/* $NetBSD: dirent.h,v 1.37.2.1 2022/12/28 18:00:15 martin Exp $ */ /*- * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)dirent.h 8.2 (Berkeley) 7/28/94 */ #ifndef _DIRENT_H_ #define _DIRENT_H_ #include #include /* * The kernel defines the format of directory entries returned by * the getdents(2) system call. */ #include #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) #define d_ino d_fileno /* backward compatibility */ #endif typedef struct _dirdesc DIR; #if defined(_NETBSD_SOURCE) /* definitions for library routines operating on directories. */ #define DIRBLKSIZ 1024 /* structure describing an open directory. */ struct _dirdesc { /* * dd_fd should be kept intact to preserve ABI compat. see dirfd(). */ int dd_fd; /* file descriptor associated with directory */ /* * the rest is hidden from user. */ long dd_loc; /* offset in current buffer */ long dd_size; /* amount of data returned by getdents */ char *dd_buf; /* data buffer */ int dd_len; /* size of data buffer */ off_t dd_seek; /* magic cookie returned by getdents */ void *dd_internal; /* state for seekdir/telldir */ int dd_flags; /* flags for readdir */ void *dd_lock; /* lock for concurrent access */ }; #define dirfd(dirp) ((dirp)->dd_fd) /* flags for __opendir2() */ #define DTF_HIDEW 0x0001 /* hide whiteout entries */ #define DTF_NODUP 0x0002 /* don't return duplicate names */ #define DTF_REWIND 0x0004 /* rewind after reading union stack */ #define __DTF_READALL 0x0008 /* everything has been read */ #define __DTF_RETRY_ON_BADCOOKIE 0x0001 /* retry on EINVAL (only valid with __DTF_READALL) */ #include #endif #ifndef _KERNEL #include __BEGIN_DECLS int closedir(DIR *); void rewinddir(DIR *); #ifndef __LIBC12_SOURCE__ DIR *opendir(const char *) __RENAME(__opendir30); struct dirent *readdir(DIR *) __RENAME(__readdir30); int readdir_r(DIR * __restrict, struct dirent * __restrict, struct dirent ** __restrict) __RENAME(__readdir_r30); #endif #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) void seekdir(DIR *, long); long telldir(DIR *); #endif /* defined(_NETBSD_SOURCE) || defined(_XOPEN_SOURCE) */ #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0) >= 700 || \ defined(_NETBSD_SOURCE) #ifndef __LIBC12_SOURCE__ DIR *fdopendir(int); int scandir(const char *, struct dirent ***, int (*)(const struct dirent *), int (*)(const struct dirent **, const struct dirent **)) __RENAME(__scandir30); int alphasort(const struct dirent **, const struct dirent **) __RENAME(__alphasort30); #endif #endif #if defined(_NETBSD_SOURCE) #ifndef __LIBC12_SOURCE__ DIR *__opendir2(const char *, int) __RENAME(__opendir230); int getdents(int, char *, size_t) __RENAME(__getdents30); #endif #endif /* defined(_NETBSD_SOURCE) */ __END_DECLS #endif /* !_KERNEL */ #endif /* !_DIRENT_H_ */