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/dirent.h> 42 43 #if __XSI_VISIBLE 44 /* 45 * XXX this is probably illegal in the __XSI_VISIBLE case, but brings us closer 46 * to the specification. 47 */ 48 #define d_ino d_fileno /* backward and XSI compatibility */ 49 #endif 50 51 #if __BSD_VISIBLE 52 53 #include <sys/_null.h> 54 55 /* definitions for library routines operating on directories. */ 56 #define DIRBLKSIZ 1024 57 58 struct _dirdesc; 59 typedef struct _dirdesc DIR; 60 61 /* flags for opendir2 */ 62 #define DTF_HIDEW 0x0001 /* hide whiteout entries */ 63 #define DTF_NODUP 0x0002 /* don't return duplicate names */ 64 #define DTF_REWIND 0x0004 /* rewind after reading union stack */ 65 #define __DTF_READALL 0x0008 /* everything has been read */ 66 #define __DTF_SKIPREAD 0x0010 /* assume internal buffer is populated */ 67 68 #else /* !__BSD_VISIBLE */ 69 70 typedef void * DIR; 71 72 #endif /* __BSD_VISIBLE */ 73 74 #ifndef _KERNEL 75 76 __BEGIN_DECLS 77 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 78 int alphasort(const struct dirent **, const struct dirent **); 79 int dirfd(DIR *); 80 #endif 81 #if __BSD_VISIBLE 82 DIR *__opendir2(const char *, int); 83 int fdclosedir(DIR *); 84 int getdents(int, char *, int); 85 int getdirentries(int, char *, int, long *); 86 #endif 87 DIR *opendir(const char *); 88 DIR *fdopendir(int); 89 struct dirent * 90 readdir(DIR *); 91 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500 92 int readdir_r(DIR *, struct dirent *, struct dirent **); 93 #endif 94 void rewinddir(DIR *); 95 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 700 96 int scandir(const char *, struct dirent ***, 97 int (*)(const struct dirent *), int (*)(const struct dirent **, 98 const struct dirent **)); 99 #ifdef __BLOCKS__ 100 int scandir_b(const char *, struct dirent ***, 101 int (^)(const struct dirent *), 102 int (^)(const struct dirent **, const struct dirent **)); 103 #endif 104 #endif 105 #if __XSI_VISIBLE 106 void seekdir(DIR *, long); 107 long telldir(DIR *); 108 #endif 109 int closedir(DIR *); 110 __END_DECLS 111 112 #endif /* !_KERNEL */ 113 114 #endif /* !_DIRENT_H_ */ 115