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 32 #ifndef _DIRENT_H_ 33 #define _DIRENT_H_ 34 35 /* 36 * The kernel defines the format of directory entries returned by 37 * the getdirentries(2) system call. 38 */ 39 #include <sys/cdefs.h> 40 #include <sys/_types.h> 41 #include <sys/dirent.h> 42 43 #if __BSD_VISIBLE 44 45 #ifndef _SIZE_T_DECLARED 46 typedef __size_t size_t; 47 #define _SIZE_T_DECLARED 48 #endif 49 50 #ifndef _SSIZE_T_DECLARED 51 typedef __ssize_t ssize_t; 52 #define _SSIZE_T_DECLARED 53 #endif 54 55 #ifndef _OFF_T_DECLARED 56 typedef __off_t off_t; 57 #define _OFF_T_DECLARED 58 #endif 59 60 #endif /* __BSD_VISIBLE */ 61 62 #if __XSI_VISIBLE 63 64 #ifndef _INO_T_DECLARED 65 typedef __ino_t ino_t; 66 #define _INO_T_DECLARED 67 #endif 68 69 /* 70 * XXX this is probably illegal in the __XSI_VISIBLE case, but brings us closer 71 * to the specification. 72 */ 73 #define d_ino d_fileno /* backward and XSI compatibility */ 74 75 #endif /* __XSI_VISIBLE */ 76 77 #if __BSD_VISIBLE 78 79 #include <sys/_null.h> 80 81 /* definitions for library routines operating on directories. */ 82 #define DIRBLKSIZ 1024 83 84 struct _dirdesc; 85 typedef struct _dirdesc DIR; 86 87 /* flags for opendir2 */ 88 #define DTF_HIDEW 0x0001 /* hide whiteout entries */ 89 #define DTF_NODUP 0x0002 /* don't return duplicate names */ 90 #define DTF_REWIND 0x0004 /* rewind after reading union stack */ 91 #define __DTF_READALL 0x0008 /* everything has been read */ 92 #define __DTF_SKIPREAD 0x0010 /* assume internal buffer is populated */ 93 94 #else /* !__BSD_VISIBLE */ 95 96 typedef void * DIR; 97 98 #endif /* __BSD_VISIBLE */ 99 100 #ifndef _KERNEL 101 102 __BEGIN_DECLS 103 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 104 int alphasort(const struct dirent **, const struct dirent **); 105 int dirfd(DIR *); 106 #endif 107 #if __BSD_VISIBLE 108 int versionsort(const struct dirent **, const struct dirent **); 109 DIR *__opendir2(const char *, int); 110 int fdclosedir(DIR *); 111 ssize_t getdents(int, char *, size_t); 112 ssize_t getdirentries(int, char *, size_t, off_t *); 113 #endif 114 DIR *opendir(const char *); 115 DIR *fdopendir(int); 116 struct dirent * 117 readdir(DIR *); 118 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500 119 int readdir_r(DIR *, struct dirent *, struct dirent **); 120 #endif 121 void rewinddir(DIR *); 122 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 123 int scandir(const char *, struct dirent ***, 124 int (*)(const struct dirent *), int (*)(const struct dirent **, 125 const struct dirent **)); 126 #ifdef __BLOCKS__ 127 int scandir_b(const char *, struct dirent ***, 128 int (^)(const struct dirent *), 129 int (^)(const struct dirent **, const struct dirent **)); 130 #endif 131 #endif 132 #if __BSD_VISIBLE 133 int scandirat(int, const char *, struct dirent ***, 134 int (*)(const struct dirent *), int (*)(const struct dirent **, 135 const struct dirent **)); 136 #endif 137 #if __XSI_VISIBLE 138 void seekdir(DIR *, long); 139 long telldir(DIR *); 140 #endif 141 int closedir(DIR *); 142 __END_DECLS 143 144 #endif /* !_KERNEL */ 145 146 #endif /* !_DIRENT_H_ */ 147