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 49 typedef __size_t size_t; 50 #define _SIZE_T_DECLARED 51 #endif 52 53 #ifndef _SSIZE_T_DECLARED 54 typedef __ssize_t ssize_t; 55 #define _SSIZE_T_DECLARED 56 #endif 57 58 #ifndef _OFF_T_DECLARED 59 typedef __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 68 typedef __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 87 struct _dirdesc; 88 typedef 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 99 typedef void * DIR; 100 101 #endif /* __BSD_VISIBLE */ 102 103 #ifndef _KERNEL 104 105 __BEGIN_DECLS 106 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 107 int alphasort(const struct dirent **, const struct dirent **); 108 int dirfd(DIR *); 109 #endif 110 #if __BSD_VISIBLE 111 int versionsort(const struct dirent **, const struct dirent **); 112 DIR *__opendir2(const char *, int); 113 int fdclosedir(DIR *); 114 ssize_t getdents(int, char *, size_t); 115 ssize_t getdirentries(int, char *, size_t, off_t *); 116 #endif 117 DIR *opendir(const char *); 118 DIR *fdopendir(int); 119 struct dirent * 120 readdir(DIR *); 121 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500 122 int readdir_r(DIR *, struct dirent *, struct dirent **); 123 #endif 124 void rewinddir(DIR *); 125 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 126 int scandir(const char *, struct dirent ***, 127 int (*)(const struct dirent *), int (*)(const struct dirent **, 128 const struct dirent **)); 129 #ifdef __BLOCKS__ 130 int scandir_b(const char *, struct dirent ***, 131 int (^)(const struct dirent *), 132 int (^)(const struct dirent **, const struct dirent **)); 133 #endif 134 #endif 135 #if __BSD_VISIBLE 136 int scandirat(int, const char *, struct dirent ***, 137 int (*)(const struct dirent *), int (*)(const struct dirent **, 138 const struct dirent **)); 139 #endif 140 #if __XSI_VISIBLE 141 void seekdir(DIR *, long); 142 long telldir(DIR *); 143 #endif 144 int closedir(DIR *); 145 __END_DECLS 146 147 #endif /* !_KERNEL */ 148 149 #endif /* !_DIRENT_H_ */ 150