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