VISIBLE case, but brings us closer 74 * to the specification. 75 */ 76#define d_ino d_fileno /* backward and XSI compatibility */ 77 78#endif /* __XSI_VISIBLE */ 79 80#if __BSD_VISIBLE 81 82#include <sys/_null.h> 83 84/* definitions for library routines operating on directories. */ 85#define DIRBLKSIZ 1024 86 87struct _dirdesc; 88typedef struct _dirdesc DIR; 89 90/* flags for opendir2 */ 91#define DTF_HIDEW 0x0001 /* hide whiteout entries */ 92#define DTF_NODUP 0x0002 /* don't return duplicate names */ 93#define DTF_REWIND 0x0004 /* rewind after reading union stack */ 94#define __DTF_READALL 0x0008 /* everything has been read */ 95#define __DTF_SKIPREAD 0x0010 /* assume internal buffer is populated */ 96 97#else /* !__BSD_VISIBLE */ 98 99typedef void * DIR; 100 101#endif /* __BSD_VISIBLE */ 102 103#ifndef _KERNEL 104 105__BEGIN_DECLS 106#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 107int alphasort(const struct dirent **, const struct dirent **); 108int dirfd(DIR *); 109#endif 110#if __BSD_VISIBLE 111DIR *__opendir2(const char *, int); 112int fdclosedir(DIR *); 113ssize_t getdents(int, char *, size_t); 114ssize_t getdirentries(int, char *, size_t, off_t *); 115#endif 116DIR *opendir(const char *); 117DIR *fdopendir(int); 118struct dirent * 119 readdir(DIR *); 120#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500 121int readdir_r(DIR *, struct dirent *, struct dirent **); 122#endif 123void rewinddir(DIR *); 124#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 125int scandir(const char *, struct dirent ***, 126 int (*)(const struct dirent *), int (*)(const struct dirent **, 127 const struct dirent **)); 128#ifdef __BLOCKS__ 129int scandir_b(const char *, struct dirent ***, 130 int (^)(const struct dirent *), 131 int (^)(const struct dirent **, const struct dirent **)); 132#endif 133#endif 134#if __XSI_VISIBLE 135void seekdir(DIR *, long); 136long telldir(DIR *); 137#endif 138int closedir(DIR *); 139__END_DECLS 140 141#endif /* !_KERNEL */ 142 143#endif /* !_DIRENT_H_ */ 144